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Commit 029717bf authored by Alastair Robertson's avatar Alastair Robertson
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Split out codegen tests into separate files

parent c4a5de20
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Showing with 5168 additions and 4411 deletions
tests/CMakeLists.txt
View file @ 029717bf
......@@ -6,13 +6,90 @@ add_executable(bpftrace_test
ast.cpp
bpftrace.cpp
clang_parser.cpp
codegen.cpp
main.cpp
parser.cpp
probe.cpp
semantic_analyser.cpp
tracepoint_format_parser.cpp
utils.cpp
codegen/general.cpp
codegen/bitshift_left.cpp
codegen/bitshift_right.cpp
codegen/builtin_arg.cpp
codegen/builtin_comm.cpp
codegen/builtin_cpu.cpp
codegen/builtin_ctx.cpp
codegen/builtin_curtask.cpp
codegen/builtin_func.cpp
codegen/builtin_func_wild.cpp
codegen/builtin_nsecs.cpp
codegen/builtin_pid_tid.cpp
codegen/builtin_probe.cpp
codegen/builtin_probe_wild.cpp
codegen/builtin_rand.cpp
codegen/builtin_retval.cpp
codegen/builtin_stack.cpp
codegen/builtin_uid_gid.cpp
codegen/builtin_username.cpp
codegen/builtin_ustack.cpp
codegen/call_avg.cpp
codegen/call_cgroup.cpp
codegen/call_clear.cpp
codegen/call_count.cpp
codegen/call_delete.cpp
codegen/call_exit.cpp
codegen/call_hist.cpp
codegen/call_lhist.cpp
codegen/call_max.cpp
codegen/call_min.cpp
codegen/call_print.cpp
codegen/call_printf.cpp
codegen/call_reg.cpp
codegen/call_stats.cpp
codegen/call_str.cpp
codegen/call_sum.cpp
codegen/call_system.cpp
codegen/call_time.cpp
codegen/call_usym_key.cpp
codegen/call_zero.cpp
codegen/dereference.cpp
codegen/empty_function.cpp
codegen/if_else_printf.cpp
codegen/if_else_variable.cpp
codegen/if_nested_printf.cpp
codegen/if_printf.cpp
codegen/if_variable.cpp
codegen/int_propagation.cpp
codegen/logical_and.cpp
codegen/logical_or.cpp
codegen/map_assign_int.cpp
codegen/map_assign_string.cpp
codegen/map_key_int.cpp
codegen/map_key_string.cpp
codegen/multiple_identical_probes.cpp
codegen/pred_binop.cpp
codegen/string_equal_comparison.cpp
codegen/string_not_equal_comparison.cpp
codegen/string_propagation.cpp
codegen/struct_char.cpp
codegen/struct_integer_ptr.cpp
codegen/struct_integers.cpp
codegen/struct_long.cpp
codegen/struct_nested_struct_anon.cpp
codegen/struct_nested_struct_named.cpp
codegen/struct_nested_struct_ptr_named.cpp
codegen/struct_save.cpp
codegen/struct_save_nested.cpp
codegen/struct_save_string.cpp
codegen/struct_short.cpp
codegen/struct_string_array.cpp
codegen/struct_string_ptr.cpp
codegen/ternary_int.cpp
codegen/ternary_str.cpp
codegen/unroll.cpp
codegen/variable.cpp
${CMAKE_SOURCE_DIR}/src/attached_probe.cpp
${CMAKE_SOURCE_DIR}/src/bpftrace.cpp
${CMAKE_SOURCE_DIR}/src/clang_parser.cpp
......
tests/codegen.cpp deleted 100644 → 0
View file @ c4a5de20
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tests/codegen/bitshift_left.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, bitshift_left)
{
test("kprobe:f { @x = 1 << 10; }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1024, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/bitshift_right.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, bitshift_right)
{
test("kprobe:f { @x = 1024 >> 9; }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 2, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_arg.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_arg)
{
test("kprobe:f { @x = arg0; @y = arg2 }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@y_val" = alloca i64, align 8
%"@y_key" = alloca i64, align 8
%arg2 = alloca i64, align 8
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%arg0 = alloca i64, align 8
%1 = bitcast i64* %arg0 to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = getelementptr i8, i8* %0, i64 112
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %arg0, i64 8, i8* %2)
%3 = load i64, i64* %arg0, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%4 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 0, i64* %"@x_key", align 8
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %3, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
%6 = bitcast i64* %arg2 to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
%7 = getelementptr i8, i8* %0, i64 96
%probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %arg2, i64 8, i8* %7)
%8 = load i64, i64* %arg2, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
%9 = bitcast i64* %"@y_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %9)
store i64 0, i64* %"@y_key", align 8
%10 = bitcast i64* %"@y_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %10)
store i64 %8, i64* %"@y_val", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem3 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo2, i64* nonnull %"@y_key", i64* nonnull %"@y_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %9)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %10)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_comm.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_comm)
{
test("kprobe:f { @x = comm }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_key" = alloca i64, align 8
%comm = alloca [16 x i8], align 1
%1 = getelementptr inbounds [16 x i8], [16 x i8]* %comm, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.memset.p0i8.i64(i8* nonnull %1, i8 0, i64 16, i32 1, i1 false)
%get_comm = call i64 inttoptr (i64 16 to i64 (i8*, i64)*)([16 x i8]* nonnull %comm, i64 16)
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", [16 x i8]* nonnull %comm, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_cpu.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_cpu)
{
test("kprobe:f { @x = cpu }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 %get_cpu_id, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_ctx.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_ctx)
{
test("kprobe:f { @x = ctx }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = zext i8* %0 to i64
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %2, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_curtask.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_curtask)
{
test("kprobe:f { @x = curtask }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_cur_task = tail call i64 inttoptr (i64 35 to i64 ()*)()
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 %get_cur_task, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_func.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_func)
{
test("kprobe:f { @x = func }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%func = alloca i64, align 8
%1 = bitcast i64* %func to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = getelementptr i8, i8* %0, i64 128
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %func, i64 8, i8* %2)
%3 = load i64, i64* %func, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%4 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 0, i64* %"@x_key", align 8
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %3, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_func_wild.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_func_wild)
{
test("tracepoint:syscalls:sys_enter_nanoslee* { @x = func }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"tracepoint:syscalls:sys_enter_nanoslee*"(i8*) local_unnamed_addr section "s_tracepoint:syscalls:sys_enter_nanoslee*_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%func = alloca i64, align 8
%1 = bitcast i64* %func to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = getelementptr i8, i8* %0, i64 128
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %func, i64 8, i8* %2)
%3 = load i64, i64* %func, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%4 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 0, i64* %"@x_key", align 8
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %3, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_nsecs.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_nsecs)
{
test("kprobe:f { @x = nsecs }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_ns = tail call i64 inttoptr (i64 5 to i64 ()*)()
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 %get_ns, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_pid_tid.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_pid_tid)
{
test("kprobe:f { @x = pid; @y = tid }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@y_val" = alloca i64, align 8
%"@y_key" = alloca i64, align 8
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = lshr i64 %get_pid_tgid, 32
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%get_pid_tgid1 = call i64 inttoptr (i64 14 to i64 ()*)()
%4 = and i64 %get_pid_tgid1, 4294967295
%5 = bitcast i64* %"@y_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@y_key", align 8
%6 = bitcast i64* %"@y_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 %4, i64* %"@y_val", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem3 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo2, i64* nonnull %"@y_key", i64* nonnull %"@y_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_probe.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_probe)
{
test("tracepoint:syscalls:sys_enter_nanosleep { @x = probe }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"tracepoint:syscalls:sys_enter_nanosleep"(i8* nocapture readnone) local_unnamed_addr section "s_tracepoint:syscalls:sys_enter_nanosleep_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_probe_wild.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_probe_wild)
{
test("tracepoint:syscalls:sys_enter_nanoslee* { @x = probe }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"tracepoint:syscalls:sys_enter_nanosleep"(i8* nocapture readnone) local_unnamed_addr section "s_tracepoint:syscalls:sys_enter_nanosleep_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_rand.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_rand)
{
test("kprobe:f { @x = rand }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_random = tail call i64 inttoptr (i64 7 to i64 ()*)()
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 %get_random, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_retval.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_retval)
{
test("kprobe:f { @x = retval }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%retval = alloca i64, align 8
%1 = bitcast i64* %retval to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = getelementptr i8, i8* %0, i64 80
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %retval, i64 8, i8* %2)
%3 = load i64, i64* %retval, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%4 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 0, i64* %"@x_key", align 8
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %3, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_stack.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_stack)
{
test("kprobe:f { @x = stack }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%get_stackid = tail call i64 inttoptr (i64 27 to i64 (i8*, i8*, i64)*)(i8* %0, i64 %pseudo, i64 0)
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 %get_stackid, i64* %"@x_val", align 8
%pseudo1 = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_uid_gid.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_uid_gid)
{
test("kprobe:f { @x = uid; @y = gid }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@y_val" = alloca i64, align 8
%"@y_key" = alloca i64, align 8
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_uid_gid = tail call i64 inttoptr (i64 15 to i64 ()*)()
%1 = and i64 %get_uid_gid, 4294967295
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%get_uid_gid1 = call i64 inttoptr (i64 15 to i64 ()*)()
%4 = lshr i64 %get_uid_gid1, 32
%5 = bitcast i64* %"@y_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@y_key", align 8
%6 = bitcast i64* %"@y_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 %4, i64* %"@y_val", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem3 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo2, i64* nonnull %"@y_key", i64* nonnull %"@y_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_username.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_username)
{
test("kprobe:f { @x = username; @y = gid}",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@y_val" = alloca i64, align 8
%"@y_key" = alloca i64, align 8
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_uid_gid = tail call i64 inttoptr (i64 15 to i64 ()*)()
%1 = and i64 %get_uid_gid, 4294967295
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%get_uid_gid1 = call i64 inttoptr (i64 15 to i64 ()*)()
%4 = lshr i64 %get_uid_gid1, 32
%5 = bitcast i64* %"@y_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@y_key", align 8
%6 = bitcast i64* %"@y_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 %4, i64* %"@y_val", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem3 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo2, i64* nonnull %"@y_key", i64* nonnull %"@y_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/builtin_ustack.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, builtin_ustack)
{
test("kprobe:f { @x = ustack }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%get_stackid = tail call i64 inttoptr (i64 27 to i64 (i8*, i8*, i64)*)(i8* %0, i64 %pseudo, i64 256)
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = shl i64 %get_pid_tgid, 32
%2 = or i64 %1, %get_stackid
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %2, i64* %"@x_val", align 8
%pseudo1 = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_avg.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_avg)
{
test("kprobe:f { @x = avg(pid) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key2" = alloca i64, align 8
%"@x_num" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%2 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %2, 1
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %entry ]
%3 = bitcast i64* %"@x_num" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %lookup_elem_val.0, i64* %"@x_num", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_num", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%4 = bitcast i64* %"@x_key2" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 1, i64* %"@x_key2", align 8
%pseudo3 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem4 = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo3, i64* nonnull %"@x_key2")
%map_lookup_cond9 = icmp eq i8* %lookup_elem4, null
br i1 %map_lookup_cond9, label %lookup_merge7, label %lookup_success5
lookup_success5: ; preds = %lookup_merge
%5 = load i64, i8* %lookup_elem4, align 8
br label %lookup_merge7
lookup_merge7: ; preds = %lookup_merge, %lookup_success5
%lookup_elem_val8.0 = phi i64 [ %5, %lookup_success5 ], [ 0, %lookup_merge ]
%6 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
%get_pid_tgid = call i64 inttoptr (i64 14 to i64 ()*)()
%7 = lshr i64 %get_pid_tgid, 32
%8 = add i64 %7, %lookup_elem_val8.0
store i64 %8, i64* %"@x_val", align 8
%pseudo10 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem11 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo10, i64* nonnull %"@x_key2", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_cgroup.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_cgroup)
{
test("tracepoint:syscalls:sys_enter_openat /cgroup == 0x100000001/ { @x = cgroup }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"tracepoint:syscalls:sys_enter_openat"(i8* nocapture readnone) local_unnamed_addr section "s_tracepoint:syscalls:sys_enter_openat_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_cgroup_id = tail call i64 inttoptr (i64 80 to i64 ()*)()
%1 = icmp eq i64 %get_cgroup_id, 4294967297
br i1 %1, label %pred_true, label %pred_false
pred_false: ; preds = %entry
ret i64 0
pred_true: ; preds = %entry
%get_cgroup_id1 = tail call i64 inttoptr (i64 80 to i64 ()*)()
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %get_cgroup_id1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_clear.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_clear)
{
test("BEGIN { @x = 1; } kprobe:f { clear(@x); }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @BEGIN(i8* nocapture readnone) local_unnamed_addr section "s_BEGIN_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%perfdata = alloca [11 x i8], align 8
%1 = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 20002, [11 x i8]* %perfdata, align 8
%str.sroa.0.0..sroa_idx = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 8
store i8 64, i8* %str.sroa.0.0..sroa_idx, align 8
%str.sroa.4.0..sroa_idx = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 9
store i8 120, i8* %str.sroa.4.0..sroa_idx, align 1
%str.sroa.5.0..sroa_idx = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 10
store i8 0, i8* %str.sroa.5.0..sroa_idx, align 2
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, [11 x i8]* nonnull %perfdata, i64 11)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_count.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_count)
{
test("kprobe:f { @x = count() }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%2 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %2, 1
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %entry ]
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %lookup_elem_val.0, i64* %"@x_val", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_delete.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_delete)
{
test("kprobe:f { @x = 1; delete(@x) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_key1" = alloca i64, align 8
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
%3 = bitcast i64* %"@x_key1" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key1", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%delete_elem = call i64 inttoptr (i64 3 to i64 (i8*, i8*)*)(i64 %pseudo2, i64* nonnull %"@x_key1")
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_exit.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_exit)
{
test("kprobe:f { exit() }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%perfdata = alloca [8 x i8], align 8
%1 = getelementptr inbounds [8 x i8], [8 x i8]* %perfdata, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 20000, [8 x i8]* %perfdata, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, [8 x i8]* nonnull %perfdata, i64 8)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_hist.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_hist)
{
test("kprobe:f { @x = hist(pid) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = lshr i64 %get_pid_tgid, 32
%2 = icmp ugt i64 %get_pid_tgid, 281474976710655
%3 = zext i1 %2 to i64
%4 = shl nuw nsw i64 %3, 4
%5 = lshr i64 %1, %4
%6 = icmp sgt i64 %5, 255
%7 = zext i1 %6 to i64
%8 = shl nuw nsw i64 %7, 3
%9 = lshr i64 %5, %8
%10 = or i64 %8, %4
%11 = icmp sgt i64 %9, 15
%12 = zext i1 %11 to i64
%13 = shl nuw nsw i64 %12, 2
%14 = lshr i64 %9, %13
%15 = or i64 %10, %13
%16 = icmp sgt i64 %14, 3
%17 = zext i1 %16 to i64
%18 = shl nuw nsw i64 %17, 1
%19 = lshr i64 %14, %18
%20 = or i64 %15, %18
%21 = icmp sgt i64 %19, 1
%22 = zext i1 %21 to i64
%23 = or i64 %20, %22
%24 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %24)
store i64 %23, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%25 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %25, 1
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %entry ]
%26 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %26)
store i64 %lookup_elem_val.0, i64* %"@x_val", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %24)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %26)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_lhist.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_lhist)
{
test("kprobe:f { @x = lhist(pid, 0, 100, 1) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%get_pid_tgid1 = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = lshr i64 %get_pid_tgid1, 32
%2 = icmp ugt i64 %get_pid_tgid1, 433791696895
%3 = add nuw nsw i64 %1, 1
%linear3 = select i1 %2, i64 101, i64 %3
%4 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %linear3, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%5 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %5, 1
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %entry ]
%6 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 %lookup_elem_val.0, i64* %"@x_val", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo2, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_max.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_max)
{
test("kprobe:f { @x = max(pid) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%2 = load i64, i8* %lookup_elem, align 8
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %2, %lookup_success ], [ 0, %entry ]
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%get_pid_tgid = call i64 inttoptr (i64 14 to i64 ()*)()
%4 = lshr i64 %get_pid_tgid, 32
%5 = icmp slt i64 %4, %lookup_elem_val.0
br i1 %5, label %min.lt, label %min.ge
min.lt: ; preds = %lookup_merge, %min.ge
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
min.ge: ; preds = %lookup_merge
store i64 %4, i64* %"@x_val", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
br label %min.lt
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_min.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_min)
{
test("kprobe:f { @x = min(pid) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%2 = load i64, i8* %lookup_elem, align 8
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %2, %lookup_success ], [ 0, %entry ]
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%get_pid_tgid = call i64 inttoptr (i64 14 to i64 ()*)()
%4 = lshr i64 %get_pid_tgid, 32
%5 = xor i64 %4, 4294967295
%6 = icmp slt i64 %5, %lookup_elem_val.0
br i1 %6, label %min.lt, label %min.ge
min.lt: ; preds = %lookup_merge, %min.ge
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
min.ge: ; preds = %lookup_merge
store i64 %5, i64* %"@x_val", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
br label %min.lt
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_print.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_print)
{
test("BEGIN { @x = 1; } kprobe:f { print(@x); }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @BEGIN(i8* nocapture readnone) local_unnamed_addr section "s_BEGIN_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%perfdata = alloca [27 x i8], align 8
%1 = getelementptr inbounds [27 x i8], [27 x i8]* %perfdata, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 20001, [27 x i8]* %perfdata, align 8
%2 = getelementptr inbounds [27 x i8], [27 x i8]* %perfdata, i64 0, i64 8
%str.sroa.0.0..sroa_idx = getelementptr inbounds [27 x i8], [27 x i8]* %perfdata, i64 0, i64 24
call void @llvm.memset.p0i8.i64(i8* nonnull %2, i8 0, i64 16, i32 8, i1 false)
store i8 64, i8* %str.sroa.0.0..sroa_idx, align 8
%str.sroa.4.0..sroa_idx = getelementptr inbounds [27 x i8], [27 x i8]* %perfdata, i64 0, i64 25
store i8 120, i8* %str.sroa.4.0..sroa_idx, align 1
%str.sroa.5.0..sroa_idx = getelementptr inbounds [27 x i8], [27 x i8]* %perfdata, i64 0, i64 26
store i8 0, i8* %str.sroa.5.0..sroa_idx, align 2
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, [27 x i8]* nonnull %perfdata, i64 27)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_printf.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_printf)
{
test("struct Foo { char c; long l; } kprobe:f { $foo = (Foo*)0; printf(\"%c %lu\\n\", $foo->c, $foo->l) }",
R"EXPECTED(%printf_t = type { i64, i64, i64 }
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%Foo.l = alloca i64, align 8
%Foo.c = alloca i8, align 1
%printf_args = alloca %printf_t, align 8
%1 = bitcast %printf_t* %printf_args to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = bitcast %printf_t* %printf_args to i8*
call void @llvm.memset.p0i8.i64(i8* nonnull %2, i8 0, i64 16, i32 8, i1 false)
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %Foo.c)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %Foo.c, i64 1, i64 0)
%3 = load i8, i8* %Foo.c, align 1
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %Foo.c)
%4 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 1
store i8 %3, i64* %4, align 8
%5 = bitcast i64* %Foo.l to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
%probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.l, i64 8, i64 8)
%6 = load i64, i64* %Foo.l, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
%7 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 2
store i64 %6, i64* %7, align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, %printf_t* nonnull %printf_args, i64 24)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_reg.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_reg) // Identical to builtin_func apart from variable names
{
test("kprobe:f { @x = reg(\"ip\") }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%reg_ip = alloca i64, align 8
%1 = bitcast i64* %reg_ip to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = getelementptr i8, i8* %0, i64 128
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %reg_ip, i64 8, i8* %2)
%3 = load i64, i64* %reg_ip, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%4 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 0, i64* %"@x_key", align 8
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %3, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_stats.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_stats)
{
test("kprobe:f { @x = stats(pid) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key2" = alloca i64, align 8
%"@x_num" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%2 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %2, 1
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %entry ]
%3 = bitcast i64* %"@x_num" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %lookup_elem_val.0, i64* %"@x_num", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_num", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%4 = bitcast i64* %"@x_key2" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 1, i64* %"@x_key2", align 8
%pseudo3 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem4 = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo3, i64* nonnull %"@x_key2")
%map_lookup_cond9 = icmp eq i8* %lookup_elem4, null
br i1 %map_lookup_cond9, label %lookup_merge7, label %lookup_success5
lookup_success5: ; preds = %lookup_merge
%5 = load i64, i8* %lookup_elem4, align 8
br label %lookup_merge7
lookup_merge7: ; preds = %lookup_merge, %lookup_success5
%lookup_elem_val8.0 = phi i64 [ %5, %lookup_success5 ], [ 0, %lookup_merge ]
%6 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
%get_pid_tgid = call i64 inttoptr (i64 14 to i64 ()*)()
%7 = lshr i64 %get_pid_tgid, 32
%8 = add i64 %7, %lookup_elem_val8.0
store i64 %8, i64* %"@x_val", align 8
%pseudo10 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem11 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo10, i64* nonnull %"@x_key2", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_str.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_str)
{
test("kprobe:f { @x = str(arg0) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_key" = alloca i64, align 8
%arg0 = alloca i64, align 8
%str = alloca [64 x i8], align 1
%1 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.memset.p0i8.i64(i8* nonnull %1, i8 0, i64 64, i32 1, i1 false)
%2 = bitcast i64* %arg0 to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%3 = getelementptr i8, i8* %0, i64 112
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %arg0, i64 8, i8* %3)
%4 = load i64, i64* %arg0, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
%probe_read_str = call i64 inttoptr (i64 45 to i64 (i8*, i64, i8*)*)([64 x i8]* nonnull %str, i64 64, i64 %4)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", [64 x i8]* nonnull %str, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_sum.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_sum)
{
test("kprobe:f { @x = sum(pid) }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, i64* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%2 = load i64, i8* %lookup_elem, align 8
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %2, %lookup_success ], [ 0, %entry ]
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%get_pid_tgid = call i64 inttoptr (i64 14 to i64 ()*)()
%4 = lshr i64 %get_pid_tgid, 32
%5 = add i64 %4, %lookup_elem_val.0
store i64 %5, i64* %"@x_val", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_system.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_system)
{
test(" kprobe:f { system(\"echo %d\", 100) }",
R"EXPECTED(%system_t = type { i64, i64 }
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%system_args = alloca %system_t, align 8
%1 = bitcast %system_t* %system_args to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 10000, %system_t* %system_args, align 8
%2 = getelementptr inbounds %system_t, %system_t* %system_args, i64 0, i32 1
store i64 100, i64* %2, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, %system_t* nonnull %system_args, i64 16)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_time.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_time)
{
test("kprobe:f { time(); }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%perfdata = alloca [16 x i8], align 8
%1 = getelementptr inbounds [16 x i8], [16 x i8]* %perfdata, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 20004, [16 x i8]* %perfdata, align 8
%2 = getelementptr inbounds [16 x i8], [16 x i8]* %perfdata, i64 0, i64 8
store i64 0, i8* %2, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, [16 x i8]* nonnull %perfdata, i64 16)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_usym_key.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_usym_key)
{
test("kprobe:f { @x[usym(0)] = count() }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca [16 x i8], align 8
%1 = getelementptr inbounds [16 x i8], [16 x i8]* %"@x_key", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%2 = lshr i64 %get_pid_tgid, 32
%usym.sroa.0.0..sroa_cast = bitcast [16 x i8]* %"@x_key" to i64*
store i64 0, i64* %usym.sroa.0.0..sroa_cast, align 8
%usym.sroa.4.0..sroa_idx = getelementptr inbounds [16 x i8], [16 x i8]* %"@x_key", i64 0, i64 8
%usym.sroa.4.0..sroa_cast = bitcast i8* %usym.sroa.4.0..sroa_idx to i64*
store i64 %2, i64* %usym.sroa.4.0..sroa_cast, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, [16 x i8]* nonnull %"@x_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%3 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %3, 1
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %entry ]
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %lookup_elem_val.0, i64* %"@x_val", align 8
%pseudo1 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo1, [16 x i8]* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/call_zero.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, call_zero)
{
test("BEGIN { @x = 1; } kprobe:f { zero(@x); }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @BEGIN(i8* nocapture readnone) local_unnamed_addr section "s_BEGIN_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%perfdata = alloca [11 x i8], align 8
%1 = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 20003, [11 x i8]* %perfdata, align 8
%str.sroa.0.0..sroa_idx = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 8
store i8 64, i8* %str.sroa.0.0..sroa_idx, align 8
%str.sroa.4.0..sroa_idx = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 9
store i8 120, i8* %str.sroa.4.0..sroa_idx, align 1
%str.sroa.5.0..sroa_idx = getelementptr inbounds [11 x i8], [11 x i8]* %perfdata, i64 0, i64 10
store i8 0, i8* %str.sroa.5.0..sroa_idx, align 2
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, [11 x i8]* nonnull %perfdata, i64 11)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/common.h 0 → 100644
View file @ 029717bf
#pragma once
#include "gtest/gtest.h"
#include "bpforc.h"
#include "bpftrace.h"
#include "clang_parser.h"
#include "codegen_llvm.h"
#include "driver.h"
#include "fake_map.h"
#include "semantic_analyser.h"
namespace bpftrace {
namespace test {
namespace codegen {
const std::string header = R"HEAD(; ModuleID = 'bpftrace'
source_filename = "bpftrace"
target datalayout = "e-m:e-p:64:64-i64:64-n32:64-S128"
target triple = "bpf-pc-linux"
)HEAD";
static void test(const std::string &input, const std::string expected_output)
{
BPFtrace bpftrace;
Driver driver;
FakeMap::next_mapfd_ = 1;
ASSERT_EQ(driver.parse_str(input), 0);
ClangParser clang;
clang.parse(driver.root_, bpftrace.structs_);
ast::SemanticAnalyser semantics(driver.root_, bpftrace);
ASSERT_EQ(semantics.analyse(), 0);
ASSERT_EQ(semantics.create_maps(true), 0);
std::stringstream out;
ast::CodegenLLVM codegen(driver.root_, bpftrace);
codegen.compile(DebugLevel::kDebug, out);
std::string full_expected_output = header + expected_output;
EXPECT_EQ(full_expected_output, out.str());
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/dereference.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, dereference)
{
test("kprobe:f { @x = *1234 }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%deref = alloca i64, align 8
%1 = bitcast i64* %deref to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %deref, i64 8, i64 1234)
%2 = load i64, i64* %deref, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %2, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/empty_function.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, empty_function)
{
test("kprobe:f { 1; }",
R"EXPECTED(; Function Attrs: norecurse nounwind readnone
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr #0 section "s_kprobe:f_1" {
entry:
ret i64 0
}
attributes #0 = { norecurse nounwind readnone }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/general.cpp 0 → 100644
View file @ 029717bf
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "bpforc.h"
#include "bpftrace.h"
#include "clang_parser.h"
#include "codegen_llvm.h"
#include "driver.h"
#include "semantic_analyser.h"
namespace bpftrace {
namespace test {
namespace codegen {
using ::testing::_;
class MockBPFtrace : public BPFtrace {
public:
MOCK_METHOD1(add_probe, int(ast::Probe &p));
};
TEST(codegen, populate_sections)
{
BPFtrace bpftrace;
Driver driver;
ASSERT_EQ(driver.parse_str("kprobe:foo { 1 } kprobe:bar { 1 }"), 0);
ast::SemanticAnalyser semantics(driver.root_, bpftrace);
ASSERT_EQ(semantics.analyse(), 0);
std::stringstream out;
ast::CodegenLLVM codegen(driver.root_, bpftrace);
auto bpforc = codegen.compile();
// Check sections are populated
EXPECT_EQ(bpforc->sections_.size(), 2);
EXPECT_EQ(bpforc->sections_.count("s_kprobe:foo_1"), 1);
EXPECT_EQ(bpforc->sections_.count("s_kprobe:bar_1"), 1);
}
TEST(codegen, printf_offsets)
{
BPFtrace bpftrace;
Driver driver;
// TODO (mmarchini): also test printf with a string argument
ASSERT_EQ(driver.parse_str("struct Foo { char c; int i; } kprobe:f { $foo = (Foo*)0; printf(\"%c %u\\n\", $foo->c, $foo->i) }"), 0);
ClangParser clang;
clang.parse(driver.root_, bpftrace.structs_);
ast::SemanticAnalyser semantics(driver.root_, bpftrace);
ASSERT_EQ(semantics.analyse(), 0);
ASSERT_EQ(semantics.create_maps(true), 0);
std::stringstream out;
ast::CodegenLLVM codegen(driver.root_, bpftrace);
auto bpforc = codegen.compile();
EXPECT_EQ(bpftrace.printf_args_.size(), 1);
auto &fmt = std::get<0>(bpftrace.printf_args_[0]);
auto &args = std::get<1>(bpftrace.printf_args_[0]);
EXPECT_EQ(fmt, "%c %u\n");
EXPECT_EQ(args.size(), 2);
// NOTE (mmarchini) type.size is the original arg size, and it might be
// different from the actual size we use to store in memory
EXPECT_EQ(args[0].type.type, Type::integer);
EXPECT_EQ(args[0].type.size, 8);
EXPECT_EQ(args[0].offset, 8);
EXPECT_EQ(args[1].type.type, Type::integer);
EXPECT_EQ(args[1].type.size, 8);
EXPECT_EQ(args[1].offset, 16);
}
TEST(codegen, probe_count)
{
MockBPFtrace bpftrace;
EXPECT_CALL(bpftrace, add_probe(_)).Times(2);
Driver driver;
ASSERT_EQ(driver.parse_str("kprobe:f { 1; } kprobe:d { 1; }"), 0);
ast::SemanticAnalyser semantics(driver.root_, bpftrace);
ASSERT_EQ(semantics.analyse(), 0);
ast::CodegenLLVM codegen(driver.root_, bpftrace);
codegen.compile();
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/if_else_printf.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, if_else_printf)
{
test("kprobe:f { if (pid > 10) { printf(\"hi\\n\"); } else {printf(\"hello\\n\")} }",
R"EXPECTED(%printf_t.0 = type { i64 }
%printf_t = type { i64 }
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%printf_args1 = alloca %printf_t.0, align 8
%printf_args = alloca %printf_t, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = icmp ugt i64 %get_pid_tgid, 47244640255
br i1 %1, label %if_stmt, label %else_stmt
if_stmt: ; preds = %entry
%2 = bitcast %printf_t* %printf_args to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, %printf_t* %printf_args, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, %printf_t* nonnull %printf_args, i64 8)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
br label %done
else_stmt: ; preds = %entry
%3 = bitcast %printf_t.0* %printf_args1 to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 1, %printf_t.0* %printf_args1, align 8
%pseudo2 = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id3 = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output4 = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo2, i64 %get_cpu_id3, %printf_t.0* nonnull %printf_args1, i64 8)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
br label %done
done: ; preds = %else_stmt, %if_stmt
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/if_else_variable.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, if_else_variable)
{
test("kprobe:f { if (pid > 10000) { $s = 10 } else { $s = 20 }; printf(\"s = %d\", $s) }",
R"EXPECTED(%printf_t = type { i64, i64 }
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%printf_args = alloca %printf_t, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = icmp ugt i64 %get_pid_tgid, 42953967927295
%. = select i1 %1, i64 10, i64 20
%2 = bitcast %printf_t* %printf_args to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%3 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 1
%4 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 0
store i64 0, i64* %4, align 8
store i64 %., i64* %3, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, %printf_t* nonnull %printf_args, i64 16)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/if_nested_printf.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, if_nested_printf)
{
test("kprobe:f { if (pid > 10000) { if (pid % 2 == 0) { printf(\"hi\\n\");} } }",
R"EXPECTED(%printf_t = type { i64 }
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%printf_args = alloca %printf_t, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = icmp ugt i64 %get_pid_tgid, 42953967927295
br i1 %1, label %if_stmt, label %else_stmt
if_stmt: ; preds = %entry
%get_pid_tgid3 = tail call i64 inttoptr (i64 14 to i64 ()*)()
%.lobit = and i64 %get_pid_tgid3, 4294967296
%true_cond4 = icmp eq i64 %.lobit, 0
br i1 %true_cond4, label %if_stmt1, label %else_stmt
else_stmt: ; preds = %if_stmt, %if_stmt1, %entry
ret i64 0
if_stmt1: ; preds = %if_stmt
%2 = bitcast %printf_t* %printf_args to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, %printf_t* %printf_args, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, %printf_t* nonnull %printf_args, i64 8)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
br label %else_stmt
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/if_printf.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, if_printf)
{
test("kprobe:f { if (pid > 10000) { printf(\"%d is high\\n\", pid); } }",
R"EXPECTED(%printf_t = type { i64, i64 }
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%printf_args = alloca %printf_t, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = icmp ugt i64 %get_pid_tgid, 42953967927295
br i1 %1, label %if_stmt, label %else_stmt
if_stmt: ; preds = %entry
%2 = bitcast %printf_t* %printf_args to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%3 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 0
store i64 0, i64* %3, align 8
%get_pid_tgid1 = tail call i64 inttoptr (i64 14 to i64 ()*)()
%4 = lshr i64 %get_pid_tgid1, 32
%5 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 1
store i64 %4, i64* %5, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, %printf_t* nonnull %printf_args, i64 16)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
br label %else_stmt
else_stmt: ; preds = %if_stmt, %entry
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/if_variable.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, if_variable)
{
test("kprobe:f { if (pid > 10000) { $s = 10 }; printf(\"s = %d\", $s); }",
R"EXPECTED(%printf_t = type { i64, i64 }
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8*) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%printf_args = alloca %printf_t, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = icmp ugt i64 %get_pid_tgid, 42953967927295
%spec.select = select i1 %1, i64 10, i64 0
%2 = bitcast %printf_t* %printf_args to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%3 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 1
%4 = getelementptr inbounds %printf_t, %printf_t* %printf_args, i64 0, i32 0
store i64 0, i64* %4, align 8
store i64 %spec.select, i64* %3, align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%get_cpu_id = tail call i64 inttoptr (i64 8 to i64 ()*)()
%perf_event_output = call i64 inttoptr (i64 25 to i64 (i8*, i8*, i64, i8*, i64)*)(i8* %0, i64 %pseudo, i64 %get_cpu_id, %printf_t* nonnull %printf_args, i64 16)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/int_propagation.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, int_propagation)
{
test("kprobe:f { @x = 1234; @y = @x }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@y_val" = alloca i64, align 8
%"@y_key" = alloca i64, align 8
%"@x_key1" = alloca i64, align 8
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1234, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
%3 = bitcast i64* %"@x_key1" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key1", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo2, i64* nonnull %"@x_key1")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%4 = load i64, i8* %lookup_elem, align 8
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.0 = phi i64 [ %4, %lookup_success ], [ 0, %entry ]
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@y_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@y_key", align 8
%6 = bitcast i64* %"@y_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 %lookup_elem_val.0, i64* %"@y_val", align 8
%pseudo3 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem4 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo3, i64* nonnull %"@y_key", i64* nonnull %"@y_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/logical_and.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, logical_and)
{
test("kprobe:f { @x = pid != 1234 && pid != 1235 }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%.mask = and i64 %get_pid_tgid, -4294967296
%1 = icmp eq i64 %.mask, 5299989643264
br i1 %1, label %"&&_false", label %"&&_lhs_true"
"&&_lhs_true": ; preds = %entry
%get_pid_tgid1 = tail call i64 inttoptr (i64 14 to i64 ()*)()
%.mask2 = and i64 %get_pid_tgid1, -4294967296
%2 = icmp eq i64 %.mask2, 5304284610560
br i1 %2, label %"&&_false", label %"&&_merge"
"&&_false": ; preds = %"&&_lhs_true", %entry
br label %"&&_merge"
"&&_merge": ; preds = %"&&_lhs_true", %"&&_false"
%"&&_result.0" = phi i64 [ 0, %"&&_false" ], [ 1, %"&&_lhs_true" ]
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %"&&_result.0", i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/logical_or.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, logical_or)
{
test("kprobe:f { @x = pid == 1234 || pid == 1235 }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%.mask = and i64 %get_pid_tgid, -4294967296
%1 = icmp eq i64 %.mask, 5299989643264
br i1 %1, label %"||_true", label %"||_lhs_false"
"||_lhs_false": ; preds = %entry
%get_pid_tgid1 = tail call i64 inttoptr (i64 14 to i64 ()*)()
%.mask2 = and i64 %get_pid_tgid1, -4294967296
%2 = icmp eq i64 %.mask2, 5304284610560
br i1 %2, label %"||_true", label %"||_merge"
"||_true": ; preds = %"||_lhs_false", %entry
br label %"||_merge"
"||_merge": ; preds = %"||_lhs_false", %"||_true"
%"||_result.0" = phi i64 [ 1, %"||_true" ], [ 0, %"||_lhs_false" ]
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %"||_result.0", i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/map_assign_int.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, map_assign_int)
{
test("kprobe:f { @x = 1; }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%1 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@x_key", align 8
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/map_assign_string.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, map_assign_string)
{
test("kprobe:f { @x = \"blah\"; }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_key" = alloca i64, align 8
%str = alloca [64 x i8], align 1
%1 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i8 98, i8* %1, align 1
%str.repack1 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 1
store i8 108, i8* %str.repack1, align 1
%str.repack2 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 2
store i8 97, i8* %str.repack2, align 1
%str.repack3 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 3
store i8 104, i8* %str.repack3, align 1
%str.repack4 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 4
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.memset.p0i8.i64(i8* %str.repack4, i8 0, i64 60, i32 1, i1 false)
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", [64 x i8]* nonnull %str, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/map_key_int.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, map_key_int)
{
test("kprobe:f { @x[11,22,33] = 44 }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca [24 x i8], align 8
%1 = getelementptr inbounds [24 x i8], [24 x i8]* %"@x_key", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 11, i8* %1, align 8
%2 = getelementptr inbounds [24 x i8], [24 x i8]* %"@x_key", i64 0, i64 8
store i64 22, i8* %2, align 8
%3 = getelementptr inbounds [24 x i8], [24 x i8]* %"@x_key", i64 0, i64 16
store i64 33, i8* %3, align 8
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 44, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, [24 x i8]* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/map_key_string.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, map_key_string)
{
test("kprobe:f { @x[\"a\", \"b\"] = 44 }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca [128 x i8], align 1
%1 = getelementptr inbounds [128 x i8], [128 x i8]* %"@x_key", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i8 97, i8* %1, align 1
%str.sroa.3.0..sroa_idx = getelementptr inbounds [128 x i8], [128 x i8]* %"@x_key", i64 0, i64 1
%str1.sroa.0.0..sroa_idx = getelementptr inbounds [128 x i8], [128 x i8]* %"@x_key", i64 0, i64 64
call void @llvm.memset.p0i8.i64(i8* %str.sroa.3.0..sroa_idx, i8 0, i64 63, i32 1, i1 false)
store i8 98, i8* %str1.sroa.0.0..sroa_idx, align 1
%str1.sroa.3.0..sroa_idx = getelementptr inbounds [128 x i8], [128 x i8]* %"@x_key", i64 0, i64 65
%2 = bitcast i64* %"@x_val" to i8*
call void @llvm.memset.p0i8.i64(i8* %str1.sroa.3.0..sroa_idx, i8 0, i64 63, i32 1, i1 false)
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 44, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, [128 x i8]* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/multiple_identical_probes.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, multiple_identical_probes)
{
test("kprobe:f { 1; } kprobe:f { 1; }",
R"EXPECTED(; Function Attrs: norecurse nounwind readnone
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr #0 section "s_kprobe:f_1" {
entry:
ret i64 0
}
; Function Attrs: norecurse nounwind readnone
define i64 @"kprobe:f.1"(i8* nocapture readnone) local_unnamed_addr #0 section "s_kprobe:f_2" {
entry:
ret i64 0
}
attributes #0 = { norecurse nounwind readnone }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/pred_binop.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, pred_binop)
{
test("kprobe:f / pid == 1234 / { @x = 1 }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%.mask = and i64 %get_pid_tgid, -4294967296
%1 = icmp eq i64 %.mask, 5299989643264
br i1 %1, label %pred_true, label %pred_false
pred_false: ; preds = %entry
ret i64 0
pred_true: ; preds = %entry
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 1, i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/string_equal_comparison.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, string_equal_comparison)
{
test("kretprobe:vfs_read /comm == \"sshd\"/ { @[comm] = count(); }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kretprobe:vfs_read"(i8* nocapture readnone) local_unnamed_addr section "s_kretprobe:vfs_read_1" {
entry:
%"@_val" = alloca i64, align 8
%comm17 = alloca [16 x i8], align 1
%"@_key" = alloca [16 x i8], align 1
%strcmp.char14 = alloca i8, align 1
%strcmp.char10 = alloca i8, align 1
%strcmp.char6 = alloca i8, align 1
%strcmp.char2 = alloca i8, align 1
%strcmp.char = alloca i8, align 1
%comm = alloca [16 x i8], align 1
%1 = getelementptr inbounds [16 x i8], [16 x i8]* %comm, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.memset.p0i8.i64(i8* nonnull %1, i8 0, i64 16, i32 1, i1 false)
%get_comm = call i64 inttoptr (i64 16 to i64 (i8*, i64)*)([16 x i8]* nonnull %comm, i64 16)
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char, i64 8, [16 x i8]* nonnull %comm)
%2 = load i8, i8* %strcmp.char, align 1
%strcmp.cmp = icmp eq i8 %2, 115
br i1 %strcmp.cmp, label %strcmp.loop, label %pred_false.critedge
pred_false.critedge: ; preds = %entry
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_false
pred_false.critedge20: ; preds = %strcmp.loop
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_false
pred_false.critedge21: ; preds = %strcmp.loop1
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_false
pred_false.critedge22: ; preds = %strcmp.loop5
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_false
pred_false: ; preds = %strcmp.loop9, %pred_false.critedge22, %pred_false.critedge21, %pred_false.critedge20, %pred_false.critedge
ret i64 0
pred_true: ; preds = %strcmp.loop9
%3 = getelementptr inbounds [16 x i8], [16 x i8]* %"@_key", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%4 = getelementptr inbounds [16 x i8], [16 x i8]* %comm17, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.memset.p0i8.i64(i8* nonnull %4, i8 0, i64 16, i32 1, i1 false)
%get_comm18 = call i64 inttoptr (i64 16 to i64 (i8*, i64)*)([16 x i8]* nonnull %comm17, i64 16)
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %3, i8* nonnull %4, i64 16, i32 1, i1 false)
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, [16 x i8]* nonnull %"@_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
strcmp.loop: ; preds = %entry
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char2)
%5 = add [16 x i8]* %comm, i64 1
%probe_read3 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char2, i64 8, [16 x i8]* %5)
%6 = load i8, i8* %strcmp.char2, align 1
%strcmp.cmp4 = icmp eq i8 %6, 115
br i1 %strcmp.cmp4, label %strcmp.loop1, label %pred_false.critedge20
strcmp.loop1: ; preds = %strcmp.loop
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char6)
%7 = add [16 x i8]* %comm, i64 2
%probe_read7 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char6, i64 8, [16 x i8]* %7)
%8 = load i8, i8* %strcmp.char6, align 1
%strcmp.cmp8 = icmp eq i8 %8, 104
br i1 %strcmp.cmp8, label %strcmp.loop5, label %pred_false.critedge21
strcmp.loop5: ; preds = %strcmp.loop1
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char10)
%9 = add [16 x i8]* %comm, i64 3
%probe_read11 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char10, i64 8, [16 x i8]* %9)
%10 = load i8, i8* %strcmp.char10, align 1
%strcmp.cmp12 = icmp eq i8 %10, 100
br i1 %strcmp.cmp12, label %strcmp.loop9, label %pred_false.critedge22
strcmp.loop9: ; preds = %strcmp.loop5
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char14)
%11 = add [16 x i8]* %comm, i64 4
%probe_read15 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char14, i64 8, [16 x i8]* %11)
%12 = load i8, i8* %strcmp.char14, align 1
%strcmp.cmp16 = icmp eq i8 %12, 0
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br i1 %strcmp.cmp16, label %pred_true, label %pred_false
lookup_success: ; preds = %pred_true
%13 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %13, 1
br label %lookup_merge
lookup_merge: ; preds = %pred_true, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %pred_true ]
%14 = bitcast i64* %"@_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %14)
store i64 %lookup_elem_val.0, i64* %"@_val", align 8
%pseudo19 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo19, [16 x i8]* nonnull %"@_key", i64* nonnull %"@_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %14)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/string_not_equal_comparison.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, string_not_equal_comparison)
{
test("kretprobe:vfs_read /comm != \"sshd\"/ { @[comm] = count(); }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kretprobe:vfs_read"(i8* nocapture readnone) local_unnamed_addr section "s_kretprobe:vfs_read_1" {
entry:
%"@_val" = alloca i64, align 8
%comm17 = alloca [16 x i8], align 1
%"@_key" = alloca [16 x i8], align 1
%strcmp.char14 = alloca i8, align 1
%strcmp.char10 = alloca i8, align 1
%strcmp.char6 = alloca i8, align 1
%strcmp.char2 = alloca i8, align 1
%strcmp.char = alloca i8, align 1
%comm = alloca [16 x i8], align 1
%1 = getelementptr inbounds [16 x i8], [16 x i8]* %comm, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.memset.p0i8.i64(i8* nonnull %1, i8 0, i64 16, i32 1, i1 false)
%get_comm = call i64 inttoptr (i64 16 to i64 (i8*, i64)*)([16 x i8]* nonnull %comm, i64 16)
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char, i64 8, [16 x i8]* nonnull %comm)
%2 = load i8, i8* %strcmp.char, align 1
%strcmp.cmp = icmp eq i8 %2, 115
br i1 %strcmp.cmp, label %strcmp.loop, label %pred_true.critedge
pred_false: ; preds = %strcmp.loop9
ret i64 0
pred_true.critedge: ; preds = %entry
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_true
pred_true.critedge20: ; preds = %strcmp.loop
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_true
pred_true.critedge21: ; preds = %strcmp.loop1
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_true
pred_true.critedge22: ; preds = %strcmp.loop5
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br label %pred_true
pred_true: ; preds = %strcmp.loop9, %pred_true.critedge22, %pred_true.critedge21, %pred_true.critedge20, %pred_true.critedge
%3 = getelementptr inbounds [16 x i8], [16 x i8]* %"@_key", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%4 = getelementptr inbounds [16 x i8], [16 x i8]* %comm17, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.memset.p0i8.i64(i8* nonnull %4, i8 0, i64 16, i32 1, i1 false)
%get_comm18 = call i64 inttoptr (i64 16 to i64 (i8*, i64)*)([16 x i8]* nonnull %comm17, i64 16)
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %3, i8* nonnull %4, i64 16, i32 1, i1 false)
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo, [16 x i8]* nonnull %"@_key")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
strcmp.loop: ; preds = %entry
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char2)
%5 = add [16 x i8]* %comm, i64 1
%probe_read3 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char2, i64 8, [16 x i8]* %5)
%6 = load i8, i8* %strcmp.char2, align 1
%strcmp.cmp4 = icmp eq i8 %6, 115
br i1 %strcmp.cmp4, label %strcmp.loop1, label %pred_true.critedge20
strcmp.loop1: ; preds = %strcmp.loop
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char6)
%7 = add [16 x i8]* %comm, i64 2
%probe_read7 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char6, i64 8, [16 x i8]* %7)
%8 = load i8, i8* %strcmp.char6, align 1
%strcmp.cmp8 = icmp eq i8 %8, 104
br i1 %strcmp.cmp8, label %strcmp.loop5, label %pred_true.critedge21
strcmp.loop5: ; preds = %strcmp.loop1
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char10)
%9 = add [16 x i8]* %comm, i64 3
%probe_read11 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char10, i64 8, [16 x i8]* %9)
%10 = load i8, i8* %strcmp.char10, align 1
%strcmp.cmp12 = icmp eq i8 %10, 100
br i1 %strcmp.cmp12, label %strcmp.loop9, label %pred_true.critedge22
strcmp.loop9: ; preds = %strcmp.loop5
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %strcmp.char14)
%11 = add [16 x i8]* %comm, i64 4
%probe_read15 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %strcmp.char14, i64 8, [16 x i8]* %11)
%12 = load i8, i8* %strcmp.char14, align 1
%strcmp.cmp16 = icmp eq i8 %12, 0
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
br i1 %strcmp.cmp16, label %pred_false, label %pred_true
lookup_success: ; preds = %pred_true
%13 = load i64, i8* %lookup_elem, align 8
%phitmp = add i64 %13, 1
br label %lookup_merge
lookup_merge: ; preds = %pred_true, %lookup_success
%lookup_elem_val.0 = phi i64 [ %phitmp, %lookup_success ], [ 1, %pred_true ]
%14 = bitcast i64* %"@_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %14)
store i64 %lookup_elem_val.0, i64* %"@_val", align 8
%pseudo19 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo19, [16 x i8]* nonnull %"@_key", i64* nonnull %"@_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %14)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/string_propagation.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, string_propagation)
{
test("kprobe:f { @x = \"asdf\"; @y = @x }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@y_key" = alloca i64, align 8
%lookup_elem_val = alloca [64 x i8], align 1
%"@x_key1" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%str = alloca [64 x i8], align 1
%1 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i8 97, i8* %1, align 1
%str.repack5 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 1
store i8 115, i8* %str.repack5, align 1
%str.repack6 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 2
store i8 100, i8* %str.repack6, align 1
%str.repack7 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 3
store i8 102, i8* %str.repack7, align 1
%str.repack8 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 4
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.memset.p0i8.i64(i8* %str.repack8, i8 0, i64 60, i32 1, i1 false)
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", [64 x i8]* nonnull %str, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i64* %"@x_key1" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key1", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo2, i64* nonnull %"@x_key1")
%4 = getelementptr inbounds [64 x i8], [64 x i8]* %lookup_elem_val, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_failure, label %lookup_success
lookup_success: ; preds = %entry
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %4, i8* nonnull %lookup_elem, i64 64, i32 1, i1 false)
br label %lookup_merge
lookup_failure: ; preds = %entry
call void @llvm.memset.p0i8.i64(i8* nonnull %4, i8 0, i64 64, i32 1, i1 false)
br label %lookup_merge
lookup_merge: ; preds = %lookup_failure, %lookup_success
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@y_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@y_key", align 8
%pseudo3 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem4 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo3, i64* nonnull %"@y_key", [64 x i8]* nonnull %lookup_elem_val, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_char.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_char)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i8, align 1
%"$foo" = alloca [1 x i8], align 8
%1 = getelementptr inbounds [1 x i8], [1 x i8]* %"$foo", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [1 x i8]* %"$foo", align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i8, i8 addrspace(64)* null, align 536870912
store i8 %2, i8* %1, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %Foo.x)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %Foo.x, i64 1, [1 x i8]* nonnull %"$foo")
%3 = load i8, i8* %Foo.x, align 1
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %Foo.x)
%4 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 0, i64* %"@x_key", align 8
%5 = zext i8 %3 to i64
%6 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 %5, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { char x; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = $foo.x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %Foo.x)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i8* nonnull %Foo.x, i64 1, i64 0)
%1 = load i8, i8* %Foo.x, align 1
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %Foo.x)
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%3 = zext i8 %1 to i64
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %3, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { char x; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = $foo->x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_integer_ptr.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_integer_ptr)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%deref = alloca i32, align 4
%Foo.x = alloca i64, align 8
%"$foo" = alloca i64, align 8
%tmpcast = bitcast i64* %"$foo" to [8 x i8]*
%1 = bitcast i64* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [8 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i64, i64 addrspace(64)* null, align 536870912
store i64 %2, i64* %"$foo", align 8
%3 = bitcast i64* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.x, i64 8, [8 x i8]* nonnull %tmpcast)
%4 = load i64, i64* %Foo.x, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i32* %deref to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
%probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %deref, i64 4, i64 %4)
%6 = load i32, i32* %deref, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
%7 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 0, i64* %"@x_key", align 8
%8 = zext i32 %6 to i64
%9 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %9)
store i64 %8, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %9)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { int *x; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = *$foo.x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%deref = alloca i32, align 4
%Foo.x = alloca i64, align 8
%1 = bitcast i64* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.x, i64 8, i64 0)
%2 = load i64, i64* %Foo.x, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i32* %deref to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %deref, i64 4, i64 %2)
%4 = load i32, i32* %deref, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%6 = zext i32 %4 to i64
%7 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 %6, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { int *x; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = *$foo->x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_integers.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_integers)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i32, align 4
%"$foo" = alloca i32, align 8
%tmpcast = bitcast i32* %"$foo" to [4 x i8]*
%1 = bitcast i32* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [4 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i32, i32 addrspace(64)* null, align 536870912
store i32 %2, i32* %"$foo", align 8
%3 = bitcast i32* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %Foo.x, i64 4, [4 x i8]* nonnull %tmpcast)
%4 = load i32, i32* %Foo.x, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%6 = zext i32 %4 to i64
%7 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 %6, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { int x; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = $foo.x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i32, align 4
%1 = bitcast i32* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %Foo.x, i64 4, i64 0)
%2 = load i32, i32* %Foo.x, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = zext i32 %2 to i64
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %4, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { int x; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = $foo->x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_long.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_long)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i64, align 8
%"$foo" = alloca i64, align 8
%tmpcast = bitcast i64* %"$foo" to [8 x i8]*
%1 = bitcast i64* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [8 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i64, i64 addrspace(64)* null, align 536870912
store i64 %2, i64* %"$foo", align 8
%3 = bitcast i64* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.x, i64 8, [8 x i8]* nonnull %tmpcast)
%4 = load i64, i64* %Foo.x, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%6 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 %4, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { long x; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = $foo.x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i64, align 8
%1 = bitcast i64* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.x, i64 8, i64 0)
%2 = load i64, i64* %Foo.x, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %2, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { long x; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = $foo->x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_nested_struct_anon.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_nested_struct_anon)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%"Foo::(anonymous at definitions.h:1:14).x" = alloca i32, align 4
%"$foo" = alloca i32, align 8
%tmpcast = bitcast i32* %"$foo" to [4 x i8]*
%1 = bitcast i32* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [4 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i32, i32 addrspace(64)* null, align 536870912
store i32 %2, i32* %"$foo", align 8
%3 = bitcast i32* %"Foo::(anonymous at definitions.h:1:14).x" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %"Foo::(anonymous at definitions.h:1:14).x", i64 4, [4 x i8]* nonnull %tmpcast)
%4 = load i32, i32* %"Foo::(anonymous at definitions.h:1:14).x", align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%6 = zext i32 %4 to i64
%7 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 %6, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { struct { int x; } bar; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = $foo.bar.x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%"Foo::(anonymous at definitions.h:1:14).x" = alloca i32, align 4
%1 = bitcast i32* %"Foo::(anonymous at definitions.h:1:14).x" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %"Foo::(anonymous at definitions.h:1:14).x", i64 4, i64 0)
%2 = load i32, i32* %"Foo::(anonymous at definitions.h:1:14).x", align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = zext i32 %2 to i64
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %4, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { struct { int x; } bar; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = $foo->bar.x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_nested_struct_named.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_nested_struct_named)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Bar.x = alloca i32, align 4
%"$foo" = alloca i32, align 8
%tmpcast = bitcast i32* %"$foo" to [4 x i8]*
%1 = bitcast i32* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [4 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i32, i32 addrspace(64)* null, align 536870912
store i32 %2, i32* %"$foo", align 8
%3 = bitcast i32* %Bar.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %Bar.x, i64 4, [4 x i8]* nonnull %tmpcast)
%4 = load i32, i32* %Bar.x, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%6 = zext i32 %4 to i64
%7 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 %6, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Bar { int x; } struct Foo { struct Bar bar; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = $foo.bar.x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Bar.x = alloca i32, align 4
%1 = bitcast i32* %Bar.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %Bar.x, i64 4, i64 0)
%2 = load i32, i32* %Bar.x, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = zext i32 %2 to i64
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %4, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Bar { int x; } struct Foo { struct Bar bar; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = $foo->bar.x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_nested_struct_ptr_named.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_nested_struct_ptr_named)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Bar.x = alloca i32, align 4
%Foo.bar = alloca i64, align 8
%"$foo" = alloca i64, align 8
%tmpcast = bitcast i64* %"$foo" to [8 x i8]*
%1 = bitcast i64* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [8 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i64, i64 addrspace(64)* null, align 536870912
store i64 %2, i64* %"$foo", align 8
%3 = bitcast i64* %Foo.bar to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.bar, i64 8, [8 x i8]* nonnull %tmpcast)
%4 = load i64, i64* %Foo.bar, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i32* %Bar.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
%probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %Bar.x, i64 4, i64 %4)
%6 = load i32, i32* %Bar.x, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
%7 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 0, i64* %"@x_key", align 8
%8 = zext i32 %6 to i64
%9 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %9)
store i64 %8, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %9)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Bar { int x; } struct Foo { struct Bar *bar; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = $foo.bar->x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Bar.x = alloca i32, align 4
%Foo.bar = alloca i64, align 8
%1 = bitcast i64* %Foo.bar to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.bar, i64 8, i64 0)
%2 = load i64, i64* %Foo.bar, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i32* %Bar.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %Bar.x, i64 4, i64 %2)
%4 = load i32, i32* %Bar.x, align 4
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%6 = zext i32 %4 to i64
%7 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 %6, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Bar { int x; } struct Foo { struct Bar *bar; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = $foo->bar->x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_save.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_save)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@foo_val" = alloca [12 x i8], align 1
%"@foo_key" = alloca i64, align 8
%1 = bitcast i64* %"@foo_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@foo_key", align 8
%2 = getelementptr inbounds [12 x i8], [12 x i8]* %"@foo_val", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)([12 x i8]* nonnull %"@foo_val", i64 12, i64 0)
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@foo_key", [12 x i8]* nonnull %"@foo_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { int x, y, z; }"
"kprobe:f"
"{"
" @foo = (Foo)0;"
"}",
expected);
test("struct Foo { int x, y, z; }"
"kprobe:f"
"{"
" @foo = *(Foo*)0;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_save_nested.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_save_nested)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%"@foo_key5" = alloca i64, align 8
%"@bar_key" = alloca i64, align 8
%internal_Foo.bar = alloca i64, align 8
%tmpcast = bitcast i64* %internal_Foo.bar to [8 x i8]*
%"@foo_key1" = alloca i64, align 8
%"@foo_val" = alloca [16 x i8], align 1
%"@foo_key" = alloca i64, align 8
%1 = bitcast i64* %"@foo_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@foo_key", align 8
%2 = getelementptr inbounds [16 x i8], [16 x i8]* %"@foo_val", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)([16 x i8]* nonnull %"@foo_val", i64 16, i64 0)
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@foo_key", [16 x i8]* nonnull %"@foo_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
%3 = bitcast i64* %"@foo_key1" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@foo_key1", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo2, i64* nonnull %"@foo_key1")
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_merge, label %lookup_success
lookup_success: ; preds = %entry
%lookup_elem_val.sroa.3.0.lookup_elem.sroa_idx = getelementptr inbounds i8, i8* %lookup_elem, i64 4
%lookup_elem_val.sroa.3.0.lookup_elem.sroa_cast = bitcast i8* %lookup_elem_val.sroa.3.0.lookup_elem.sroa_idx to i64*
%lookup_elem_val.sroa.3.0.copyload = load i64, i64* %lookup_elem_val.sroa.3.0.lookup_elem.sroa_cast, align 1
br label %lookup_merge
lookup_merge: ; preds = %entry, %lookup_success
%lookup_elem_val.sroa.3.0 = phi i64 [ %lookup_elem_val.sroa.3.0.copyload, %lookup_success ], [ 0, %entry ]
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%4 = bitcast i64* %internal_Foo.bar to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 %lookup_elem_val.sroa.3.0, i64* %internal_Foo.bar, align 8
%5 = bitcast i64* %"@bar_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@bar_key", align 8
%pseudo3 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem4 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo3, i64* nonnull %"@bar_key", [8 x i8]* nonnull %tmpcast, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
%6 = bitcast i64* %"@foo_key5" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 0, i64* %"@foo_key5", align 8
%pseudo6 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%lookup_elem7 = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo6, i64* nonnull %"@foo_key5")
%map_lookup_cond12 = icmp eq i8* %lookup_elem7, null
br i1 %map_lookup_cond12, label %lookup_merge10, label %lookup_success8
lookup_success8: ; preds = %lookup_merge
%lookup_elem_val11.sroa.3.0.lookup_elem7.sroa_idx = getelementptr inbounds i8, i8* %lookup_elem7, i64 4
%lookup_elem_val11.sroa.3.0.lookup_elem7.sroa_cast = bitcast i8* %lookup_elem_val11.sroa.3.0.lookup_elem7.sroa_idx to i64*
%lookup_elem_val11.sroa.3.0.copyload = load i64, i64* %lookup_elem_val11.sroa.3.0.lookup_elem7.sroa_cast, align 1
%phitmp17 = and i64 %lookup_elem_val11.sroa.3.0.copyload, 4294967295
br label %lookup_merge10
lookup_merge10: ; preds = %lookup_merge, %lookup_success8
%lookup_elem_val11.sroa.3.0 = phi i64 [ %phitmp17, %lookup_success8 ], [ 0, %lookup_merge ]
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
%7 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 0, i64* %"@x_key", align 8
%8 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %8)
store i64 %lookup_elem_val11.sroa.3.0, i64* %"@x_val", align 8
%pseudo14 = call i64 @llvm.bpf.pseudo(i64 1, i64 3)
%update_elem15 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo14, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %8)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { int m; struct { int x; int y; } bar; int n; }"
"kprobe:f"
"{"
" @foo = (Foo)0;"
" @bar = @foo.bar;"
" @x = @foo.bar.x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_save_string.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_save_string)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@str_key" = alloca i64, align 8
%lookup_elem_val = alloca [32 x i8], align 1
%"@foo_key1" = alloca i64, align 8
%"@foo_val" = alloca [32 x i8], align 1
%"@foo_key" = alloca i64, align 8
%1 = bitcast i64* %"@foo_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, i64* %"@foo_key", align 8
%2 = getelementptr inbounds [32 x i8], [32 x i8]* %"@foo_val", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)([32 x i8]* nonnull %"@foo_val", i64 32, i64 0)
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@foo_key", [32 x i8]* nonnull %"@foo_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
%3 = bitcast i64* %"@foo_key1" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@foo_key1", align 8
%pseudo2 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo2, i64* nonnull %"@foo_key1")
%4 = getelementptr inbounds [32 x i8], [32 x i8]* %lookup_elem_val, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
%map_lookup_cond = icmp eq i8* %lookup_elem, null
br i1 %map_lookup_cond, label %lookup_failure, label %lookup_success
lookup_success: ; preds = %entry
call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %4, i8* nonnull %lookup_elem, i64 32, i32 1, i1 false)
br label %lookup_merge
lookup_failure: ; preds = %entry
call void @llvm.memset.p0i8.i64(i8* nonnull %4, i8 0, i64 32, i32 1, i1 false)
br label %lookup_merge
lookup_merge: ; preds = %lookup_failure, %lookup_success
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@str_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@str_key", align 8
%pseudo3 = call i64 @llvm.bpf.pseudo(i64 1, i64 2)
%update_elem4 = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo3, i64* nonnull %"@str_key", i8* nonnull %4, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { char str[32]; }"
"kprobe:f"
"{"
" @foo = (Foo)0;"
" @str = @foo.str;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_short.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_short)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i16, align 2
%"$foo" = alloca i16, align 8
%tmpcast = bitcast i16* %"$foo" to [2 x i8]*
%1 = bitcast i16* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [2 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i16, i16 addrspace(64)* null, align 536870912
store i16 %2, i16* %"$foo", align 8
%3 = bitcast i16* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i16* nonnull %Foo.x, i64 2, [2 x i8]* nonnull %tmpcast)
%4 = load i16, i16* %Foo.x, align 2
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
%5 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 0, i64* %"@x_key", align 8
%6 = zext i16 %4 to i64
%7 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
store i64 %6, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { short x; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @x = $foo.x;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%Foo.x = alloca i16, align 2
%1 = bitcast i16* %Foo.x to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i16* nonnull %Foo.x, i64 2, i64 0)
%2 = load i16, i16* %Foo.x, align 2
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
%3 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@x_key", align 8
%4 = zext i16 %2 to i64
%5 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %5)
store i64 %4, i64* %"@x_val", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %5)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { short x; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @x = $foo->x;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_string_array.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_string_array)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@mystr_key" = alloca i64, align 8
%Foo.str = alloca [32 x i8], align 1
%"$foo" = alloca [32 x i8], align 8
%1 = getelementptr inbounds [32 x i8], [32 x i8]* %"$foo", i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [32 x i8]* %"$foo", align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.memcpy.p0i8.p64i8.i64(i8* nonnull %1, i8 addrspace(64)* null, i64 32, i32 8, i1 false)
%2 = getelementptr inbounds [32 x i8], [32 x i8]* %Foo.str, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)([32 x i8]* nonnull %Foo.str, i64 32, [32 x i8]* nonnull %"$foo")
%3 = bitcast i64* %"@mystr_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 0, i64* %"@mystr_key", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@mystr_key", [32 x i8]* nonnull %Foo.str, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p64i8.i64(i8* nocapture writeonly, i8 addrspace(64)* nocapture readonly, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { char str[32]; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @mystr = $foo.str;"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@mystr_key" = alloca i64, align 8
%Foo.str = alloca [32 x i8], align 1
%1 = getelementptr inbounds [32 x i8], [32 x i8]* %Foo.str, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)([32 x i8]* nonnull %Foo.str, i64 32, i64 0)
%2 = bitcast i64* %"@mystr_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@mystr_key", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@mystr_key", [32 x i8]* nonnull %Foo.str, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { char str[32]; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @mystr = $foo->str;"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/struct_string_ptr.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, struct_string_ptr)
{
auto expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@mystr_key" = alloca i64, align 8
%Foo.str = alloca i64, align 8
%str = alloca [64 x i8], align 1
%"$foo" = alloca i64, align 8
%tmpcast = bitcast i64* %"$foo" to [8 x i8]*
%1 = bitcast i64* %"$foo" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
store i64 0, [8 x i8]* %tmpcast, align 8
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
%2 = load i64, i64 addrspace(64)* null, align 536870912
store i64 %2, i64* %"$foo", align 8
%3 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
call void @llvm.memset.p0i8.i64(i8* nonnull %3, i8 0, i64 64, i32 1, i1 false)
%4 = bitcast i64* %Foo.str to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.str, i64 8, [8 x i8]* nonnull %tmpcast)
%5 = load i64, i64* %Foo.str, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
%probe_read_str = call i64 inttoptr (i64 45 to i64 (i8*, i64, i8*)*)([64 x i8]* nonnull %str, i64 64, i64 %5)
%6 = bitcast i64* %"@mystr_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
store i64 0, i64* %"@mystr_key", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@mystr_key", [64 x i8]* nonnull %str, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { char *str; }"
"kprobe:f"
"{"
" $foo = (Foo)0;"
" @mystr = str($foo.str);"
"}",
expected);
expected = R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@mystr_key" = alloca i64, align 8
%Foo.str = alloca i64, align 8
%str = alloca [64 x i8], align 1
%1 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 0
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
call void @llvm.memset.p0i8.i64(i8* nonnull %1, i8 0, i64 64, i32 1, i1 false)
%2 = bitcast i64* %Foo.str to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
%probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %Foo.str, i64 8, i64 0)
%3 = load i64, i64* %Foo.str, align 8
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
%probe_read_str = call i64 inttoptr (i64 45 to i64 (i8*, i64, i8*)*)([64 x i8]* nonnull %str, i64 64, i64 %3)
%4 = bitcast i64* %"@mystr_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %4)
store i64 0, i64* %"@mystr_key", align 8
%pseudo = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@mystr_key", [64 x i8]* nonnull %str, i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %4)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED";
test("struct Foo { char *str; }"
"kprobe:f"
"{"
" $foo = (Foo*)0;"
" @mystr = str($foo->str);"
"}",
expected);
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/ternary_int.cpp 0 → 100644
View file @ 029717bf
#include "common.h"
namespace bpftrace {
namespace test {
namespace codegen {
TEST(codegen, ternary_int)
{
test("kprobe:f { @x = pid < 10000 ? 1 : 2; }",
R"EXPECTED(; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64, i64) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
define i64 @"kprobe:f"(i8* nocapture readnone) local_unnamed_addr section "s_kprobe:f_1" {
entry:
%"@x_val" = alloca i64, align 8
%"@x_key" = alloca i64, align 8
%get_pid_tgid = tail call i64 inttoptr (i64 14 to i64 ()*)()
%1 = icmp ult i64 %get_pid_tgid, 42949672960000
%. = select i1 %1, i64 1, i64 2
%2 = bitcast i64* %"@x_key" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %2)
store i64 0, i64* %"@x_key", align 8
%3 = bitcast i64* %"@x_val" to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %3)
store i64 %., i64* %"@x_val", align 8
%pseudo = tail call i64 @llvm.bpf.pseudo(i64 1, i64 1)
%update_elem = call i64 inttoptr (i64 2 to i64 (i8*, i8*, i8*, i64)*)(i64 %pseudo, i64* nonnull %"@x_key", i64* nonnull %"@x_val", i64 0)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %2)
call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
ret i64 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }
)EXPECTED");
}
} // namespace codegen
} // namespace test
} // namespace bpftrace
tests/codegen/ternary_str.cpp 0 → 100644
View file @ 029717bf
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tests/codegen/unroll.cpp 0 → 100644
View file @ 029717bf
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tests/codegen/variable.cpp 0 → 100644
View file @ 029717bf
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