str(2) expression LLVM7 test

Co-Authored-By: Birch-san <Birch-san@users.noreply.github.com>

tests/codegen/call_str_2_expr.cpp

@@ -60,7 +60,55 @@ attributes #0 = { nounwind }
 attributes #1 = { argmemonly nounwind }
 )EXPECTED");
 #else
-R"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*) 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
+  %arg1 = alloca i64, align 8
+  %1 = bitcast i64* %arg1 to i8*
+  call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %1)
+  %2 = getelementptr i8, i8* %0, i64 104
+  %probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %arg1, i64 8, i8* %2)
+  %3 = load i64, i64* %arg1, align 8
+  call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %1)
+  %4 = add i64 %3, 1
+  %5 = icmp ult i64 %4, 64
+  %str.min.select = select i1 %5, i64 %4, i64 64
+  %6 = getelementptr inbounds [64 x i8], [64 x i8]* %str, i64 0, i64 0
+  call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
+  call void @llvm.memset.p0i8.i64(i8* nonnull align 1 %6, i8 0, i64 64, i1 false)
+  %7 = bitcast i64* %arg0 to i8*
+  call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %7)
+  %8 = getelementptr i8, i8* %0, i64 112
+  %probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i64* nonnull %arg0, i64 8, i8* %8)
+  %9 = load i64, i64* %arg0, align 8
+  call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
+  %probe_read_str = call i64 inttoptr (i64 45 to i64 (i8*, i64, i8*)*)([64 x i8]* nonnull %str, i64 %str.min.select, i64 %9)
+  %10 = bitcast i64* %"@x_key" to i8*
+  call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %10)
+  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 %10)
+  call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %6)
+  ret i64 0
+}
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
+
+attributes #0 = { nounwind }
+attributes #1 = { argmemonly nounwind }
 )EXPECTED");
 #endif
 }