Commit 8d73ea74 authored by Stefan Behnel's avatar Stefan Behnel

safe a few cycles (~4%) when calling 'in' on dicts

parent 82d6bc7d
......@@ -4827,6 +4827,23 @@ class CmpNode(object):
if 'not' in op: negation = "!"
else: negation = ""
if op == 'in' or op == 'not_in':
if operand2.type is dict_type:
code.globalstate.use_utility_code(
raise_none_iter_error_utility_code)
code.putln("if (unlikely(%s == Py_None)) {" % operand2.py_result())
code.putln("__Pyx_RaiseNoneNotIterableError(); %s" %
code.error_goto(self.pos))
code.putln("} else {")
code.putln(
"%s = %s(%sPyDict_Contains(%s, %s)); %s" % (
result_code,
coerce_result,
negation,
operand2.py_result(),
operand1.py_result(),
code.error_goto_if_neg(result_code, self.pos)))
code.putln("}")
else:
code.putln(
"%s = %s(%sPySequence_Contains(%s, %s)); %s" % (
result_code,
......
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