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bpo-32477: Move jumps optimization from the peepholer to the compiler. by serhiy-storchaka · Pull Request #5077 · python/cpython · GitHub

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bpo-32477: Move jumps optimization from the peepholer to the compiler. #5077

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bpo-32477: Move jumps optimization from the peepholer to the compiler. #5077

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a8025f0
bpo-32477: Move jumps optimization from the peepholer to the compiler.
serhiy-storchaka Jan 1, 2018
7f7c575
Always use a new block after jumps.
serhiy-storchaka Dec 2, 2018
8dc6bea
Merge branch 'master' into optimize-jumps
serhiy-storchaka Mar 7, 2019
745e924
Merge branch 'master' into optimize-jumps
serhiy-storchaka Jun 14, 2019
ca043f6
Add more tests.
serhiy-storchaka Jun 14, 2019
9d45981
Merge branch 'master' into optimize-jumps
serhiy-storchaka Mar 22, 2020
57d3f91
Fixes.
serhiy-storchaka Mar 22, 2020
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Add more tests.
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serhiy-storchaka committed Jun 14, 2019
commit ca043f604a936153ff901cc2739920f5a49c06c4
24 changes: 16 additions & 8 deletions Lib/test/test_peepholer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -294,24 +294,32 @@ def f(cond, true_value, false_value):

def test_elim_jump_to_uncond_jump(self):
# POP_JUMP_IF_FALSE to JUMP_FORWARD --> POP_JUMP_IF_FALSE to non-jump
# JUMP_FORWARD to JUMP_FORWARD --> JUMP_FORWARD to non-jump
def f():
if a:
# Intentionally use two-line expression to test issue37213.
if (c
or d):
foo()
if b:
# Intentionally use two-line expression to test issue37213.
if (c
or d):
foo()
else:
bar()
else:
baz()
self.check_jump_targets(f)

def test_elim_jump_to_uncond_jump2(self):
# POP_JUMP_IF_FALSE to JUMP_ABSOLUTE --> POP_JUMP_IF_FALSE to non-jump
# JUMP_FORWARD to JUMP_ABSOLUTE --> JUMP_FORWARD to non-jump
def f():
while a:
# Intentionally use two-line expression to test issue37213.
if (c
or d):
a = foo()
if b:
# Intentionally use two-line expression to test issue37213.
if (c
or d):
a = foo()
else:
a = bar()
self.check_jump_targets(f)

def test_elim_jump_to_uncond_jump3(self):
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