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gh-104635: Expand optimization for dead store elimination #106571

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gh-104635: Expand optimization for dead store elimination #106571

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f3b8d7e
gh-104635: Extend optimization for dead store elimination
corona10 Jul 9, 2023
20e17d2
nit
corona10 Jul 9, 2023
c624371
fix crash
corona10 Jul 9, 2023
d5ce21b
nit
corona10 Jul 9, 2023
bf580d0
Update test_dis.py
corona10 Jul 9, 2023
21e0378
Add test case
corona10 Jul 9, 2023
8c5d3fb
Improve coverage of optimizaiton
corona10 Jul 10, 2023
f419221
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corona10 Jul 10, 2023
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corona10 Jul 10, 2023
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fix crash
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@corona10
corona10 committed Jul 9, 2023
commit c62437184cbd207def49de09372b023314ed184f
1 change: 1 addition & 0 deletions Python/flowgraph.c
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Expand Up @@ -1327,6 +1327,7 @@ optimize_basic_block(PyObject *const_cache, basicblock *bb, PyObject *consts)
else if (inst->i_loc.lineno == last_store_fast_lino) {
if (last_i_oparg == inst->i_oparg) {
inst->i_opcode = POP_TOP;
inst->i_oparg = 0;
}
}
else {
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