8000 gh-126835: Move optimization of constant sequence creation from codegen to CFG by Eclips4 · Pull Request #129426 · python/cpython · GitHub
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gh-126835: Move optimization of constant sequence creation from codegen to CFG #129426

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Merged
merged 16 commits into from
Feb 1, 2025
Merged

gh-126835: Move optimization of constant sequence creation from codegen to CFG #129426

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1579128
Move optimization of constant sequence creation from codegen to CFG
Eclips4 Jan 29, 2025
009165b
Remove unused function
Eclips4 Jan 29, 2025
ea07a50
Fix heap-buffer-overflow
Eclips4 Jan 29, 2025
acd2f57
Add assertions
Eclips4 Jan 29, 2025
7befc01
Semicolons are my enemy
Eclips4 Jan 29, 2025
312fd30
Remove list arg
Eclips4 Jan 29, 2025
b509c02
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.githu…
Eclips4 Jan 29, 2025
8539ee2
Address Irit's review
Eclips4 Jan 29, 2025
7e99bd1
Apply suggestions from code review
Eclips4 Jan 30, 2025
43dc870
Semicolons are our common enemy, Irit
Eclips4 Jan 30, 2025
329d158
Fix ternary expression
Eclips4 Jan 30, 2025
ab0b101
Merge branch 'main' into move-codegen-optimization
Eclips4 Jan 30, 2025
670478d
Apply suggestions from code review
Eclips4 Jan 31, 2025
21a21d0
Address Yan's review
Eclips4 Jan 31, 2025
ea4413b
is_sequence_constant -> is_constant_sequence
Eclips4 Jan 31, 2025
22c8eb9
optimize_build_list_or_set_with_constants -> optimize_if_const_list_o…
Eclips4 Feb 1, 2025
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optimize_build_list_or_set_with_constants -> optimize_if_const_list_o… 
…r_set
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@Eclips4
Eclips4 committed Feb 1, 2025
commit 22c8eb9c4bca2e4a44f71e5991bddca0015e3e6d
4 changes: 2 additions & 2 deletions Python/flowgraph.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1399,7 +1399,7 @@ fold_tuple_on_constants(PyObject *const_cache,
or BUILD_SET & SET_UPDATE respectively.
*/
static int
optimize_build_list_or_set_with_constants(PyObject *const_cache, cfg_instr* inst, int n, PyObject *consts)
optimize_if_const_list_or_set(PyObject *const_cache, cfg_instr* inst, int n, PyObject *consts)
{
assert(PyDict_CheckExact(const_cache));
assert(PyList_CheckExact(consts));
Expand Down Expand Up @@ -1813,7 +1813,7 @@ optimize_basic_block(PyObject *const_cache, basicblock *bb, PyObject *consts)
case BUILD_LIST:
case BUILD_SET:
if (i >= oparg) {
if (optimize_build_list_or_set_with_constants(const_cache, inst-oparg, oparg, consts) < 0) {
if (optimize_if_const_list_or_set(const_cache, inst-oparg, oparg, consts) < 0) {
goto error;
}
}
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