8000 gh-107901: compiler replaces POP_BLOCK instruction by NOPs before optimisations by iritkatriel · Pull Request #114530 · python/cpython · GitHub
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gh-107901: compiler replaces POP_BLOCK instruction by NOPs before optimisations #114530

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Merged
merged 9 commits into from
Jan 25, 2024
Merged

gh-107901: compiler replaces POP_BLOCK instruction by NOPs before optimisations #114530

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bfd13f1
gh-107901: replace POP_BLOCK instruction by NOPs earlier
iritkatriel Jan 24, 2024
63e5c9c
propagate only if false
iritkatriel Jan 24, 2024
1f38dc2
Merge branch 'main' into pop_block_cleanup
iritkatriel Jan 24, 2024
5accf19
Revert "propagate only if false"
iritkatriel Jan 25, 2024
0d8e0dd
Revert "gh-107901: replace POP_BLOCK instruction by NOPs earlier"
iritkatriel Jan 25, 2024
185b872
Merge remote-tracking branch 'upstream/main' into pop_block_cleanup
iritkatriel Jan 25, 2024
7004b26
gh-107901: compiler replaces POP_BLOCK instruction by NOPs before opt…
iritkatriel Jan 25, 2024
111fc78
convert in main loop
iritkatriel Jan 25, 2024
a5c4c8c
whitespace
iritkatriel Jan 25, 2024
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propagate only if false
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@iritkatriel
iritkatriel committed Jan 24, 2024
commit 63e5c9cdb85d773b58628d13f282b40e97eb2e5a
12 changes: 9 additions & 3 deletions Python/flowgraph.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1032,12 +1032,16 @@ basicblock_remove_redundant_nops(basicblock *bb) {
cfg_instr *next_instr = &bb->b_instr[src + 1];
int next_lineno = next_instr->i_loc.lineno;
if (next_lineno == lineno) {
next_instr->i_loc_propagated = src_instr->i_loc_propagated;
if (!src_instr->i_loc_propagated) {
next_instr->i_loc_propagated = 0;
}
continue;
}
if (next_lineno < 0) {
next_instr->i_loc = src_instr->i_loc;
next_instr->i_loc_propagated = src_instr->i_loc_propagated;
if (!src_instr->i_loc_propagated) {
next_instr->i_loc_propagated = 0;
}
continue;
}
}
Expand All @@ -1057,7 +1061,9 @@ basicblock_remove_redundant_nops(basicblock *bb) {
break;
}
if (next_instr && lineno == next_instr->i_loc.lineno) {
next_instr->i_loc_propagated = src_instr->i_loc_propagated;
if (!src_instr->i_loc_propagated) {
next_instr->i_loc_propagated = 0;
}
continue;
}
}
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