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gh-105775: Convert LOAD_CLOSURE to a pseudo-op (#106059)

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This enables super-instruction formation,
removal of checks for uninitialized variables,
and frees up an instruction.
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hms 2023-06-29 10:34:00 -06:00 • committed by GitHub
parent 3c70d467c1
commit 8bff940ad6
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16 changed files with 733 additions and 702 deletions
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Python/flowgraph.c
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@ -2002,6 +2002,10 @@ _PyCfg_ConvertPseudoOps(basicblock *entryblock)
assert(SAME_OPCODE_METADATA(instr->i_opcode, NOP));
INSTR_SET_OP0(instr, NOP);
}
else if (instr->i_opcode == LOAD_CLOSURE) {
assert(SAME_OPCODE_METADATA(LOAD_CLOSURE, LOAD_FAST));
instr->i_opcode = LOAD_FAST;
}
else if (instr->i_opcode == STORE_FAST_MAYBE_NULL) {
assert(SAME_OPCODE_METADATA(STORE_FAST_MAYBE_NULL, STORE_FAST));
instr->i_opcode = STORE_FAST;