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GH-131798: Optimize away isinstance calls in the JIT (GH-134369)

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This commit is contained in:
Tomas R.
2025-05-22 12:52:47 -04:00
committed by GitHub
parent fade146cfb
commit 484e00379b
9 changed files with 312 additions and 61 deletions
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42
Python/bytecodes.c
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@@ -5287,18 +5287,54 @@ dummy_func(
value = PyStackRef_FromPyObjectBorrow(ptr);
}
tier2 pure op (_POP_TOP_LOAD_CONST_INLINE_BORROW, (ptr/4, pop -- value)) {
tier2 op(_POP_CALL, (callable, null --)) {
(void)null; // Silence compiler warnings about unused variables
DEAD(null);
PyStackRef_CLOSE(callable);
}
tier2 op(_POP_CALL_ONE, (callable, null, pop --)) {
PyStackRef_CLOSE(pop);
(void)null; // Silence compiler warnings about unused variables
DEAD(null);
PyStackRef_CLOSE(callable);
}
tier2 op(_POP_CALL_TWO, (callable, null, pop1, pop2 --)) {
PyStackRef_CLOSE(pop2);
PyStackRef_CLOSE(pop1);
(void)null; // Silence compiler warnings about unused variables
DEAD(null);
PyStackRef_CLOSE(callable);
}
tier2 op(_POP_TOP_LOAD_CONST_INLINE_BORROW, (ptr/4, pop -- value)) {
PyStackRef_CLOSE(pop);
value = PyStackRef_FromPyObjectBorrow(ptr);
}
tier2 pure op(_POP_TWO_LOAD_CONST_INLINE_BORROW, (ptr/4, pop1, pop2 -- value)) {
tier2 op(_POP_TWO_LOAD_CONST_INLINE_BORROW, (ptr/4, pop1, pop2 -- value)) {
PyStackRef_CLOSE(pop2);
PyStackRef_CLOSE(pop1);
value = PyStackRef_FromPyObjectBorrow(ptr);
}
tier2 pure op(_POP_CALL_TWO_LOAD_CONST_INLINE_BORROW, (ptr/4, callable, null, pop1, pop2 -- value)) {
tier2 op(_POP_CALL_LOAD_CONST_INLINE_BORROW, (ptr/4, callable, null -- value)) {
(void)null; // Silence compiler warnings about unused variables
DEAD(null);
PyStackRef_CLOSE(callable);
value = PyStackRef_FromPyObjectBorrow(ptr);
}
tier2 op(_POP_CALL_ONE_LOAD_CONST_INLINE_BORROW, (ptr/4, callable, null, pop -- value)) {
PyStackRef_CLOSE(pop);
(void)null; // Silence compiler warnings about unused variables
DEAD(null);
PyStackRef_CLOSE(callable);
value = PyStackRef_FromPyObjectBorrow(ptr);
}
tier2 op(_POP_CALL_TWO_LOAD_CONST_INLINE_BORROW, (ptr/4, callable, null, pop1, pop2 -- value)) {
PyStackRef_CLOSE(pop2);
PyStackRef_CLOSE(pop1);
(void)null; // Silence compiler warnings about unused variables