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GH-128682: Convert explicit loops closing arrays into DECREF_INPUTS. (GH-128822)

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* Mark Py_DECREF and Py_XDECREF as escaping

* Remove explicit loops for clearing array inputs
This commit is contained in:
Mark Shannon 2025-01-14 15:08:56 +00:00 • committed by GitHub
parent bbd3300ae8
commit f49a1df6f3
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GPG key ID: B5690EEEBB952194
6 changed files with 305 additions and 265 deletions
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69
Python/optimizer_cases.c.h generated
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@ -279,16 +279,19 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
// TODO gh-115506:
// replace opcode with constant propagated one and add tests!
}
else {
res = sym_new_type(ctx, &PyLong_Type);
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
}
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
stack_pointer[-1] = res;
break;
}
@ -309,16 +312,19 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
// TODO gh-115506:
// replace opcode with constant propagated one and add tests!
}
else {
res = sym_new_type(ctx, &PyLong_Type);
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
}
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
stack_pointer[-1] = res;
break;
}
@ -339,16 +345,19 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
// TODO gh-115506:
// replace opcode with constant propagated one and add tests!
}
else {
res = sym_new_type(ctx, &PyLong_Type);
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
}
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
stack_pointer[-1] = res;
break;
}
@ -401,16 +410,19 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
// TODO gh-115506:
// replace opcode with constant propagated one and update tests!
}
else {
res = sym_new_type(ctx, &PyFloat_Type);
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
}
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
stack_pointer[-1] = res;
break;
}
@ -432,16 +444,19 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
// TODO gh-115506:
// replace opcode with constant propagated one and update tests!
}
else {
res = sym_new_type(ctx, &PyFloat_Type);
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
}
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
stack_pointer[-1] = res;
break;
}
@ -463,16 +478,19 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
// TODO gh-115506:
// replace opcode with constant propagated one and update tests!
}
else {
res = sym_new_type(ctx, &PyFloat_Type);
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
}
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
stack_pointer[-1] = res;
break;
}
@ -503,14 +521,17 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
}
else {
res = sym_new_type(ctx, &PyUnicode_Type);
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
}
stack_pointer[-2] = res;
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
stack_pointer[-1] = res;
break;
}
@ -527,15 +548,17 @@
goto error;
}
res = sym_new_const(ctx, temp);
stack_pointer += -2;
assert(WITHIN_STACK_BOUNDS());
Py_DECREF(temp);
}
else {
res = sym_new_type(ctx, &PyUnicode_Type);
stack_pointer += -2;
assert(WITHIN_STACK_BOUNDS());
}
// _STORE_FAST:
GETLOCAL(this_instr->operand0) = res;
stack_pointer += -2;
assert(WITHIN_STACK_BOUNDS());
break;
}