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bpo-37289: Remove 'if False' handling in the peephole optimizer (GH-14099) (GH-14112)

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(cherry picked from commit 7a68f8c28b)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2019-06-15 08:22:08 -07:00 • committed by Pablo Galindo
parent 687af44df8
commit 284daeade2
1 changed files with 3 additions and 9 deletions
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12
Python/peephole.c
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@ -311,18 +311,12 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
} }
PyObject* cnt = PyList_GET_ITEM(consts, get_arg(codestr, i)); PyObject* cnt = PyList_GET_ITEM(consts, get_arg(codestr, i));
int is_true = PyObject_IsTrue(cnt); int is_true = PyObject_IsTrue(cnt);
if (is_true == -1) {
goto exitError;
}
if (is_true == 1) { if (is_true == 1) {
fill_nops(codestr, op_start, nexti + 1); fill_nops(codestr, op_start, nexti + 1);
cumlc = 0; cumlc = 0;
} else if (is_true == 0) {
if (i > 1 &&
(_Py_OPCODE(codestr[i - 1]) == POP_JUMP_IF_TRUE ||
_Py_OPCODE(codestr[i - 1]) == POP_JUMP_IF_FALSE)) {
break;
}
h = get_arg(codestr, nexti) / sizeof(_Py_CODEUNIT);
tgt = find_op(codestr, codelen, h);
fill_nops(codestr, op_start, tgt);
} }
break; break;