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-rw-r--r--Python/optimizer_bytecodes.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c
index e1209209660..fbf4dfd3db6 100644
--- a/Python/optimizer_bytecodes.c
+++ b/Python/optimizer_bytecodes.c
@@ -840,6 +840,17 @@ dummy_func(void) {
value = sym_new_unknown(ctx);
}
+ op(_GET_ITER, (iterable -- iter, index_or_null)) {
+ if (sym_matches_type(iterable, &PyTuple_Type) || sym_matches_type(iterable, &PyList_Type)) {
+ iter = iterable;
+ index_or_null = sym_new_not_null(ctx);
+ }
+ else {
+ iter = sym_new_not_null(ctx);
+ index_or_null = sym_new_unknown(ctx);
+ }
+ }
+
op(_FOR_ITER_GEN_FRAME, (unused, unused -- unused, unused, gen_frame: _Py_UOpsAbstractFrame*)) {
gen_frame = NULL;
/* We are about to hit the end of the trace */
@@ -926,8 +937,11 @@ dummy_func(void) {
}
op(_CALL_TYPE_1, (unused, unused, arg -- res)) {
- if (sym_has_type(arg)) {
- res = sym_new_const(ctx, (PyObject *)sym_get_type(arg));
+ PyObject* type = (PyObject *)sym_get_type(arg);
+ if (type) {
+ res = sym_new_const(ctx, type);
+ REPLACE_OP(this_instr, _POP_CALL_ONE_LOAD_CONST_INLINE_BORROW, 0,
+ (uintptr_t)type);
}
else {
res = sym_new_not_null(ctx);
@@ -1223,6 +1237,20 @@ dummy_func(void) {
sym_set_const(callable, list_append);
}
+ op(_BINARY_SLICE, (container, start, stop -- res)) {
+ // Slicing a string/list/tuple always returns the same type.
+ PyTypeObject *type = sym_get_type(container);
+ if (type == &PyUnicode_Type ||
+ type == &PyList_Type ||
+ type == &PyTuple_Type)
+ {
+ res = sym_new_type(ctx, type);
+ }
+ else {
+ res = sym_new_not_null(ctx);
+ }
+ }
+
// END BYTECODES //
}