Remove all 'if (0)' and 'if (1)' conditional stack effects

Author: markshannon

Python/bytecodes.c

@@ -2077,7 +2077,7 @@ dummy_func(
 
         macro(LOAD_SUPER_ATTR) = _SPECIALIZE_LOAD_SUPER_ATTR + _LOAD_SUPER_ATTR;
 
-        inst(LOAD_SUPER_ATTR_ATTR, (unused/1, global_super_st, class_st, self_st -- attr_st, unused if (0))) {
+        inst(LOAD_SUPER_ATTR_ATTR, (unused/1, global_super_st, class_st, self_st -- attr_st)) {
             PyObject *global_super = PyStackRef_AsPyObjectBorrow(global_super_st);
             PyObject *class = PyStackRef_AsPyObjectBorrow(class_st);
             PyObject *self = PyStackRef_AsPyObjectBorrow(self_st);
@@ -2412,7 +2412,7 @@ dummy_func(
             _SAVE_RETURN_OFFSET +
             _PUSH_FRAME;
 
-        inst(LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN, (unused/1, type_version/2, func_version/2, getattribute/4, owner -- unused, unused if (0))) {
+        inst(LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN, (unused/1, type_version/2, func_version/2, getattribute/4, owner -- unused)) {
             PyObject *owner_o = PyStackRef_AsPyObjectBorrow(owner);
 
             assert((oparg & 1) == 0);
@@ -3348,7 +3348,7 @@ dummy_func(
             DEOPT_IF(FT_ATOMIC_LOAD_UINT32_RELAXED(keys->dk_version) != keys_version);
         }
 
-        split op(_LOAD_ATTR_METHOD_WITH_VALUES, (descr/4, owner -- attr, self if (1))) {
+        split op(_LOAD_ATTR_METHOD_WITH_VALUES, (descr/4, owner -- attr, self)) {
             assert(oparg & 1);
             /* Cached method object */
             STAT_INC(LOAD_ATTR, hit);
@@ -3366,7 +3366,7 @@ dummy_func(
             _GUARD_KEYS_VERSION +
             _LOAD_ATTR_METHOD_WITH_VALUES;
 
-        op(_LOAD_ATTR_METHOD_NO_DICT, (descr/4, owner -- attr, self if (1))) {
+        op(_LOAD_ATTR_METHOD_NO_DICT, (descr/4, owner -- attr, self)) {
             assert(oparg & 1);
             assert(Py_TYPE(PyStackRef_AsPyObjectBorrow(owner))->tp_dictoffset == 0);
             STAT_INC(LOAD_ATTR, hit);
@@ -3383,7 +3383,7 @@ dummy_func(
             unused/2 +
             _LOAD_ATTR_METHOD_NO_DICT;
 
-        op(_LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES, (descr/4, owner -- attr, unused if (0))) {
+        op(_LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES, (descr/4, owner -- attr)) {
             assert((oparg & 1) == 0);
             STAT_INC(LOAD_ATTR, hit);
             assert(descr != NULL);
@@ -3398,7 +3398,7 @@ dummy_func(
             _GUARD_KEYS_VERSION +
             _LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES;
 
-        op(_LOAD_ATTR_NONDESCRIPTOR_NO_DICT, (descr/4, owner -- attr, unused if (0))) {
+        op(_LOAD_ATTR_NONDESCRIPTOR_NO_DICT, (descr/4, owner -- attr)) {
             assert((oparg & 1) == 0);
             assert(Py_TYPE(PyStackRef_AsPyObjectBorrow(owner))->tp_dictoffset == 0);
             STAT_INC(LOAD_ATTR, hit);
@@ -3420,7 +3420,7 @@ dummy_func(
             DEOPT_IF(dict != NULL);
         }
 
-        op(_LOAD_ATTR_METHOD_LAZY_DICT, (descr/4, owner -- attr, self if (1))) {
+        op(_LOAD_ATTR_METHOD_LAZY_DICT, (descr/4, owner -- attr, self)) {
             assert(oparg & 1);
             STAT_INC(LOAD_ATTR, hit);
             assert(descr != NULL);