python · Fidget-Spinner · Feb 29, 2024 · Feb 19, 2024 · Feb 20, 2024 · Feb 20, 2024
diff --git a/Include/internal/pycore_uop_ids.h b/Include/internal/pycore_uop_ids.h
diff --git a/Include/internal/pycore_uop_metadata.h b/Include/internal/pycore_uop_metadata.h
@@ -4042,6 +4042,10 @@ dummy_func(
         tier2 pure op(_LOAD_CONST_INLINE_BORROW, (ptr/4 -- value)) {
             value = ptr;
         }
+        tier2 pure op (_POP_TOP_LOAD_CONST_INLINE_BORROW, (ptr/4, pop -- value)) {
+            Py_DECREF(pop);
+            value = ptr;
+        }
 
         tier2 pure op(_LOAD_CONST_INLINE_WITH_NULL, (ptr/4 -- value, null)) {
             value = Py_NewRef(ptr);

diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h
@@ -170,7 +170,7 @@ dummy_func(void) {
             if (temp == NULL) {
                 goto error;
             }
-            res = sym_new_const(ctx, temp);
+            OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
             // TODO gh-115506:
             // replace opcode with constant propagated one and update tests!
         }
@@ -189,7 +189,7 @@ dummy_func(void) {
             if (temp == NULL) {
                 goto error;
             }
-            res = sym_new_const(ctx, temp);
+            OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
             // TODO gh-115506:
             // replace opcode with constant propagated one and update tests!
         }
@@ -208,7 +208,7 @@ dummy_func(void) {
             if (temp == NULL) {
                 goto error;
             }
-            res = sym_new_const(ctx, temp);
+            OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
             // TODO gh-115506:
             // replace opcode with constant propagated one and update tests!
         }
@@ -217,6 +217,59 @@ dummy_func(void) {
         }
     }
 
+    op(_TO_BOOL, (value -- res)) {
+        (void)value;
+        res = sym_new_type(ctx, &PyBool_Type);
+        OUT_OF_SPACE_IF_NULL(res);
+    }
+
+    op(_TO_BOOL_BOOL, (value -- value)) {
+        if (sym_matches_type(value, &PyBool_Type)) {
+            REPLACE_OP(this_instr, _NOP, 0, 0);
+        }
+        else {
+            sym_set_type(value, &PyBool_Type);
+        }
+    }
+
+    op(_TO_BOOL_INT, (value -- res)) {
+        if (sym_is_const(value) && sym_matches_type(value, &PyLong_Type)) {
+            PyObject *load = _PyLong_IsZero((PyLongObject *)sym_get_const(value))
+                             ? Py_False : Py_True;
+            REPLACE_OP(this_instr, _POP_TOP_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)load);
+            OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, load));
+        }
+        else {
+            OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyBool_Type));
+        }
+        sym_set_type(value, &PyLong_Type);
+    }
+
+    op(_TO_BOOL_LIST, (value -- res)) {
+        sym_set_type(value, &PyList_Type);
+        OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyBool_Type));
+    }
+
+    op(_TO_BOOL_NONE, (value -- res)) {
+        if (sym_get_const(value) == Py_None) {
+            REPLACE_OP(this_instr, _POP_TOP_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)Py_False);
+        }
+        sym_set_const(value, Py_None);
+        OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, Py_False));
+    }
+
+    op(_TO_BOOL_STR, (value -- res)) {
+        if (sym_is_const(value) && sym_matches_type(value, &PyUnicode_Type)) {
+            PyObject *load = sym_get_const(value) == &_Py_STR(empty) ? Py_False : Py_True;
+            REPLACE_OP(this_instr, _POP_TOP_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)load);
+            OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, load));
+        }
+        else {
+            OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyBool_Type));
+        }
+        sym_set_type(value, &PyUnicode_Type);
+    }
+
     op(_LOAD_CONST, (-- value)) {
         // There should be no LOAD_CONST. It should be all
         // replaced by peephole_opt.

diff --git a/Python/optimizer_cases.c.h b/Python/optimizer_cases.c.h