Add a new uop

Author: tomasr8

Include/internal/pycore_uop_ids.h

@@ -5358,6 +5358,15 @@ dummy_func(
             value = PyStackRef_FromPyObjectBorrow(ptr);
         }
 
+        tier2 op(_SWAP_CALL_ONE_LOAD_CONST_INLINE_BORROW, (ptr/4, callable, null, arg -- value, a)) {
+            PyStackRef_CLOSE(arg);
+            (void)null; // Silence compiler warnings about unused variables
+            DEAD(null);
+            PyStackRef_CLOSE(callable);
+            value = PyStackRef_FromPyObjectBorrow(ptr);
+            a = arg;
+        }
+
         tier2 op(_LOAD_CONST_UNDER_INLINE, (ptr/4, old -- value, new)) {
             new = old;
             DEAD(old);

Include/internal/pycore_uop_metadata.h

@@ -561,6 +561,11 @@ dummy_func(void) {
         value = PyJitRef_Borrow(sym_new_const(ctx, ptr));
     }
 
+    op(_SWAP_CALL_ONE_LOAD_CONST_INLINE_BORROW, (ptr/4, unused, unused, arg -- value, a)) {
+        value = PyJitRef_Borrow(sym_new_const(ctx, ptr));
+        a = arg;
+    }
+
     op(_POP_TOP, (value -- )) {
         PyTypeObject *typ = sym_get_type(value);
         if (PyJitRef_IsBorrowed(value) ||
@@ -973,7 +978,7 @@ dummy_func(void) {
         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,
+            REPLACE_OP(this_instr, _SWAP_CALL_ONE_LOAD_CONST_INLINE_BORROW, 0,
                        (uintptr_t)type);
         }
         else {