Speedup for PyObject_IsTrue(): check for True and False first.

gvanrossum · gvanrossum · commit 6248f441ea3c · 2002-08-24T06:31:34.000Z
Because all built-in tests return bools now, this is the most common
path!
diff --git a/Objects/object.c b/Objects/object.c
@@ -1497,6 +1497,10 @@ int
 PyObject_IsTrue(PyObject *v)
 {
 	int res;
+	if (v == Py_True)
+		return 1;
+	if (v == Py_False)
+		return 0;
 	if (v == Py_None)
 		return 0;
 	else if (v->ob_type->tp_as_number != NULL &&
