a more efficient test for __builtin_classify_type

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57149 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 14b7b51ebb..82ca82e0e4 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -188,7 +188,8 @@ bool CallExpr::isBuiltinClassifyType(llvm::APSInt &Result) const {
     return false;
 
   // We have a DeclRefExpr.
-  if (strcmp(DRE->getDecl()->getName(), "__builtin_classify_type") == 0) {
+  if (DRE->getDecl()->getIdentifier()->getBuiltinID() ==
+         Builtin::BI__builtin_classify_type) {
     // If no argument was supplied, default to "no_type_class". This isn't 
     // ideal, however it's what gcc does.
     Result = static_cast<uint64_t>(no_type_class);