From c833deaa09f835bd2f4e8bbfcf6ecff1dbce8981 Mon Sep 17 00:00:00 2001
From: John McCall <rjmccall@apple.com>
Date: Fri, 17 Feb 2012 03:32:35 +0000
Subject: Block expressions always have a prototyped function type; expose this
 in the AST accessor and micro-optimize it very slightly.

llvm-svn: 150787
---
 clang/lib/AST/Expr.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'clang/lib/AST/Expr.cpp')

diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index 4b19031852c..d5eab77816c 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -1512,9 +1512,10 @@ SourceRange InitListExpr::getSourceRange() const {
 
 /// getFunctionType - Return the underlying function type for this block.
 ///
-const FunctionType *BlockExpr::getFunctionType() const {
-  return getType()->getAs<BlockPointerType>()->
-                    getPointeeType()->getAs<FunctionType>();
+const FunctionProtoType *BlockExpr::getFunctionType() const {
+  // The block pointer is never sugared, but the function type might be.
+  return cast<BlockPointerType>(getType())
+           ->getPointeeType()->castAs<FunctionProtoType>();
 }
 
 SourceLocation BlockExpr::getCaretLocation() const {
-- 
cgit v1.2.3