From 5f6112450fa643bd3c930b83d6ac1acfa7dda429 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Sat, 24 Jul 2010 22:58:04 +0000
Subject: [PATCH] PR7704: A function is not allowed to return a function; make
 sure to enforce this consistently.

llvm-svn: 109360
---
 llvm/lib/VMCore/Type.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/VMCore/Type.cpp b/llvm/lib/VMCore/Type.cpp
index b0897b4ca4ae..0c9b0eaf5643 100644
--- a/llvm/lib/VMCore/Type.cpp
+++ b/llvm/lib/VMCore/Type.cpp
@@ -455,8 +455,8 @@ const PointerType *Type::getInt64PtrTy(LLVMContext &C, unsigned AS) {
 /// isValidReturnType - Return true if the specified type is valid as a return
 /// type.
 bool FunctionType::isValidReturnType(const Type *RetTy) {
-  return RetTy->getTypeID() != LabelTyID &&
-         RetTy->getTypeID() != MetadataTyID;
+  return !RetTy->isFunctionTy() && !RetTy->isLabelTy() &&
+         !RetTy->isMetadataTy();
 }
 
 /// isValidArgumentType - Return true if the specified type is valid as an