From 4758caa926889093d59201ffb8cdcc278a9c8482 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Thu, 8 May 2008 15:08:39 +0000
Subject: Check linkage.

llvm-svn: 50851
---
 llvm/lib/Transforms/IPO/StructRetPromotion.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/IPO/StructRetPromotion.cpp')

diff --git a/llvm/lib/Transforms/IPO/StructRetPromotion.cpp b/llvm/lib/Transforms/IPO/StructRetPromotion.cpp
index 80952b7c70c..77a35b42875 100644
--- a/llvm/lib/Transforms/IPO/StructRetPromotion.cpp
+++ b/llvm/lib/Transforms/IPO/StructRetPromotion.cpp
@@ -73,7 +73,7 @@ bool SRETPromotion::runOnSCC(const std::vector<CallGraphNode *> &SCC) {
 bool SRETPromotion::PromoteReturn(CallGraphNode *CGN) {
   Function *F = CGN->getFunction();
 
-  if (!F || F->isDeclaration())
+  if (!F || F->isDeclaration() || !F->hasInternalLinkage())
     return false;
 
   // Make sure that function returns struct.
-- 
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