From 3ed055f5739e78d47ccbd7481e9f7a9d7982dc7b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 17 Apr 2009 00:26:12 +0000
Subject: Fix some failures in targets on available_externally functions, this
 fixes a crash on CodeGen/Generic/externally_available.ll on ppc hosts. 
 Thanks to Nicholas L for pointing this out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69333 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/CBackend/CBackend.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/Target/CBackend')

diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index fc99f50..8b2473b 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -116,6 +116,11 @@ namespace {
     virtual bool doInitialization(Module &M);
 
     bool runOnFunction(Function &F) {
+     // Do not codegen any 'available_externally' functions at all, they have
+     // definitions outside the translation unit.
+     if (F.hasAvailableExternallyLinkage())
+       return false;
+
       LI = &getAnalysis<LoopInfo>();
 
       // Get rid of intrinsics we can't handle.
-- 
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