From 1fbe2c9964d57b2a58235541175f069ae491a95e Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 12 Dec 2006 23:15:28 +0000
Subject: [PATCH] Do not runOnFunction on external functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32510 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/PassManager.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 06f7af86bba..f8bfe59dd94 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -761,6 +761,9 @@ BasicBlockPassManager_New::addPass(Pass *P) {
 bool
 BasicBlockPassManager_New::runOnFunction(Function &F) {
 
+  if (F.isExternal())
+    return false;
+
   bool Changed = doInitialization(F);
   initializeAnalysisInfo();
 
@@ -972,6 +975,10 @@ bool FunctionPassManagerImpl_New::runOnModule(Module &M) {
 bool FunctionPassManagerImpl_New::runOnFunction(Function &F) {
 
   bool Changed = false;
+
+  if (F.isExternal())
+    return false;
+
   initializeAnalysisInfo();
 
   for (std::vector<Pass *>::iterator itr = passVectorBegin(),