From 80a098583b3a9754fd83bf93322a8be679ce0036 Mon Sep 17 00:00:00 2001
From: Duncan Sands <baldrick@free.fr>
Date: Fri, 30 Jul 2010 05:50:45 +0000
Subject: [PATCH] Do not pass a copy of the value map, pass a reference to it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109852 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/bugpoint/ExtractFunction.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/bugpoint/ExtractFunction.cpp b/tools/bugpoint/ExtractFunction.cpp
index c03d86ca1fe..e0f9db6d438 100644
--- a/tools/bugpoint/ExtractFunction.cpp
+++ b/tools/bugpoint/ExtractFunction.cpp
@@ -199,7 +199,7 @@ static Constant *GetTorInit(std::vector<std::pair<Function*, int> > &TorList) {
 /// static ctors/dtors, we need to add an llvm.global_[cd]tors global to M2, and
 /// prune appropriate entries out of M1s list.
 static void SplitStaticCtorDtor(const char *GlobalName, Module *M1, Module *M2,
-                                ValueMap<const Value*, Value*> VMap) {
+                                ValueMap<const Value*, Value*> &VMap) {
   GlobalVariable *GV = M1->getNamedGlobal(GlobalName);
   if (!GV || GV->isDeclaration() || GV->hasLocalLinkage() ||
       !GV->use_empty()) return;