From: Chris Lattner <sabre@nondot.org>
Date: Wed, 1 Apr 2009 01:43:03 +0000 (+0000)
Subject: fix a serious regression I introduced in my previous patch.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=7d9eb5884c34d0b6d9912d1f972327eedc62d60a;p=oota-llvm.git

fix a serious regression I introduced in my previous patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68173 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index dfa215c2ed7..dd9db8f4366 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -2067,7 +2067,8 @@ Module *BitcodeReader::materializeModule(std::string *ErrInfo) {
         if (CallInst* CI = dyn_cast<CallInst>(*UI++))
           UpgradeIntrinsicCall(CI, I->second);
       }
-      I->first->replaceAllUsesWith(I->second);
+      if (!I->first->use_empty())
+        I->first->replaceAllUsesWith(I->second);
       I->first->eraseFromParent();
     }
   }