From: Eli Friedman <eli.friedman@gmail.com>
Date: Thu, 5 May 2011 16:18:11 +0000 (+0000)
Subject: Minor correction to r130877; fixes PR9846 and hopefully the buildbot failures.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5f6bf5d44138a3537822ac057cd7576375c94df1;p=oota-llvm.git

Minor correction to r130877; fixes PR9846 and hopefully the buildbot failures.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130925 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp
index 5d79e96097e..341afd9dbc6 100644
--- a/lib/CodeGen/MachineCSE.cpp
+++ b/lib/CodeGen/MachineCSE.cpp
@@ -468,7 +468,8 @@ bool MachineCSE::ProcessBlock(MachineBasicBlock *MBB) {
         SmallVector<unsigned,8>::iterator PI = DirectPhysRefs.begin(),
                                           PE = DirectPhysRefs.end();
         for (; PI != PE; ++PI)
-          MBB->addLiveIn(*PI);
+          if (!MBB->isLiveIn(*PI))
+            MBB->addLiveIn(*PI);
       }
       ++NumCSEs;
       if (!PhysRefs.empty())