commit 5f6bf5d44138a3537822ac057cd7576375c94df1
author Eli Friedman <eli.friedman@gmail.com> Thu May 05 16:18:11 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Thu May 05 16:18:11 2011 +0000
tree ebcb50e20d353596eb24eea7800d4d70691a461e
parent f262e161612eb44b7bb3dd2008950be3e77b57dd

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

lib/CodeGen/MachineCSE.cpp

diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp
index 5d79e96..341afd9 100644
--- a/lib/CodeGen/MachineCSE.cpp
+++ b/lib/CodeGen/MachineCSE.cpp
@@ -468,7 +468,8 @@
         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())