[llvm-commits] [llvm] r130925 - /llvm/trunk/lib/CodeGen/MachineCSE.cpp

[Eli Friedman]

Author: efriedma
Date: Thu May  5 11:18:11 2011
New Revision: 130925

URL: http://llvm.org/viewvc/llvm-project?rev=130925&view=rev
Log:
Minor correction to r130877; fixes PR9846 and hopefully the buildbot failures.


Modified:
    llvm/trunk/lib/CodeGen/MachineCSE.cpp

Modified: llvm/trunk/lib/CodeGen/MachineCSE.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineCSE.cpp?rev=130925&r1=130924&r2=130925&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineCSE.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineCSE.cpp Thu May  5 11:18:11 2011
@@ -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())