[llvm-commits] [llvm] r107698 - /llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Tue Jul  6 16:06:39 2010
New Revision: 107698

URL: http://llvm.org/viewvc/llvm-project?rev=107698&view=rev
Log:
Fix buildbot breakage where a def is missing.

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

Modified: llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp?rev=107698&r1=107697&r2=107698&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp (original)
+++ llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp Tue Jul  6 16:06:39 2010
@@ -352,6 +352,8 @@
       AValNo->isUnused() || AValNo->hasPHIKill())
     return false;
   MachineInstr *DefMI = li_->getInstructionFromIndex(AValNo->def);
+  if (!DefMI)
+    return false;
   const TargetInstrDesc &TID = DefMI->getDesc();
   if (!TID.isCommutable())
     return false;