[llvm] r246903 - Fix build warning

[Andrew Kaylor via llvm-commits]

Author: akaylor
Date: Fri Sep  4 20:00:51 2015
New Revision: 246903

URL: http://llvm.org/viewvc/llvm-project?rev=246903&view=rev
Log:
Fix build warning


Modified:
    llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp?rev=246903&r1=246902&r2=246903&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp Fri Sep  4 20:00:51 2015
@@ -2990,9 +2990,9 @@ bool SimplifyCFGOpt::SimplifyCleanupRetu
          I != IE; ++I) {
       PHINode *DestPN = cast<PHINode>(I);
  
-      unsigned Idx = DestPN->getBasicBlockIndex(BB);
+      int Idx = DestPN->getBasicBlockIndex(BB);
       // Since BB unwinds to UnwindDest, it has to be in the PHI node.
-      assert(Idx != -1);
+      assert(Idx != -1U);
       // This PHI node has an incoming value that corresponds to a control
       // path through the cleanup pad we are removing.  If the incoming
       // value is in the cleanup pad, it must be a PHINode (because we