Make sure to clean CastedPointers after casts are potentially deleted.

This fixes LSR crashes on 301.apsi, 191.fma3d, and 189.lucas

llvm-svn: 22673

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 0326a143df9..19e8840320c 100644
--- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -106,7 +106,6 @@ namespace {
       for (LoopInfo::iterator I = LI->begin(), E = LI->end(); I != E; ++I)
         runOnLoop(*I);
       
-      CastedPointers.clear();
       return Changed;
     }
 
@@ -672,6 +671,7 @@ void LoopStrengthReduce::runOnLoop(Loop *L) {
     DeleteTriviallyDeadInstructions(DeadInsts);
   }
 
+  CastedPointers.clear();
   IVUsesByStride.clear();
   return;
 }