[llvm-commits] [llvm] r55678 - /llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

[Devang Patel]

Author: dpatel
Date: Tue Sep  2 19:02:42 2008
New Revision: 55678

URL: http://llvm.org/viewvc/llvm-project?rev=55678&view=rev
Log:
While removing PHI, use basicblock to identify incoming value.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp?rev=55678&r1=55677&r2=55678&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Tue Sep  2 19:02:42 2008
@@ -1909,6 +1909,7 @@
 void LoopStrengthReduce::OptimizeIVType(Loop *L) {
 
   BasicBlock *LPH = L->getLoopPreheader();
+  BasicBlock *LatchBB = L->getLoopLatch();
   SmallVector<PHINode *, 4> PHIs;
   for (BasicBlock::iterator BI = L->getHeader()->begin(), 
          BE = L->getHeader()->end(); BI != BE; ++BI) {
@@ -2000,8 +2001,8 @@
 
     // Remove old PHI and increment instruction.
     SE->deleteValueFromRecords(PHI);
-    PHI->removeIncomingValue(Entry);
-    PHI->removeIncomingValue(Latch);
+    PHI->removeIncomingValue(LatchBB);
+    PHI->removeIncomingValue(LPH);
     SE->deleteValueFromRecords(Incr);
     Incr->eraseFromParent();
   }