[llvm-commits] [llvm] r55682 - /llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

[Devang Patel]

Author: dpatel
Date: Tue Sep  2 19:29:13 2008
New Revision: 55682

URL: http://llvm.org/viewvc/llvm-project?rev=55682&view=rev
Log:
Add additional check to ensure that iv is canonicalized.

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=55682&r1=55681&r2=55682&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Tue Sep  2 19:29:13 2008
@@ -1935,6 +1935,7 @@
 
     ConstantInt *CInit = dyn_cast<ConstantInt>(PHI->getIncomingValue(Entry));
     if (!CInit) return;
+    if (!CInit->isZero()) return;
 
     bool signedInit = CInit->getValue().isNegative();