[llvm-commits] CVS: llvm/lib/Transforms/Scalar/InstructionCombining.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.288 -> 1.289
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Log message:

Fix Transforms/InstCombine/2004-12-08-RemInfiniteLoop.ll


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Diffs of the changes:  (+2 -1)

Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.288 llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.289
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.288	Sun Nov 28 15:31:15 2004
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp	Wed Dec  8 16:20:34 2004
@@ -309,7 +309,8 @@
 
   // Constants can be considered to be negated values if they can be folded...
   if (Constant *C = dyn_cast<Constant>(V))
-    return ConstantExpr::getNeg(C);
+    if (!isa<UndefValue>(C))
+      return ConstantExpr::getNeg(C);
   return 0;
 }