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| author | Chris Lattner <sabre@nondot.org> | 2004-12-08 22:20:34 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-12-08 22:20:34 +0000 |
| commit | 8f30caf5494bf7225388cba1df7c221ae87dcb2d (patch) | |
| tree | 37d17b66014e01fb090f59e403bc44f17c7204ce /llvm/lib | |
| parent | ace35e9be6d247682c8e64972729614c4b689dbc (diff) | |
| download | bcm5719-llvm-8f30caf5494bf7225388cba1df7c221ae87dcb2d.tar.gz bcm5719-llvm-8f30caf5494bf7225388cba1df7c221ae87dcb2d.zip | |
Fix Transforms/InstCombine/2004-12-08-RemInfiniteLoop.ll
llvm-svn: 18670
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 8915598da11..9eb30549f47 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -309,7 +309,8 @@ static inline Value *dyn_castNegVal(Value *V) { // 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; } |
