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| author | Dan Gohman <gohman@apple.com> | 2008-09-11 18:53:02 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-09-11 18:53:02 +0000 |
| commit | 2c3b489e6e9435c9e9e88fd6a168af6fec84f746 (patch) | |
| tree | 0513d3c386e134595147273c5d895b5b02417409 /lib | |
| parent | c5d589ffa6efaf4188aedcb9745cb5a09f5c4d3e (diff) | |
| download | external_llvm-2c3b489e6e9435c9e9e88fd6a168af6fec84f746.zip external_llvm-2c3b489e6e9435c9e9e88fd6a168af6fec84f746.tar.gz external_llvm-2c3b489e6e9435c9e9e88fd6a168af6fec84f746.tar.bz2 | |
Fix a copy+paste bug that Duncan spotted. For several
cases it was still getting lucky and detecting overflow
but it was clearly incorrect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56113 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 46ac762..5a9d1de 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -4699,7 +4699,7 @@ static bool AddWithOverflow(ConstantInt *&Result, ConstantInt *In1, /// overflowed for this type. static bool SubWithOverflow(ConstantInt *&Result, ConstantInt *In1, ConstantInt *In2, bool IsSigned = false) { - Result = cast<ConstantInt>(Add(In1, In2)); + Result = cast<ConstantInt>(Subtract(In1, In2)); if (IsSigned) if (In2->getValue().isNegative()) |