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| author | Dan Gohman <gohman@apple.com> | 2008-05-07 00:35:55 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-05-07 00:35:55 +0000 |
| commit | 5a3eecdfd8e677396e381326182e310266a24ed1 (patch) | |
| tree | a0081dae5ef19cbdc849befbb3b2e469acf37a53 /llvm/lib | |
| parent | cab93d58c3b87e986a796a453064e7faa67d038e (diff) | |
| download | bcm5719-llvm-5a3eecdfd8e677396e381326182e310266a24ed1.tar.gz bcm5719-llvm-5a3eecdfd8e677396e381326182e310266a24ed1.zip | |
Fix a bug in the ComputeMaskedBits logic for multiply.
llvm-svn: 50793
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 4 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 3e75f7b3056..3d5a126df1b 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1244,8 +1244,8 @@ void SelectionDAG::ComputeMaskedBits(SDOperand Op, const APInt &Mask, unsigned TrailZ = KnownZero.countTrailingOnes() + KnownZero2.countTrailingOnes(); unsigned LeadZ = std::max(KnownZero.countLeadingOnes() + - KnownZero2.countLeadingOnes() + - 1, BitWidth) - BitWidth; + KnownZero2.countLeadingOnes(), + BitWidth) - BitWidth; TrailZ = std::min(TrailZ, BitWidth); LeadZ = std::min(LeadZ, BitWidth); diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 2afa6c51622..66d5326b9f3 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -767,8 +767,8 @@ void InstCombiner::ComputeMaskedBits(Value *V, const APInt &Mask, unsigned TrailZ = KnownZero.countTrailingOnes() + KnownZero2.countTrailingOnes(); unsigned LeadZ = std::max(KnownZero.countLeadingOnes() + - KnownZero2.countLeadingOnes() + - 1, BitWidth) - BitWidth; + KnownZero2.countLeadingOnes(), + BitWidth) - BitWidth; TrailZ = std::min(TrailZ, BitWidth); LeadZ = std::min(LeadZ, BitWidth); |
