diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/InstructionCombining.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index d93b6432e6e..72888091950 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -784,9 +784,6 @@ static void ComputeMaskedBits(Value *V, const APInt &Mask, APInt& KnownZero, KnownZero = APIntOps::lshr(KnownZero, ShiftAmt); KnownOne = APIntOps::lshr(KnownOne, ShiftAmt); - // Handle the sign bits and adjust to where it is now in the mask. - APInt SignBit(APInt::getSignBit(BitWidth).lshr(ShiftAmt)); - APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt)); if (KnownZero[BitWidth-ShiftAmt-1]) // New bits are known zero. KnownZero |= HighBits; |
