diff options
Diffstat (limited to 'contrib/llvm/lib/Analysis/DemandedBits.cpp')
| -rw-r--r-- | contrib/llvm/lib/Analysis/DemandedBits.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/contrib/llvm/lib/Analysis/DemandedBits.cpp b/contrib/llvm/lib/Analysis/DemandedBits.cpp index 285339deaaf5..9f5dc5318239 100644 --- a/contrib/llvm/lib/Analysis/DemandedBits.cpp +++ b/contrib/llvm/lib/Analysis/DemandedBits.cpp @@ -181,7 +181,7 @@ void DemandedBits::determineLiveOperandBits( // bits, then we must keep the highest input bit. if ((AOut & APInt::getHighBitsSet(BitWidth, ShiftAmt)) .getBoolValue()) - AB.setBit(BitWidth-1); + AB.setSignBit(); // If the shift is exact, then the low bits are not dead // (they must be zero). @@ -239,7 +239,7 @@ void DemandedBits::determineLiveOperandBits( if ((AOut & APInt::getHighBitsSet(AOut.getBitWidth(), AOut.getBitWidth() - BitWidth)) .getBoolValue()) - AB.setBit(BitWidth-1); + AB.setSignBit(); break; case Instruction::Select: if (OperandNo != 0) |