diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-05-02 18:30:13 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-05-02 18:30:13 +0000 |
| commit | a303c417bbdb53703c2c17398b08486bde78f1f6 (patch) | |
| tree | 98366d6b93d863cefdc53f16c66c0c5ae7fb2261 /lib/Analysis/DemandedBits.cpp | |
| parent | 12f3ca4cdb95b193af905a00e722a4dcb40b3de3 (diff) | |
Notes
Diffstat (limited to 'lib/Analysis/DemandedBits.cpp')
| -rw-r--r-- | lib/Analysis/DemandedBits.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Analysis/DemandedBits.cpp b/lib/Analysis/DemandedBits.cpp index 285339deaaf5..9f5dc5318239 100644 --- a/lib/Analysis/DemandedBits.cpp +++ b/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) |