diff options
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index c80a18dbf6..76f8d09fa1 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -473,15 +473,14 @@ def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{ def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{ if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1))) return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue()); - else { - unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits(); - APInt Mask = APInt::getAllOnesValue(BitWidth); - APInt KnownZero0, KnownOne0; - CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0); - APInt KnownZero1, KnownOne1; - CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0); - return (~KnownZero0 & ~KnownZero1) == 0; - } + + unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits(); + APInt Mask = APInt::getAllOnesValue(BitWidth); + APInt KnownZero0, KnownOne0; + CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0); + APInt KnownZero1, KnownOne1; + CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0); + return (~KnownZero0 & ~KnownZero1) == 0; }]>; // 'shld' and 'shrd' instruction patterns. Note that even though these have |