diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 67a881f6204..98cd8190815 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2036,7 +2036,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero, APInt KnownZero2, KnownOne2; unsigned NumElts = DemandedElts.getBitWidth(); - if (DemandedElts == APInt(NumElts, 0)) + if (!DemandedElts) return; // No demanded elts, better to assume we don't know anything. switch (Op.getOpcode()) { @@ -2099,13 +2099,13 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero, DemandedRHS.setBit((unsigned)M % NumElts); } // Known bits are the values that are shared by every demanded element. - if (DemandedLHS != APInt(NumElts, 0)) { + if (!!DemandedLHS) { SDValue LHS = Op.getOperand(0); computeKnownBits(LHS, KnownZero2, KnownOne2, DemandedLHS, Depth + 1); KnownOne &= KnownOne2; KnownZero &= KnownZero2; } - if (DemandedRHS != APInt(NumElts, 0)) { + if (!!DemandedRHS) { SDValue RHS = Op.getOperand(1); computeKnownBits(RHS, KnownZero2, KnownOne2, DemandedRHS, Depth + 1); KnownOne &= KnownOne2; |
