diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index dabfb8bd06d..71d8109fb5a 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2711,7 +2711,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, computeKnownBits(Op.getOperand(0), Known2, DemandedElts, Depth + 1); // If the source's MSB is zero then we know the rest of the bits already. - if (Known2.Zero[BitWidth - 1]) { + if (Known2.isNonNegative()) { Known.Zero = Known2.Zero; Known.One = Known2.One; break; @@ -3045,7 +3045,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, const APInt &DemandedElts, // If we are subtracting one from a positive number, there is no carry // out of the result. - if (Known.Zero.isNegative()) + if (Known.isNonNegative()) return Tmp; } @@ -3069,7 +3069,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, const APInt &DemandedElts, // If the input is known to be positive (the sign bit is known clear), // the output of the NEG has the same number of sign bits as the input. - if (Known.Zero.isNegative()) + if (Known.isNonNegative()) return Tmp2; // Otherwise, we treat this like a SUB. @@ -3208,9 +3208,9 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, const APInt &DemandedElts, computeKnownBits(Op, Known, DemandedElts, Depth); APInt Mask; - if (Known.Zero.isNegative()) { // sign bit is 0 + if (Known.isNonNegative()) { // sign bit is 0 Mask = Known.Zero; - } else if (Known.One.isNegative()) { // sign bit is 1; + } else if (Known.isNegative()) { // sign bit is 1; Mask = Known.One; } else { // Nothing known. |
