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| author | Craig Topper <craig.topper@intel.com> | 2017-10-07 17:07:48 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-10-07 17:07:48 +0000 |
| commit | 90b76211d3bd58501aaf4c07c110e74da198fbcd (patch) | |
| tree | 38923e56413ef47af28782d3c0cc4ad083f6bfd8 /llvm/lib/CodeGen | |
| parent | 2f602953647ff616fd7d9d1fb9475dbf66ef306a (diff) | |
| download | bcm5719-llvm-90b76211d3bd58501aaf4c07c110e74da198fbcd.tar.gz bcm5719-llvm-90b76211d3bd58501aaf4c07c110e74da198fbcd.zip | |
[SelectionDAG} Use KnownBits::isUnknown and hasConflict. NFC
llvm-svn: 315154
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 0e1bff80b10..744f5c5be2a 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2128,7 +2128,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, Known.Zero &= Known2.Zero; // If we don't know any bits, early out. - if (!Known.One && !Known.Zero) + if (Known.isUnknown()) break; } break; @@ -2166,7 +2166,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, Known.Zero &= Known2.Zero; } // If we don't know any bits, early out. - if (!Known.One && !Known.Zero) + if (Known.isUnknown()) break; if (!!DemandedRHS) { SDValue RHS = Op.getOperand(1); @@ -2192,7 +2192,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, Known.Zero &= Known2.Zero; } // If we don't know any bits, early out. - if (!Known.One && !Known.Zero) + if (Known.isUnknown()) break; } break; @@ -2276,7 +2276,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, Known.One &= Known2.One.lshr(Offset).trunc(BitWidth); Known.Zero &= Known2.Zero.lshr(Offset).trunc(BitWidth); // If we don't know any bits, early out. - if (!Known.One && !Known.Zero) + if (Known.isUnknown()) break; } } @@ -2349,7 +2349,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, case ISD::SELECT: computeKnownBits(Op.getOperand(2), Known, Depth+1); // If we don't know any bits, early out. - if (!Known.One && !Known.Zero) + if (Known.isUnknown()) break; computeKnownBits(Op.getOperand(1), Known2, Depth+1); @@ -2360,7 +2360,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, case ISD::SELECT_CC: computeKnownBits(Op.getOperand(3), Known, Depth+1); // If we don't know any bits, early out. - if (!Known.One && !Known.Zero) + if (Known.isUnknown()) break; computeKnownBits(Op.getOperand(2), Known2, Depth+1); @@ -2838,7 +2838,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, computeKnownBits(Op.getOperand(0), Known, DemandedElts, Depth + 1); // If we don't know any bits, early out. - if (!Known.One && !Known.Zero) + if (Known.isUnknown()) break; computeKnownBits(Op.getOperand(1), Known2, DemandedElts, Depth + 1); Known.Zero &= Known2.Zero; @@ -2866,7 +2866,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known, break; } - assert((Known.Zero & Known.One) == 0 && "Bits known to be one AND zero?"); + assert(!Known.hasConflict() && "Bits known to be one AND zero?"); } SelectionDAG::OverflowKind SelectionDAG::computeOverflowKind(SDValue N0, |
