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Fix unused variable warnings. NFCI.

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llvm-svn: 316964
This commit is contained in:
Simon Pilgrim 2017-10-30 22:38:07 +00:00
parent 21b08adda6
commit 937b242735
1 changed files with 0 additions and 3 deletions
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3
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -2582,7 +2582,6 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known,
} }
// TODO ISD::SIGN_EXTEND_VECTOR_INREG // TODO ISD::SIGN_EXTEND_VECTOR_INREG
case ISD::SIGN_EXTEND: { case ISD::SIGN_EXTEND: {
EVT InVT = Op.getOperand(0).getValueType();
computeKnownBits(Op.getOperand(0), Known, DemandedElts, Depth + 1); computeKnownBits(Op.getOperand(0), Known, DemandedElts, Depth + 1);
// If the sign bit is known to be zero or one, then sext will extend // If the sign bit is known to be zero or one, then sext will extend
// it to the top bits, else it will just zext. // it to the top bits, else it will just zext.
@ -2590,13 +2589,11 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known,
break; break;
} }
case ISD::ANY_EXTEND: { case ISD::ANY_EXTEND: {
EVT InVT = Op.getOperand(0).getValueType();
computeKnownBits(Op.getOperand(0), Known, Depth+1); computeKnownBits(Op.getOperand(0), Known, Depth+1);
Known = Known.zext(BitWidth); Known = Known.zext(BitWidth);
break; break;
} }
case ISD::TRUNCATE: { case ISD::TRUNCATE: {
EVT InVT = Op.getOperand(0).getValueType();
computeKnownBits(Op.getOperand(0), Known, DemandedElts, Depth + 1); computeKnownBits(Op.getOperand(0), Known, DemandedElts, Depth + 1);
Known = Known.trunc(BitWidth); Known = Known.trunc(BitWidth);
break; break;