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Searched refs:HighBits (Results 1 – 4 of 4) sorted by relevance

/external/llvm/lib/Transforms/InstCombine/
DInstCombineSimplifyDemanded.cpp609 APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt)); in SimplifyDemandedUseBits() local
610 KnownZero |= HighBits; // high bits known zero. in SimplifyDemandedUseBits()
651 APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt)); in SimplifyDemandedUseBits() local
663 (HighBits & ~DemandedMask) == HighBits) { in SimplifyDemandedUseBits()
670 KnownOne |= HighBits; in SimplifyDemandedUseBits()
/external/llvm/lib/CodeGen/SelectionDAG/
DTargetLowering.cpp752 APInt HighBits = APInt::getHighBitsSet(BitWidth, ShAmt); in SimplifyDemandedBits() local
753 KnownZero |= HighBits; // High bits known zero. in SimplifyDemandedBits()
783 APInt HighBits = APInt::getHighBitsSet(BitWidth, ShAmt); in SimplifyDemandedBits() local
784 if (HighBits.intersects(NewMask)) in SimplifyDemandedBits()
799 if (KnownZero.intersects(SignBit) || (HighBits & ~NewMask) == HighBits) { in SimplifyDemandedBits()
819 KnownOne |= HighBits; in SimplifyDemandedBits()
1029 APInt HighBits = APInt::getHighBitsSet(OperandBitWidth, in SimplifyDemandedBits() local
1031 HighBits = HighBits.lshr(ShAmt->getZExtValue()).trunc(BitWidth); in SimplifyDemandedBits()
1033 if (ShAmt->getZExtValue() < BitWidth && !(HighBits & NewMask)) { in SimplifyDemandedBits()
DSelectionDAG.cpp2203 APInt HighBits = APInt::getHighBitsSet(BitWidth, ShAmt); in computeKnownBits() local
2204 KnownZero |= HighBits; // High bits known zero. in computeKnownBits()
2217 APInt HighBits = APInt::getHighBitsSet(BitWidth, ShAmt); in computeKnownBits() local
2228 KnownZero |= HighBits; // New bits are known zero. in computeKnownBits()
2230 KnownOne |= HighBits; // New bits are known one. in computeKnownBits()
/external/clang/lib/CodeGen/
DCGExpr.cpp1472 unsigned HighBits = Info.StorageSize - Info.Offset - Info.Size; in EmitLoadOfBitfieldLValue() local
1473 if (HighBits) in EmitLoadOfBitfieldLValue()
1474 Val = Builder.CreateShl(Val, HighBits, "bf.shl"); in EmitLoadOfBitfieldLValue()
1475 if (Info.Offset + HighBits) in EmitLoadOfBitfieldLValue()
1476 Val = Builder.CreateAShr(Val, Info.Offset + HighBits, "bf.ashr"); in EmitLoadOfBitfieldLValue()
1711 unsigned HighBits = Info.StorageSize - Info.Size; in EmitStoreThroughBitfieldLValue() local
1712 if (HighBits) { in EmitStoreThroughBitfieldLValue()
1713 ResultVal = Builder.CreateShl(ResultVal, HighBits, "bf.result.shl"); in EmitStoreThroughBitfieldLValue()
1714 ResultVal = Builder.CreateAShr(ResultVal, HighBits, "bf.result.ashr"); in EmitStoreThroughBitfieldLValue()