Searched refs:KnownZero (Results 1 - 25 of 42) sorted by relevance

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/external/llvm/lib/Analysis/
H A DValueTracking.cpp47 APInt &KnownZero, APInt &KnownOne,
56 unsigned BitWidth = KnownZero.getBitWidth();
68 KnownZero = APInt::getHighBitsSet(BitWidth, NLZ2);
74 unsigned BitWidth = KnownZero.getBitWidth();
95 KnownZero |= KnownZero2 & Mask;
100 KnownZero |= APInt::getLowBitsSet(BitWidth,
106 KnownZero |= LHSKnownZero & Mask;
111 if (!KnownZero.isNegative() && !KnownOne.isNegative()) {
116 KnownZero |= APInt::getSignBit(BitWidth);
123 KnownZero |
46 ComputeMaskedBitsAddSub(bool Add, Value *Op0, Value *Op1, bool NSW, APInt &KnownZero, APInt &KnownOne, APInt &KnownZero2, APInt &KnownOne2, const DataLayout *TD, unsigned Depth) argument
132 ComputeMaskedBitsMul(Value *Op0, Value *Op1, bool NSW, APInt &KnownZero, APInt &KnownOne, APInt &KnownZero2, APInt &KnownOne2, const DataLayout *TD, unsigned Depth) argument
194 computeMaskedBitsLoad(const MDNode &Ranges, APInt &KnownZero) argument
228 ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne, const DataLayout *TD, unsigned Depth) argument
792 ComputeSignBit(Value *V, bool &KnownZero, bool &KnownOne, const DataLayout *TD, unsigned Depth) argument
[all...]
H A DLint.cpp512 APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);
513 ComputeMaskedBits(V, KnownZero, KnownOne, TD);
514 return KnownZero.isAllOnesValue();
/external/llvm/lib/Transforms/InstCombine/
H A DInstCombineSimplifyDemanded.cpp55 APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);
59 KnownZero, KnownOne, 0);
70 APInt &KnownZero, APInt &KnownOne,
73 KnownZero, KnownOne, Depth);
87 /// to be one in the expression. KnownZero contains all the bits that are known
90 /// the expression. KnownOne and KnownZero always follow the invariant that
91 /// KnownOne & KnownZero == 0. That is, a bit can't be both 1 and 0. Note that
92 /// the bits in KnownOne and KnownZero may only be accurate for those bits set
93 /// in DemandedMask. Note also that the bitwidth of V, DemandedMask, KnownZero
102 APInt &KnownZero, APIn
69 SimplifyDemandedBits(Use &U, APInt DemandedMask, APInt &KnownZero, APInt &KnownOne, unsigned Depth) argument
101 SimplifyDemandedUseBits(Value *V, APInt DemandedMask, APInt &KnownZero, APInt &KnownOne, unsigned Depth) argument
845 SimplifyShrShlDemandedBits(Instruction *Shr, Instruction *Shl, APInt DemandedMask, APInt &KnownZero, APInt &KnownOne) argument
[all...]
H A DInstCombine.h302 void ComputeMaskedBits(Value *V, APInt &KnownZero, argument
304 return llvm::ComputeMaskedBits(V, KnownZero, KnownOne, TD, Depth);
331 APInt& KnownZero, APInt& KnownOne,
334 APInt& KnownZero, APInt& KnownOne,
339 APInt DemandedMask, APInt &KnownZero,
H A DInstCombineCalls.cpp321 APInt KnownZero(BitWidth, 0);
323 ComputeMaskedBits(II->getArgOperand(0), KnownZero, KnownOne);
326 if ((Mask & KnownZero) == Mask)
339 APInt KnownZero(BitWidth, 0);
341 ComputeMaskedBits(II->getArgOperand(0), KnownZero, KnownOne);
344 if ((Mask & KnownZero) == Mask)
H A DInstCombineCasts.cpp552 APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);
553 ComputeMaskedBits(ICI->getOperand(0), KnownZero, KnownOne);
555 APInt KnownZeroMask(~KnownZero);
928 APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);
929 ComputeMaskedBits(Op0, KnownZero, KnownOne);
931 APInt KnownZeroMask(~KnownZero);
H A DInstCombineCompares.cpp177 static void ComputeSignedMinMaxValuesFromKnownBits(const APInt& KnownZero, argument
180 assert(KnownZero.getBitWidth() == KnownOne.getBitWidth() &&
181 KnownZero.getBitWidth() == Min.getBitWidth() &&
182 KnownZero.getBitWidth() == Max.getBitWidth() &&
183 "KnownZero, KnownOne and Min, Max must have equal bitwidth.");
184 APInt UnknownBits = ~(KnownZero|KnownOne);
201 static void ComputeUnsignedMinMaxValuesFromKnownBits(const APInt &KnownZero, argument
204 assert(KnownZero.getBitWidth() == KnownOne.getBitWidth() &&
205 KnownZero.getBitWidth() == Min.getBitWidth() &&
206 KnownZero
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/external/llvm/include/llvm/CodeGen/
H A DFunctionLoweringInfo.h103 APInt KnownOne, KnownZero; member in struct:llvm::FunctionLoweringInfo::LiveOutInfo
105 KnownZero(1, 0) {}
173 const APInt &KnownZero, const APInt &KnownOne) {
175 if (NumSignBits == 1 && KnownZero == 0 && KnownOne == 0)
182 LOI.KnownZero = KnownZero;
172 AddLiveOutRegInfo(unsigned Reg, unsigned NumSignBits, const APInt &KnownZero, const APInt &KnownOne) argument
/external/llvm/include/llvm/Analysis/
H A DValueTracking.h30 /// known to be either zero or one and return them in the KnownZero/KnownOne
39 void ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne,
41 void computeMaskedBitsLoad(const MDNode &Ranges, APInt &KnownZero);
45 void ComputeSignBit(Value *V, bool &KnownZero, bool &KnownOne,
/external/llvm/lib/CodeGen/SelectionDAG/
H A DTargetLowering.cpp348 /// analyze the expression and return a mask of KnownOne and KnownZero bits for
349 /// the expression (used to simplify the caller). The KnownZero/One bits may
353 APInt &KnownZero,
364 KnownZero = KnownOne = APInt(BitWidth, 0);
369 // If not at the root, Just compute the KnownZero/KnownOne bits to
371 TLO.DAG.ComputeMaskedBits(Op, KnownZero, KnownOne, Depth);
391 KnownZero = ~KnownOne;
411 if (SimplifyDemandedBits(Op.getOperand(1), NewMask, KnownZero,
414 assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
415 if (SimplifyDemandedBits(Op.getOperand(0), ~KnownZero
351 SimplifyDemandedBits(SDValue Op, const APInt &DemandedMask, APInt &KnownZero, APInt &KnownOne, TargetLoweringOpt &TLO, unsigned Depth) const argument
1005 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
1060 APInt KnownZero, KnownOne; local
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H A DFunctionLoweringInfo.cpp257 if (BitWidth > LOI->KnownZero.getBitWidth()) {
259 LOI->KnownZero = LOI->KnownZero.zextOrTrunc(BitWidth);
296 DestLOI.KnownZero = Zero;
304 DestLOI.KnownZero = ~Val;
322 assert(DestLOI.KnownZero.getBitWidth() == BitWidth &&
331 DestLOI.KnownZero = Zero;
339 DestLOI.KnownZero &= ~Val;
357 DestLOI.KnownZero &= SrcLOI->KnownZero;
[all...]
H A DSelectionDAG.cpp1670 APInt KnownZero, KnownOne; local
1671 ComputeMaskedBits(Op, KnownZero, KnownOne, Depth);
1672 assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
1673 return (KnownZero & Mask) == Mask;
1677 /// known to be either zero or one and return them in the KnownZero/KnownOne
1680 void SelectionDAG::ComputeMaskedBits(SDValue Op, APInt &KnownZero, argument
1685 KnownZero = KnownOne = APInt(BitWidth, 0); // Don't know anything.
1695 KnownZero = ~KnownOne;
1699 ComputeMaskedBits(Op.getOperand(1), KnownZero, KnownOne, Depth+1);
1701 assert((KnownZero
2241 APInt KnownZero, KnownOne; local
2266 APInt KnownZero, KnownOne; local
2320 APInt KnownZero, KnownOne; local
6240 llvm::ComputeMaskedBits(const_cast<GlobalValue*>(GV), KnownZero, KnownOne, local
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/external/llvm/lib/Target/SystemZ/
H A DSystemZISelDAGToDAG.cpp612 APInt KnownZero, KnownOne; local
613 CurDAG->ComputeMaskedBits(Op.getOperand(0), KnownZero, KnownOne);
614 if (Used != (AndMask | InsertMask | KnownZero.getZExtValue()))
672 APInt KnownZero, KnownOne; local
673 CurDAG->ComputeMaskedBits(Input, KnownZero, KnownOne);
674 Mask |= KnownZero.getZExtValue();
697 APInt KnownZero, KnownOne; local
698 CurDAG->ComputeMaskedBits(Input, KnownZero, KnownOne);
/external/llvm/lib/Target/XCore/
H A DXCoreISelLowering.cpp368 APInt KnownZero, KnownOne; local
369 DAG.ComputeMaskedBits(Value, KnownZero, KnownOne);
370 return KnownZero.countTrailingOnes() >= 2;
1391 APInt KnownZero, KnownOne; local
1394 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1395 if ((KnownZero & Mask) == Mask) {
1414 APInt KnownZero, KnownOne; local
1417 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1418 if ((KnownZero & Mask) == Mask) {
1430 APInt KnownZero, KnownOn local
1555 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
[all...]
H A DXCoreISelLowering.h170 APInt &KnownZero,
/external/chromium_org/third_party/mesa/src/src/gallium/drivers/radeon/
H A DAMDGPUISelLowering.h66 /// KnownZero/KnownOne bitsets.
68 APInt &KnownZero,
H A DAMDILISelLowering.cpp279 APInt &KnownZero,
286 KnownZero = KnownOne = APInt(KnownOne.getBitWidth(), 0); // Don't know anything
292 KnownZero,
301 assert((KnownZero & KnownOne) == 0
307 KnownZero &= KnownZero2;
277 computeMaskedBitsForTargetNode( const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/llvm/lib/Target/R600/
H A DAMDGPUISelLowering.h80 /// either zero or one and return them in the \p KnownZero and \p KnownOne
83 APInt &KnownZero,
H A DAMDGPUISelDAGToDAG.cpp765 APInt KnownZero, KnownOne; local
768 if (TLI->SimplifyDemandedBits(Op, Demanded, KnownZero, KnownOne, TLO)) {
789 APInt KnownZero; local
791 CurDAG->ComputeMaskedBits(Op, KnownZero, KnownOne);
797 if ((KnownZero & APInt(KnownZero.getBitWidth(), 0xFF000000)) == 0xFF000000 ||
H A DAMDILISelLowering.cpp254 APInt &KnownZero,
260 KnownZero = KnownOne = APInt(KnownOne.getBitWidth(), 0); // Don't know anything
266 KnownZero,
275 assert((KnownZero & KnownOne) == 0
281 KnownZero &= KnownZero2;
252 computeMaskedBitsForTargetNode( const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/llvm/lib/Target/Sparc/
H A DSparcISelLowering.h56 /// KnownZero/KnownOne bitsets.
58 APInt &KnownZero,
H A DSparcISelLowering.cpp1409 APInt &KnownZero,
1414 KnownZero = KnownOne = APInt(KnownZero.getBitWidth(), 0);
1421 DAG.ComputeMaskedBits(Op.getOperand(1), KnownZero, KnownOne, Depth+1);
1423 assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
1428 KnownZero &= KnownZero2;
1407 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/mesa3d/src/gallium/drivers/radeon/
H A DAMDGPUISelLowering.h66 /// KnownZero/KnownOne bitsets.
68 APInt &KnownZero,
H A DAMDILISelLowering.cpp279 APInt &KnownZero,
286 KnownZero = KnownOne = APInt(KnownOne.getBitWidth(), 0); // Don't know anything
292 KnownZero,
301 assert((KnownZero & KnownOne) == 0
307 KnownZero &= KnownZero2;
277 computeMaskedBitsForTargetNode( const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/llvm/lib/Transforms/Utils/
H A DLocal.cpp936 APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);
937 ComputeMaskedBits(V, KnownZero, KnownOne, DL);
938 unsigned TrailZ = KnownZero.countTrailingOnes();

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