Searched defs:KnownOne (Results 1 - 17 of 17) sorted by relevance

/external/llvm/include/llvm/CodeGen/
H A DFunctionLoweringInfo.h106 APInt KnownOne, KnownZero; member in struct:llvm::FunctionLoweringInfo::LiveOutInfo
107 LiveOutInfo() : NumSignBits(0), IsValid(true), KnownOne(1, 0),
171 const APInt &KnownZero, const APInt &KnownOne) {
173 if (NumSignBits == 1 && KnownZero == 0 && KnownOne == 0)
179 LOI.KnownOne = KnownOne;
170 AddLiveOutRegInfo(unsigned Reg, unsigned NumSignBits, const APInt &KnownZero, const APInt &KnownOne) argument
/external/llvm/lib/Transforms/InstCombine/
H A DInstCombine.h295 APInt &KnownOne, unsigned Depth = 0) const {
296 return llvm::ComputeMaskedBits(V, KnownZero, KnownOne, TD, Depth);
323 APInt& KnownZero, APInt& KnownOne,
326 APInt& KnownZero, APInt& KnownOne,
294 ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne, unsigned Depth = 0) const argument
H A DInstCombineSimplifyDemanded.cpp54 APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);
58 KnownZero, KnownOne, 0);
69 APInt &KnownZero, APInt &KnownOne,
72 KnownZero, KnownOne, Depth);
85 /// returns false after analyzing the expression and setting KnownOne and known
89 /// the expression. KnownOne and KnownZero always follow the invariant that
90 /// KnownOne & KnownZero == 0. That is, a bit can't be both 1 and 0. Note that
91 /// the bits in KnownOne and KnownZero may only be accurate for those bits set
93 /// and KnownOne must all be the same.
101 APInt &KnownZero, APInt &KnownOne,
68 SimplifyDemandedBits(Use &U, APInt DemandedMask, APInt &KnownZero, APInt &KnownOne, unsigned Depth) argument
100 SimplifyDemandedUseBits(Value *V, APInt DemandedMask, APInt &KnownZero, APInt &KnownOne, unsigned Depth) argument
[all...]
H A DInstCombineCompares.cpp153 const APInt& KnownOne,
155 assert(KnownZero.getBitWidth() == KnownOne.getBitWidth() &&
158 "KnownZero, KnownOne and Min, Max must have equal bitwidth.");
159 APInt UnknownBits = ~(KnownZero|KnownOne);
163 Min = KnownOne;
164 Max = KnownOne|UnknownBits;
177 const APInt &KnownOne,
179 assert(KnownZero.getBitWidth() == KnownOne.getBitWidth() &&
182 "Ty, KnownZero, KnownOne and Min, Max must have equal bitwidth.");
183 APInt UnknownBits = ~(KnownZero|KnownOne);
152 ComputeSignedMinMaxValuesFromKnownBits(const APInt& KnownZero, const APInt& KnownOne, APInt& Min, APInt& Max) argument
176 ComputeUnsignedMinMaxValuesFromKnownBits(const APInt &KnownZero, const APInt &KnownOne, APInt &Min, APInt &Max) argument
[all...]
/external/llvm/lib/Analysis/
H A DValueTracking.cpp47 APInt &KnownZero, APInt &KnownOne,
96 KnownOne |= KnownOne2 & Mask;
107 KnownOne |= LHSKnownOne & Mask;
111 if (!KnownZero.isNegative() && !KnownOne.isNegative()) {
119 KnownOne |= APInt::getSignBit(BitWidth);
126 KnownOne |= APInt::getSignBit(BitWidth);
133 APInt &KnownZero, APInt &KnownOne,
137 ComputeMaskedBits(Op1, KnownZero, KnownOne, TD, Depth+1);
139 assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
152 bool isKnownNegativeOp1 = KnownOne
46 ComputeMaskedBitsAddSub(bool Add, Value *Op0, Value *Op1, bool NSW, APInt &KnownZero, APInt &KnownOne, APInt &KnownZero2, APInt &KnownOne2, const TargetData *TD, unsigned Depth) argument
132 ComputeMaskedBitsMul(Value *Op0, Value *Op1, bool NSW, APInt &KnownZero, APInt &KnownOne, APInt &KnownZero2, APInt &KnownOne2, const TargetData *TD, unsigned Depth) argument
228 ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne, const TargetData *TD, unsigned Depth) argument
780 ComputeSignBit(Value *V, bool &KnownZero, bool &KnownOne, const TargetData *TD, unsigned Depth) argument
[all...]
/external/llvm/lib/Target/Sparc/
H A DSparcISelLowering.cpp841 APInt &KnownOne,
845 KnownZero = KnownOne = APInt(KnownZero.getBitWidth(), 0);
851 DAG.ComputeMaskedBits(Op.getOperand(1), KnownZero, KnownOne, Depth+1);
853 assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
857 KnownOne &= KnownOne2;
839 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/llvm/lib/CodeGen/SelectionDAG/
H A DSelectionDAGISel.cpp509 APInt KnownOne; local
538 CurDAG->ComputeMaskedBits(Src, KnownZero, KnownOne);
539 FuncInfo->AddLiveOutRegInfo(DestReg, NumSignBits, KnownZero, KnownOne);
1469 APInt KnownZero, KnownOne; local
1470 CurDAG->ComputeMaskedBits(LHS, KnownZero, KnownOne);
1473 if ((NeededMask & KnownOne) == NeededMask)
H A DLegalizeIntegerTypes.cpp1360 APInt KnownZero, KnownOne; local
1361 DAG.ComputeMaskedBits(N->getOperand(1), KnownZero, KnownOne);
1364 if (((KnownZero|KnownOne) & HighBitMask) == 0)
1373 if (KnownOne.intersects(HighBitMask)) {
H A DTargetLowering.cpp1184 /// analyze the expression and return a mask of KnownOne and KnownZero bits for
1190 APInt &KnownOne,
1200 KnownZero = KnownOne = APInt(BitWidth, 0);
1205 // If not at the root, Just compute the KnownZero/KnownOne bits to
1207 TLO.DAG.ComputeMaskedBits(Op, KnownZero, KnownOne, Depth);
1226 KnownOne = cast<ConstantSDNode>(Op)->getAPIntValue();
1227 KnownZero = ~KnownOne;
1248 KnownOne, TLO, Depth+1))
1250 assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
1258 if ((NewMask & ~KnownZero2 & KnownOne)
1187 SimplifyDemandedBits(SDValue Op, const APInt &DemandedMask, APInt &KnownZero, APInt &KnownOne, TargetLoweringOpt &TLO, unsigned Depth) const argument
1841 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
1896 APInt KnownZero, KnownOne; local
[all...]
H A DDAGCombiner.cpp680 APInt KnownZero, KnownOne; local
681 if (!TLI.SimplifyDemandedBits(Op, Demanded, KnownZero, KnownOne, TLO))
3883 APInt KnownZero, KnownOne; local
3884 DAG.ComputeMaskedBits(N0.getOperand(0), KnownZero, KnownOne);
3886 // If any of the input bits are KnownOne, then the input couldn't be all
3888 if (KnownOne.getBoolValue()) return DAG.getConstant(0, VT);
4475 APInt KnownOne; local
4478 DAG.ComputeMaskedBits(Op, KnownZero, KnownOne);
4499 DAG.ComputeMaskedBits(Op, KnownZero, KnownOne);
H A DSelectionDAG.cpp1684 APInt KnownZero, KnownOne; local
1685 ComputeMaskedBits(Op, KnownZero, KnownOne, Depth);
1686 assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
1691 /// known to be either zero or one and return them in the KnownZero/KnownOne
1695 APInt &KnownOne, unsigned Depth) const {
1698 KnownZero = KnownOne = APInt(BitWidth, 0); // Don't know anything.
1707 KnownOne = cast<ConstantSDNode>(Op)->getAPIntValue();
1708 KnownZero = ~KnownOne;
1712 ComputeMaskedBits(Op.getOperand(1), KnownZero, KnownOne, Depth+1);
1714 assert((KnownZero & KnownOne)
1694 ComputeMaskedBits(SDValue Op, APInt &KnownZero, APInt &KnownOne, unsigned Depth) const argument
2252 APInt KnownZero, KnownOne; local
2277 APInt KnownZero, KnownOne; local
2328 APInt KnownZero, KnownOne; local
6096 llvm::ComputeMaskedBits(const_cast<GlobalValue*>(GV), KnownZero, KnownOne, local
[all...]
/external/llvm/lib/Target/X86/
H A DX86ISelDAGToDAG.cpp902 APInt KnownZero, KnownOne; local
903 DAG.ComputeMaskedBits(X, KnownZero, KnownOne);
H A DX86ISelLowering.cpp13264 APInt &KnownOne,
13276 KnownZero = KnownOne = APInt(BitWidth, 0); // Don't know anything.
14103 APInt KnownZero, KnownOne; local
14107 TLI.SimplifyDemandedBits(Cond, DemandedMask, KnownZero, KnownOne, TLO))
15628 APInt KnownZero, KnownOne; local
15633 TLI.SimplifyDemandedBits(Op1, DemandedMask, KnownZero, KnownOne, TLO))
13262 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/llvm/lib/Target/XCore/
H A DXCoreISelLowering.cpp1367 APInt KnownZero, KnownOne; local
1370 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1390 APInt KnownZero, KnownOne; local
1393 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1406 APInt KnownZero, KnownOne; local
1409 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1529 APInt &KnownOne,
1532 KnownZero = KnownOne = APInt(KnownZero.getBitWidth(), 0);
1527 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/llvm/lib/Target/CellSPU/
H A DSPUISelLowering.cpp3169 APInt &KnownOne,
3177 // KnownZero = KnownOne = APInt(Mask.getBitWidth(), 0);
3167 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth ) const argument
/external/llvm/lib/Target/PowerPC/
H A DPPCISelLowering.cpp5624 APInt &KnownOne,
5627 KnownZero = KnownOne = APInt(KnownZero.getBitWidth(), 0);
5622 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument
/external/llvm/lib/Target/ARM/
H A DARMISelLowering.cpp8945 APInt KnownZero, KnownOne; local
8946 DAG.ComputeMaskedBits(SDValue(N,0), KnownZero, KnownOne); local
9475 APInt &KnownOne,
9478 KnownZero = KnownOne = APInt(KnownOne.getBitWidth(), 0);
9483 DAG.ComputeMaskedBits(Op.getOperand(0), KnownZero, KnownOne, Depth+1);
9484 if (KnownZero == 0 && KnownOne == 0) return;
9489 KnownOne &= KnownOneRHS;
9473 computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth) const argument

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