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Searched refs:NumSignBits (Results 1 – 12 of 12) sorted by relevance

/llvm-project-15.0.7/llvm/include/llvm/CodeGen/
H A DFunctionLoweringInfo.h159 unsigned NumSignBits : 31; member
163 LiveOutInfo() : NumSignBits(0), IsValid(true) {} in LiveOutInfo()
239 void AddLiveOutRegInfo(Register Reg, unsigned NumSignBits, in AddLiveOutRegInfo() argument
242 if (NumSignBits == 1 && Known.isUnknown()) in AddLiveOutRegInfo()
247 LOI.NumSignBits = NumSignBits; in AddLiveOutRegInfo()
/llvm-project-15.0.7/llvm/lib/CodeGen/SelectionDAG/
H A DFunctionLoweringInfo.cpp423 LOI->NumSignBits = 1; in GetLiveOutRegInfo()
461 DestLOI.NumSignBits = 1; in ComputePHILiveOutRegInfo()
472 DestLOI.NumSignBits = Val.getNumSignBits(); in ComputePHILiveOutRegInfo()
497 DestLOI.NumSignBits = 1; in ComputePHILiveOutRegInfo()
508 DestLOI.NumSignBits = std::min(DestLOI.NumSignBits, Val.getNumSignBits()); in ComputePHILiveOutRegInfo()
526 DestLOI.NumSignBits = std::min(DestLOI.NumSignBits, SrcLOI->NumSignBits); in ComputePHILiveOutRegInfo()
H A DTargetLowering.cpp783 unsigned NumSignBits = in SimplifyMultipleUseDemandedBits() local
786 if (NumSignBits > ShAmt && (NumSignBits - ShAmt) >= (UpperDemandedBits)) in SimplifyMultipleUseDemandedBits()
820 unsigned NumSignBits = DAG.ComputeNumSignBits(Op0, DemandedElts, Depth + 1); in SimplifyMultipleUseDemandedBits() local
821 if (NumSignBits >= (BitWidth - ExBits + 1)) in SimplifyMultipleUseDemandedBits()
1820 unsigned NumSignBits = in SimplifyDemandedBits() local
1823 if (NumSignBits > ShAmt && (NumSignBits - ShAmt) >= (UpperDemandedBits)) in SimplifyDemandedBits()
H A DSelectionDAGISel.cpp718 unsigned NumSignBits = CurDAG->ComputeNumSignBits(Src); in ComputeLiveOutVRegInfo() local
720 FuncInfo->AddLiveOutRegInfo(DestReg, NumSignBits, Known); in ComputeLiveOutVRegInfo()
H A DSelectionDAGBuilder.cpp864 unsigned NumSignBits = LOI->NumSignBits; in getCopyFromRegs() local
882 } else if (NumSignBits > 1) { in getCopyFromRegs()
884 EVT::getIntegerVT(*DAG.getContext(), RegSize - NumSignBits + 1); in getCopyFromRegs()
H A DDAGCombiner.cpp12007 unsigned NumSignBits = DAG.ComputeNumSignBits(Op); in visitSIGN_EXTEND() local
12012 if (NumSignBits > DestBits-MidBits) in visitSIGN_EXTEND()
12017 if (NumSignBits > OpBits-MidBits) in visitSIGN_EXTEND()
12022 if (NumSignBits > OpBits-MidBits) in visitSIGN_EXTEND()
/llvm-project-15.0.7/llvm/lib/Transforms/AggressiveInstCombine/
H A DTruncInstCombine.cpp322 unsigned NumSignBits = ComputeNumSignBits(I->getOperand(0)); in getBestTruncatedType() local
323 MinBitWidth = std::max(MinBitWidth, OrigBitWidth - NumSignBits + 1); in getBestTruncatedType()
/llvm-project-15.0.7/llvm/lib/Analysis/
H A DIVDescriptors.cpp117 auto NumSignBits = ComputeNumSignBits(Exit, DL, 0, AC, nullptr, DT); in computeRecurrenceType() local
119 MaxBitWidth = NumTypeBits - NumSignBits; in computeRecurrenceType()
H A DInstructionSimplify.cpp1463 unsigned NumSignBits = ComputeNumSignBits(Op0, Q.DL, 0, Q.AC, Q.CxtI, Q.DT); in simplifyAShrInst() local
1464 if (NumSignBits == Op0->getType()->getScalarSizeInBits()) in simplifyAShrInst()
/llvm-project-15.0.7/llvm/lib/Transforms/InstCombine/
H A DInstCombineAndOrXor.cpp2398 unsigned NumSignBits = ComputeNumSignBits(A); in getSelectCondition() local
2399 if (NumSignBits == A->getType()->getScalarSizeInBits() && in getSelectCondition()
2400 NumSignBits <= Ty->getScalarSizeInBits()) in getSelectCondition()
/llvm-project-15.0.7/llvm/lib/Target/X86/
H A DX86ISelLowering.cpp41703 unsigned NumSignBits = in SimplifyDemandedBitsForTargetNode() local
41707 if (NumSignBits > ShAmt && (NumSignBits - ShAmt) >= UpperDemandedBits) in SimplifyDemandedBitsForTargetNode()
41759 unsigned NumSignBits = in SimplifyDemandedBitsForTargetNode() local
41761 if (ShAmt < NumSignBits) in SimplifyDemandedBitsForTargetNode()
42096 unsigned NumSignBits = DAG.ComputeNumSignBits(Op0, DemandedElts, Depth + 1); in SimplifyMultipleUseDemandedBitsForTargetNode() local
42098 if (NumSignBits > ShAmt && (NumSignBits - ShAmt) >= UpperDemandedBits) in SimplifyMultipleUseDemandedBitsForTargetNode()
50286 unsigned NumSignBits = DAG.ComputeNumSignBits(In); in combineVectorSignBitsTruncation() local
50291 if (SVT == MVT::i32 && NumSignBits != InSVT.getSizeInBits()) in combineVectorSignBitsTruncation()
50295 if (NumSignBits > MinSignBits) in combineVectorSignBitsTruncation()
52721 unsigned NumSignBits = DAG.ComputeNumSignBits(Op0); in combineSIntToFP() local
[all …]
/llvm-project-15.0.7/llvm/lib/Transforms/Vectorize/
H A DSLPVectorizer.cpp9864 auto NumSignBits = ComputeNumSignBits(Scalar, *DL, 0, AC, nullptr, DT); in computeMinimumValueSizes() local
9866 MaxBitWidth = std::max<unsigned>(NumTypeBits - NumSignBits, MaxBitWidth); in computeMinimumValueSizes()