LLVM 17.0.0git
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#include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
Public Types | |
enum | LegalizeResult { AlreadyLegal , Legalized , UnableToLegalize } |
Public Attributes | |
MachineIRBuilder & | MIRBuilder |
Expose MIRBuilder so clients can set their own RecordInsertInstruction functions. | |
GISelChangeObserver & | Observer |
To keep track of changes made by the LegalizerHelper. | |
Definition at line 47 of file LegalizerHelper.h.
Enumerator | |
---|---|
AlreadyLegal | Instruction was already legal and no change was made to the MachineFunction. |
Legalized | Instruction has been legalized and the MachineFunction changed. |
UnableToLegalize | Some kind of error has occurred and we could not legalize this instruction. |
Definition at line 63 of file LegalizerHelper.h.
LegalizerHelper::LegalizerHelper | ( | MachineFunction & | MF, |
GISelChangeObserver & | Observer, | ||
MachineIRBuilder & | B | ||
) |
Definition at line 102 of file LegalizerHelper.cpp.
References Builder.
LegalizerHelper::LegalizerHelper | ( | MachineFunction & | MF, |
const LegalizerInfo & | LI, | ||
GISelChangeObserver & | Observer, | ||
MachineIRBuilder & | B, | ||
GISelKnownBits * | KB = nullptr |
||
) |
Definition at line 109 of file LegalizerHelper.cpp.
LegalizerHelper::LegalizeResult LegalizerHelper::bitcast | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Legalize an instruction by replacing the value type.
Definition at line 3199 of file LegalizerHelper.cpp.
References bitcastDst(), bitcastExtractVectorElt(), bitcastInsertVectorElt(), bitcastSrc(), llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::dbgs(), llvm::MachineMemOperand::getMemoryType(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::LLT::isVector(), Legalized, LLVM_DEBUG, MI, Observer, llvm::MachineMemOperand::setType(), and UnableToLegalize.
Referenced by legalizeInstrStep().
void LegalizerHelper::bitcastDst | ( | MachineInstr & | MI, |
LLT | CastTy, | ||
unsigned | OpIdx | ||
) |
Legalize a single operand OpIdx
of the machine instruction MI
as a def by inserting a G_BITCAST from CastTy
.
Definition at line 1501 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildBitcast(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineIRBuilder::getInsertPt(), llvm::MachineIRBuilder::getMBB(), MI, MIRBuilder, llvm::MachineIRBuilder::setInsertPt(), and llvm::MachineOperand::setReg().
Referenced by bitcast(), and llvm::AMDGPULegalizerInfo::legalizeSBufferLoad().
LegalizerHelper::LegalizeResult LegalizerHelper::bitcastExtractVectorElt | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | CastTy | ||
) |
Perform Bitcast legalize action on G_EXTRACT_VECTOR_ELT.
Perform a G_EXTRACT_VECTOR_ELT in a different sized vector element.
If this is casting to a vector with a smaller element size, perform multiple element extracts and merge the results. If this is coercing to a vector with larger elements, index the bitcasted vector and extract the target element with bit operations. This is intended to force the indexing in the native register size for architectures that can dynamically index the register file.
Definition at line 2767 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildBitcast(), llvm::MachineIRBuilder::buildBuildVector(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildExtractVectorElement(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildMul(), llvm::MachineIRBuilder::buildTrunc(), getBitcastWiderVectorElementOffset(), llvm::LLT::getElementType(), llvm::ElementCount::getFixed(), llvm::LLT::getNumElements(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getSizeInBits(), I, Idx, llvm::isPowerOf2_32(), llvm::LLT::isVector(), Legalized, llvm::Log2_32(), MI, MIRBuilder, llvm::LLT::scalarOrVector(), and UnableToLegalize.
Referenced by bitcast().
LegalizerHelper::LegalizeResult LegalizerHelper::bitcastInsertVectorElt | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | CastTy | ||
) |
Perform Bitcast legalize action on G_INSERT_VECTOR_ELT.
Perform a G_INSERT_VECTOR_ELT in a different sized vector element.
If this is increasing the element size, perform the indexing in the target element type, and use bit operations to insert at the element position. This is intended for architectures that can dynamically index the register file and want to force indexing in the native register size.
Definition at line 2903 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildBitcast(), buildBitFieldInsert(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildExtractVectorElement(), llvm::MachineIRBuilder::buildInsertVectorElement(), llvm::MachineIRBuilder::buildLShr(), getBitcastWiderVectorElementOffset(), llvm::LLT::getElementType(), llvm::LLT::getNumElements(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getSizeInBits(), Idx, llvm::isPowerOf2_32(), llvm::LLT::isVector(), Legalized, llvm::Log2_32(), MI, MIRBuilder, and UnableToLegalize.
Referenced by bitcast().
void LegalizerHelper::bitcastSrc | ( | MachineInstr & | MI, |
LLT | CastTy, | ||
unsigned | OpIdx | ||
) |
Legalize a single operand OpIdx
of the machine instruction MI
as a use by inserting a G_BITCAST to CastTy
.
Definition at line 1496 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildBitcast(), llvm::MachineInstrBuilder::getReg(), MI, and MIRBuilder.
Referenced by bitcast().
Cast the given value to an LLT::scalar with an equivalent size.
Returns the register to use if an instruction was inserted. Returns the original register if no coercion was necessary.
Definition at line 1425 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildBitcast(), llvm::MachineIRBuilder::buildPtrToInt(), DL, llvm::LLT::getAddressSpace(), llvm::MachineIRBuilder::getDataLayout(), llvm::LLT::getElementType(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::LLT::isPointer(), llvm::LLT::isScalar(), llvm::LLT::isVector(), MIRBuilder, and llvm::LLT::scalar().
Referenced by lowerUnmergeValues().
MachineInstrBuilder LegalizerHelper::createStackTemporary | ( | TypeSize | Bytes, |
Align | Alignment, | ||
MachinePointerInfo & | PtrInfo | ||
) |
Create a stack temporary based on the size in bytes and the alignment.
Definition at line 3565 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildFrameIndex(), llvm::MachineFrameInfo::CreateStackObject(), DL, llvm::MachineIRBuilder::getDataLayout(), llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineIRBuilder::getMF(), MIRBuilder, and llvm::LLT::pointer().
Referenced by lowerExtractInsertVectorElt().
LegalizerHelper::LegalizeResult LegalizerHelper::equalizeVectorShuffleLengths | ( | MachineInstr & | MI | ) |
Equalize source and destination vector sizes of G_SHUFFLE_VECTOR.
Definition at line 4945 of file LegalizerHelper.cpp.
References llvm::alignTo(), llvm::MachineIRBuilder::buildBuildVector(), llvm::MachineIRBuilder::buildConcatVectors(), llvm::MachineIRBuilder::buildExtractVectorElementConstant(), llvm::MachineIRBuilder::buildShuffleVector(), llvm::MachineIRBuilder::buildUndef(), llvm::LLT::fixed_vector(), llvm::LLT::getElementType(), llvm::LLT::getNumElements(), llvm::MachineInstrBuilder::getReg(), I, Idx, Legalized, MI, MIRBuilder, moreElementsVectorDst(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::MachineIRBuilder::setInstrAndDebugLoc().
Referenced by moreElementsVectorShuffle().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVector | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Legalize a vector instruction by splitting into multiple components, each acting on the same scalar type as the original but with fewer elements.
Definition at line 4127 of file LegalizerHelper.cpp.
References assert(), fewerElementsVectorExtractInsertVectorElt(), fewerElementsVectorMerge(), fewerElementsVectorMultiEltType(), fewerElementsVectorPhi(), fewerElementsVectorReductions(), fewerElementsVectorShuffle(), fewerElementsVectorUnmergeValues(), llvm::LLT::getNumElements(), llvm::MachineRegisterInfo::getType(), GISEL_VECREDUCE_CASES_NONSEQ, llvm::LLT::isVector(), MI, reduceLoadStoreWidth(), and UnableToLegalize.
Referenced by llvm::AMDGPURegisterBankInfo::applyMappingLoad(), and legalizeInstrStep().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVectorExtractInsertVectorElt | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Definition at line 3958 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildExtractVectorElement(), llvm::MachineIRBuilder::buildInsertVectorElement(), llvm::MachineIRBuilder::buildUndef(), llvm::getIConstantVRegValWithLookThrough(), llvm::LLT::getNumElements(), llvm::MachineRegisterInfo::getType(), Idx, llvm::LLT::isVector(), Legalized, lowerExtractInsertVectorElt(), MI, MIRBuilder, and UnableToLegalize.
Referenced by fewerElementsVector().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVectorMerge | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Definition at line 3872 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildUnmerge(), llvm::LLT::getNumElements(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getScalarType(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::LLT::isVector(), Legalized, MI, MIRBuilder, llvm::Offset, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and UnableToLegalize.
Referenced by fewerElementsVector().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVectorMultiEltType | ( | GenericMachineInstr & | MI, |
unsigned | NumElts, | ||
std::initializer_list< unsigned > | NonVecOpIndices = {} |
||
) |
Handles most opcodes.
Split MI
into same instruction on sub-vectors or scalars with NumElts
elements (1 for scalar). Supports uneven splits: there can be leftover sub-vector with fewer then NumElts
or a leftover scalar. To avoid this use moreElements first and set MI number of elements to multiple of NumElts
. Non-vector operands that should be used on all sub-instructions without split are listed in NonVecOpIndices
.
Definition at line 3705 of file LegalizerHelper.cpp.
References assert(), broadcastSrcOp(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::LLT::getNumElements(), llvm::MachineRegisterInfo::getType(), hasSameNumEltsOnAllVectorOperands(), I, llvm::is_contained(), Legalized, makeDstOps(), MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::size(), and Uses.
Referenced by fewerElementsVector().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVectorPhi | ( | GenericMachineInstr & | MI, |
unsigned | NumElts | ||
) |
Definition at line 3775 of file LegalizerHelper.cpp.
References llvm::MachineInstrBuilder::addDef(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineBasicBlock::getFirstTerminatorForward(), llvm::LLT::getNumElements(), llvm::MachineRegisterInfo::getType(), Legalized, makeDstOps(), MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::MachineIRBuilder::setInsertPt().
Referenced by fewerElementsVector().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVectorReductions | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Definition at line 4462 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildInstr(), llvm::SmallVectorImpl< T >::clear(), llvm::SmallVectorImpl< T >::emplace_back(), llvm::LLT::getNumElements(), getReg(), llvm::MachineInstrBuilder::getReg(), getScalarOpcForReduction(), Idx, llvm::isPowerOf2_32(), llvm::LLT::isScalar(), llvm::LLT::isVector(), Legalized, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by fewerElementsVector().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVectorShuffle | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Definition at line 4276 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildBuildVector(), llvm::MachineIRBuilder::buildConcatVectors(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildShuffleVector(), llvm::MachineIRBuilder::buildUndef(), llvm::LLT::changeElementCount(), llvm::SmallVectorImpl< T >::clear(), llvm::LLT::getElementType(), llvm::LLT::getNumElements(), getReg(), llvm::MachineInstrBuilder::getReg(), llvm::Hi, High, Idx, llvm::isPowerOf2_32(), Legalized, llvm::Lo, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::LLT::scalar(), and UnableToLegalize.
Referenced by fewerElementsVector().
LegalizerHelper::LegalizeResult LegalizerHelper::fewerElementsVectorUnmergeValues | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Definition at line 3823 of file LegalizerHelper.cpp.
References llvm::MachineInstrBuilder::addDef(), llvm::MachineInstrBuilder::addUse(), assert(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildUnmerge(), llvm::MachineInstr::getNumOperands(), llvm::LLT::getScalarType(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), I, llvm::LLT::isVector(), Legalized, MI, MIRBuilder, and UnableToLegalize.
Referenced by fewerElementsVector().
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inline |
Definition at line 79 of file LegalizerHelper.h.
Referenced by llvm::AMDGPULegalizerInfo::buildMultiply().
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inline |
Expose LegalizerInfo so the clients can re-use.
Definition at line 77 of file LegalizerHelper.h.
Return the alignment to use for a stack temporary object with the given type.
Definition at line 3554 of file LegalizerHelper.cpp.
References llvm::LLT::getSizeInBytes(), llvm::MinAlign(), and llvm::PowerOf2Ceil().
Referenced by lowerExtractInsertVectorElt().
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inline |
Definition at line 78 of file LegalizerHelper.h.
Get a pointer to vector element Index
located in memory for a vector of type VecTy
starting at a base address of VecPtr
.
If Index
is out of bounds the returned pointer is unspecified, but will be within the vector bounds.
Definition at line 3595 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildMul(), llvm::MachineIRBuilder::buildPtrAdd(), clampDynamicVectorIndex(), llvm::LLT::getElementType(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), MIRBuilder, and llvm::Mul.
Referenced by lowerExtractInsertVectorElt().
LegalizerHelper::LegalizeResult LegalizerHelper::legalizeInstrStep | ( | MachineInstr & | MI, |
LostDebugLocObserver & | LocObserver | ||
) |
Replace MI
by a sequence of legal instructions that can implement the same operation.
Note that this means MI
may be deleted, so any iterator steps should be performed before calling this function. Helper
should be initialized to the MachineFunction containing MI
.
Considered as an opaque blob, the legal code will use and define the same registers as MI
.
Definition at line 116 of file LegalizerHelper.cpp.
References AlreadyLegal, bitcast(), llvm::LegalizeActions::Bitcast, llvm::LegalizeActions::Custom, llvm::dbgs(), llvm::LegalizeActions::FewerElements, fewerElementsVector(), llvm::LegalizerInfo::getAction(), llvm::IRSimilarity::Legal, llvm::LegalizerInfo::legalizeCustom(), Legalized, llvm::LegalizerInfo::legalizeIntrinsic(), llvm::LegalizeActions::Libcall, libcall, LLVM_DEBUG, lower(), llvm::Lower, MI, MIRBuilder, llvm::LegalizeActions::MoreElements, moreElementsVector(), narrowScalar(), llvm::LegalizeActions::NarrowScalar, llvm::MachineIRBuilder::setInstrAndDebugLoc(), UnableToLegalize, widenScalar(), and llvm::LegalizeActions::WidenScalar.
Referenced by llvm::Legalizer::legalizeMachineFunction().
LegalizerHelper::LegalizeResult LegalizerHelper::libcall | ( | MachineInstr & | MI, |
LostDebugLocObserver & | LocObserver | ||
) |
Legalize an instruction by emiting a runtime library call instead.
Definition at line 799 of file LegalizerHelper.cpp.
References conversionLibcall(), llvm::createMemLibcall(), llvm::dbgs(), llvm::IntegerType::get(), llvm::Function::getContext(), llvm::Type::getDoubleTy(), llvm::Type::getFloatTy(), getFloatTypeForLLT(), llvm::MachineFunction::getFunction(), llvm::Type::getInt32Ty(), llvm::Type::getInt64Ty(), llvm::MachineIRBuilder::getMF(), llvm::MachineIRBuilder::getMRI(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), Legalized, LLVM_DEBUG, MI, MIRBuilder, simpleLibcall(), Size, and UnableToLegalize.
LegalizerHelper::LegalizeResult LegalizerHelper::lower | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Legalize an instruction by splitting it into simpler parts, hopefully understood by the target.
Definition at line 3276 of file LegalizerHelper.cpp.
References Addr, assert(), llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildAtomicCmpXchg(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildFAdd(), llvm::MachineIRBuilder::buildFNeg(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildMul(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildStrictFAdd(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildXor(), llvm::MachineIRBuilder::buildZExt(), llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineIRBuilder::getInsertPt(), llvm::MachineIRBuilder::getMBB(), llvm::LLT::getScalarSizeInBits(), llvm::APInt::getSignMask(), llvm::LLT::getSizeInBits(), llvm::MachineIRBuilder::getTII(), llvm::MachineRegisterInfo::getType(), GISEL_VECREDUCE_CASES_NONSEQ, llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_ULT, llvm::LegalizerInfo::isLegalOrCustom(), llvm::LLT::isVector(), Legalized, LHS, lowerAbsToAddXor(), lowerAddSubSatToAddoSubo(), lowerAddSubSatToMinMax(), lowerBitcast(), lowerBitCount(), lowerBitreverse(), lowerBswap(), lowerDIVREM(), lowerDynStackAlloc(), lowerExtract(), lowerExtractInsertVectorElt(), lowerFConstant(), lowerFCopySign(), lowerFFloor(), lowerFMad(), lowerFMinNumMaxNum(), lowerFPOWI(), lowerFPTOSI(), lowerFPTOUI(), lowerFPTRUNC(), lowerFunnelShift(), lowerInsert(), lowerIntrinsicRound(), lowerISFPCLASS(), lowerLoad(), lowerMemCpyFamily(), lowerMergeValues(), lowerMinMax(), lowerReadWriteRegister(), lowerRotate(), lowerSADDO_SSUBO(), lowerSelect(), lowerShlSat(), lowerShuffleVector(), lowerSITOFP(), lowerSMULH_UMULH(), lowerStore(), lowerUITOFP(), lowerUnmergeValues(), lowerVectorReduction(), MI, MIRBuilder, Observer, RHS, llvm::MachineIRBuilder::setInsertPt(), TII, and UnableToLegalize.
Referenced by applyVectorSextInReg(), and legalizeInstrStep().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerAbsToAddXor | ( | MachineInstr & | MI | ) |
Definition at line 7476 of file LegalizerHelper.cpp.
References llvm::Add, llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildXor(), llvm::LLT::getScalarSizeInBits(), llvm::MachineRegisterInfo::getType(), Legalized, MI, and MIRBuilder.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerAbsToMaxNeg | ( | MachineInstr & | MI | ) |
Definition at line 7493 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildSMax(), llvm::MachineIRBuilder::buildSub(), llvm::MachineInstrBuilder::getReg(), llvm::MachineRegisterInfo::getType(), Legalized, MI, and MIRBuilder.
Referenced by llvm::AMDGPURegisterBankInfo::applyMappingImpl().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerAddSubSatToAddoSubo | ( | MachineInstr & | MI | ) |
Definition at line 7028 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildSelect(), llvm::LLT::changeElementSize(), llvm::LLT::getScalarSizeInBits(), llvm::APInt::getSignedMinValue(), llvm::MachineRegisterInfo::getType(), Legalized, LHS, llvm_unreachable, MI, MIRBuilder, and RHS.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerAddSubSatToMinMax | ( | MachineInstr & | MI | ) |
Definition at line 6953 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildNot(), llvm::MachineIRBuilder::buildSMax(), llvm::MachineIRBuilder::buildSMin(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildUMin(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getScalarSizeInBits(), llvm::APInt::getSignedMaxValue(), llvm::APInt::getSignedMinValue(), llvm::MachineRegisterInfo::getType(), llvm::Hi, Legalized, LHS, llvm_unreachable, llvm::Lo, MI, MIRBuilder, and RHS.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerBitcast | ( | MachineInstr & | MI | ) |
Definition at line 2675 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildBitcast(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::LLT::fixed_vector(), llvm::LLT::getElementType(), llvm::LLT::getNumElements(), llvm::MachineInstrBuilder::getReg(), getUnmergePieces(), llvm::LLT::isVector(), Legalized, MI, MIRBuilder, and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerBitCount | ( | MachineInstr & | MI | ) |
Definition at line 5645 of file LegalizerHelper.cpp.
References llvm::LegalizeActionStep::Action, assert(), B, llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildCTLZ(), llvm::MachineIRBuilder::buildCTLZ_ZERO_UNDEF(), llvm::MachineIRBuilder::buildCTPOP(), llvm::MachineIRBuilder::buildCTTZ_ZERO_UNDEF(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildXor(), llvm::GISelChangeObserver::changedInstr(), llvm::LLT::changeElementSize(), llvm::GISelChangeObserver::changingInstr(), llvm::LegalizeActions::Custom, llvm::LegalizerInfo::getAction(), llvm::LLT::getSizeInBits(), llvm::APInt::getSplat(), llvm::MachineIRBuilder::getTII(), llvm::MachineRegisterInfo::getType(), llvm::CmpInst::ICMP_EQ, llvm::IRSimilarity::Legal, Legalized, llvm::LegalizeActions::Libcall, MI, MIRBuilder, Observer, llvm::PowerOf2Ceil(), Size, TII, and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerBitreverse | ( | MachineInstr & | MI | ) |
Definition at line 7170 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildInstr(), llvm::LLT::getSizeInBits(), llvm::APInt::getSplat(), llvm::MachineRegisterInfo::getType(), Legalized, MI, MIRBuilder, Size, and SwapN().
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerBswap | ( | MachineInstr & | MI | ) |
Definition at line 7125 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildShl(), llvm::LLT::getScalarSizeInBits(), llvm::MachineRegisterInfo::getType(), Legalized, MI, and MIRBuilder.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerDIVREM | ( | MachineInstr & | MI | ) |
Definition at line 7459 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildInstr(), getReg(), Legalized, MI, and MIRBuilder.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerDynStackAlloc | ( | MachineInstr & | MI | ) |
Definition at line 6738 of file LegalizerHelper.cpp.
References llvm::Alloc, llvm::assumeAligned(), llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildCast(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildSub(), llvm::LLT::getSizeInBits(), llvm::TargetLoweringBase::getStackPointerRegisterToSaveRestore(), llvm::MachineRegisterInfo::getType(), Legalized, MI, MIRBuilder, llvm::APInt::negate(), llvm::LLT::scalar(), llvm::TargetFrameLowering::StackGrowsUp, UnableToLegalize, and llvm::Align::value().
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerExtract | ( | MachineInstr & | MI | ) |
Definition at line 6775 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildBitcast(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildTrunc(), llvm::MachineIRBuilder::buildUnmerge(), llvm::LLT::getElementType(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getSizeInBits(), Idx, llvm::LLT::isScalar(), llvm::LLT::isVector(), Legalized, MI, MIRBuilder, llvm::Offset, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::LLT::scalar(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerExtractInsertVectorElt | ( | MachineInstr & | MI | ) |
Lower a vector extract or insert by writing the vector to a stack temporary and reloading the element or vector.
dst = G_EXTRACT_VECTOR_ELT vec, idx => stack_temp = G_FRAME_INDEX G_STORE vec, stack_temp idx = clamp(idx, vec.getNumElements()) element_ptr = G_PTR_ADD stack_temp, idx dst = G_LOAD element_ptr
Definition at line 6613 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildLoad(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildStore(), llvm::commonAlignment(), createStackTemporary(), llvm::dbgs(), llvm::TypeSize::Fixed(), llvm::LLT::getAddressSpace(), llvm::LLT::getElementType(), llvm::LLT::getNumElements(), llvm::LLT::getSizeInBytes(), getStackTemporaryAlignment(), llvm::MachineRegisterInfo::getType(), getVectorElementPointer(), llvm::MachinePointerInfo::getWithOffset(), Idx, llvm::LLT::isByteSized(), Legalized, LLVM_DEBUG, llvm::MIPatternMatch::m_ICst(), MI, llvm::MIPatternMatch::mi_match(), MIRBuilder, llvm::Offset, and UnableToLegalize.
Referenced by fewerElementsVectorExtractInsertVectorElt(), and lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFConstant | ( | MachineInstr & | MI | ) |
Definition at line 2649 of file LegalizerHelper.cpp.
References Addr, llvm::MachineIRBuilder::buildConstantPool(), llvm::MachineIRBuilder::buildLoadInstr(), DL, llvm::MachineFunction::getConstantPool(), llvm::MachinePointerInfo::getConstantPool(), llvm::MachineConstantPool::getConstantPoolIndex(), llvm::Function::getContext(), llvm::MachineIRBuilder::getDataLayout(), getFloatTypeForLLT(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineIRBuilder::getMF(), llvm::MachineRegisterInfo::getType(), Legalized, MI, MIRBuilder, llvm::MachineMemOperand::MOLoad, and llvm::LLT::pointer().
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFCopySign | ( | MachineInstr & | MI | ) |
Definition at line 6398 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildTrunc(), llvm::MachineIRBuilder::buildZExt(), Flags, llvm::APInt::getLowBitsSet(), llvm::MachineInstrBuilder::getReg(), llvm::APInt::getSignMask(), Legalized, MI, and MIRBuilder.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFFloor | ( | MachineInstr & | MI | ) |
Definition at line 6509 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildFAdd(), llvm::MachineIRBuilder::buildFCmp(), llvm::MachineIRBuilder::buildFConstant(), llvm::MachineIRBuilder::buildIntrinsicTrunc(), llvm::MachineIRBuilder::buildSITOFP(), llvm::LLT::changeElementSize(), llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_ONE, Flags, llvm::MachineRegisterInfo::getType(), Legalized, MI, and MIRBuilder.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFMad | ( | MachineInstr & | MI | ) |
Definition at line 6464 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildFAdd(), llvm::MachineIRBuilder::buildFMul(), Flags, llvm::MachineRegisterInfo::getType(), Legalized, MI, MIRBuilder, and llvm::Mul.
Referenced by llvm::AMDGPULegalizerInfo::legalizeFMad(), and lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFMinNumMaxNum | ( | MachineInstr & | MI | ) |
Definition at line 6436 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildFCanonicalize(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineInstr::FmNoNans, llvm::MachineInstrBuilder::getReg(), llvm::MachineRegisterInfo::getType(), llvm::isKnownNeverSNaN(), Legalized, MI, and MIRBuilder.
Referenced by llvm::AMDGPULegalizerInfo::legalizeMinNumMaxNum(), and lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFPOWI | ( | MachineInstr & | MI | ) |
Definition at line 6359 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildFPow(), llvm::MachineIRBuilder::buildSITOFP(), llvm::MachineRegisterInfo::getType(), Legalized, MI, and MIRBuilder.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFPTOSI | ( | MachineInstr & | MI | ) |
Definition at line 6177 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildSExt(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildXor(), llvm::MachineIRBuilder::buildZExt(), llvm::Exponent, llvm::LLT::getScalarSizeInBits(), llvm::LLT::getScalarType(), llvm::APInt::getSignMask(), llvm::CmpInst::ICMP_SGT, llvm::CmpInst::ICMP_SLT, Legalized, MI, MIRBuilder, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFPTOUI | ( | MachineInstr & | MI | ) |
Definition at line 6137 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildFCmp(), llvm::MachineIRBuilder::buildFConstant(), llvm::MachineIRBuilder::buildFPTOSI(), llvm::MachineIRBuilder::buildFSub(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildXor(), llvm::APFloat::convertFromAPInt(), llvm::CmpInst::FCMP_ULT, llvm::APInt::getSignMask(), llvm::LLT::getSizeInBits(), llvm::APInt::getZero(), llvm::APFloatBase::IEEEdouble(), llvm::APFloatBase::IEEEsingle(), Legalized, MI, MIRBuilder, llvm::APFloatBase::rmNearestTiesToEven, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFPTRUNC | ( | MachineInstr & | MI | ) |
Definition at line 6346 of file LegalizerHelper.cpp.
References llvm::LLT::getScalarType(), lowerFPTRUNC_F64_TO_F16(), MI, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFPTRUNC_F64_TO_F16 | ( | MachineInstr & | MI | ) |
Definition at line 6243 of file LegalizerHelper.cpp.
References B, llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildSMax(), llvm::MachineIRBuilder::buildSMin(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildTrunc(), llvm::MachineIRBuilder::buildUnmerge(), llvm::MachineIRBuilder::buildZExt(), D, E, llvm::MachineRegisterInfo::getType(), I, llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_SGT, llvm::CmpInst::ICMP_SLT, llvm::LLT::isVector(), Legalized, MI, MIRBuilder, N, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lowerFPTRUNC().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFunnelShift | ( | MachineInstr & | MI | ) |
Definition at line 5909 of file LegalizerHelper.cpp.
References llvm::LegalizerInfo::getAction(), llvm::MachineRegisterInfo::getType(), and MI.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFunnelShiftAsShifts | ( | MachineInstr & | MI | ) |
Definition at line 5854 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildNot(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildURem(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getScalarSizeInBits(), llvm::MachineRegisterInfo::getType(), isNonZeroModBitWidthOrUndef(), llvm::isPowerOf2_32(), Legalized, MI, MIRBuilder, X, and Y.
LegalizerHelper::LegalizeResult LegalizerHelper::lowerFunnelShiftWithInverse | ( | MachineInstr & | MI | ) |
Definition at line 5815 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildNot(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildSub(), getReg(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getScalarSizeInBits(), llvm::MachineRegisterInfo::getType(), isNonZeroModBitWidthOrUndef(), llvm::isPowerOf2_32(), Legalized, MI, MIRBuilder, UnableToLegalize, X, and Y.
LegalizerHelper::LegalizeResult LegalizerHelper::lowerInsert | ( | MachineInstr & | MI | ) |
Definition at line 6829 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildCast(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildPtrToInt(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildUnmerge(), llvm::MachineIRBuilder::buildZExt(), llvm::dbgs(), DL, llvm::LLT::getAddressSpace(), llvm::APInt::getBitsSetWithWrap(), llvm::MachineIRBuilder::getDataLayout(), llvm::LLT::getElementType(), llvm::LLT::getNumElements(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), Idx, llvm::LLT::isPointer(), llvm::LLT::isScalar(), llvm::LLT::isVector(), Legalized, LLVM_DEBUG, MI, MIRBuilder, llvm::Offset, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerIntrinsicRound | ( | MachineInstr & | MI | ) |
Definition at line 6478 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildFAbs(), llvm::MachineIRBuilder::buildFAdd(), llvm::MachineIRBuilder::buildFCmp(), llvm::MachineIRBuilder::buildFConstant(), llvm::MachineIRBuilder::buildFCopysign(), llvm::MachineIRBuilder::buildFSub(), llvm::MachineIRBuilder::buildIntrinsicTrunc(), llvm::MachineIRBuilder::buildSelect(), llvm::LLT::changeElementSize(), llvm::CmpInst::FCMP_OGE, Flags, llvm::MachineRegisterInfo::getType(), Legalized, MI, MIRBuilder, and X.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerISFPCLASS | ( | MachineInstr & | MI | ) |
Definition at line 7248 of file LegalizerHelper.cpp.
References llvm::APFloat::bitcastToAPInt(), llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildXor(), llvm::fcAllFlags, llvm::fcFinite, llvm::fcInf, llvm::fcNan, llvm::fcNegFinite, llvm::fcNegNormal, llvm::fcNegSubnormal, llvm::fcNone, llvm::fcNormal, llvm::fcPosFinite, llvm::fcPosInf, llvm::fcPosNormal, llvm::fcPosSubnormal, llvm::fcPosZero, llvm::fcQNan, llvm::fcSubnormal, llvm::fcZero, llvm::APInt::getActiveBits(), llvm::APInt::getAllOnes(), llvm::LLT::getElementCount(), llvm::getFltSemanticForLLT(), llvm::APFloat::getInf(), llvm::APFloat::getLargest(), llvm::APInt::getOneBitSet(), llvm::LLT::getScalarSizeInBits(), llvm::LLT::getScalarType(), llvm::APInt::getSignedMaxValue(), llvm::APInt::getSignMask(), llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_UGE, llvm::CmpInst::ICMP_UGT, llvm::CmpInst::ICMP_ULT, llvm::LLT::isVector(), Legalized, MI, MIRBuilder, llvm::LLT::scalar(), llvm::APInt::shl(), and llvm::LLT::vector().
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerLoad | ( | GAnyLoad & | MI | ) |
Definition at line 2962 of file LegalizerHelper.cpp.
References llvm::TargetLoweringBase::allowsMemoryAccess(), assert(), llvm::bit_floor(), llvm::MachineIRBuilder::buildAssertZExt(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildIntToPtr(), llvm::MachineIRBuilder::buildLoad(), llvm::MachineIRBuilder::buildLoadInstr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildPtrAdd(), llvm::MachineIRBuilder::buildSExtInReg(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildTrunc(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineInstr::eraseFromParent(), llvm::Function::getContext(), llvm::MachineIRBuilder::getDataLayout(), llvm::GAnyLoad::getDstReg(), llvm::LLT::getElementType(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineMemOperand::getMemoryType(), llvm::MachineIRBuilder::getMF(), llvm::GLoadStore::getMMO(), llvm::MachineInstr::getOpcode(), llvm::MachineMemOperand::getPointerInfo(), llvm::GLoadStore::getPointerReg(), llvm::LLT::getSizeInBits(), llvm::LLT::getSizeInBytes(), llvm::MachineRegisterInfo::getType(), llvm::DataLayout::isBigEndian(), llvm::LLT::isPointer(), llvm::isPowerOf2_32(), llvm::LLT::isVector(), Legalized, MIRBuilder, llvm::PowerOf2Ceil(), reduceLoadStoreWidth(), llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerMemCpyFamily | ( | MachineInstr & | MI, |
unsigned | MaxLen = 0 |
||
) |
Definition at line 8008 of file LegalizerHelper.cpp.
References assert(), llvm::getIConstantVRegValWithLookThrough(), llvm::TargetLoweringBase::getMaxStoresPerMemcpy(), Legalized, MI, shouldLowerMemFuncForSize(), and UnableToLegalize.
Referenced by lower(), and llvm::CombinerHelper::tryCombineMemCpyFamily().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerMemcpyInline | ( | MachineInstr & | MI | ) |
Definition at line 7755 of file LegalizerHelper.cpp.
References assert(), llvm::getIConstantVRegValWithLookThrough(), Legalized, and MI.
LegalizerHelper::LegalizeResult LegalizerHelper::lowerMergeValues | ( | MachineInstr & | MI | ) |
Definition at line 6535 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildIntToPtr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildZExt(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::dbgs(), llvm::MachineIRBuilder::getDataLayout(), llvm::MachineInstrBuilder::getReg(), I, llvm::DataLayout::isNonIntegralAddressSpace(), Legalized, LLVM_DEBUG, MI, MIRBuilder, llvm::Offset, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerMinMax | ( | MachineInstr & | MI | ) |
Definition at line 6384 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildSelect(), llvm::LLT::changeElementSize(), llvm::MachineRegisterInfo::getType(), Legalized, MI, minMaxToCompare(), and MIRBuilder.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerReadWriteRegister | ( | MachineInstr & | MI | ) |
Definition at line 7200 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildCopy(), llvm::StringRef::data(), llvm::MachineIRBuilder::getMF(), llvm::TargetLowering::getRegisterByName(), llvm::MDString::getString(), llvm::MachineRegisterInfo::getType(), llvm::Register::isValid(), Legalized, MI, MIRBuilder, and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerRotate | ( | MachineInstr & | MI | ) |
Definition at line 5944 of file LegalizerHelper.cpp.
References llvm::LegalizerInfo::isLegalOrCustom(), MI, MIRBuilder, and llvm::MachineIRBuilder::setInstrAndDebugLoc().
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerRotateWithReverseRotate | ( | MachineInstr & | MI | ) |
Definition at line 5933 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildSub(), Legalized, MI, and MIRBuilder.
LegalizerHelper::LegalizeResult LegalizerHelper::lowerSADDO_SSUBO | ( | MachineInstr & | MI | ) |
Definition at line 6919 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildXor(), llvm::CmpInst::ICMP_SGT, llvm::CmpInst::ICMP_SLT, Legalized, LHS, MI, MIRBuilder, and RHS.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerSelect | ( | MachineInstr & | MI | ) |
Definition at line 7406 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildIntToPtr(), llvm::MachineIRBuilder::buildNot(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildPtrToInt(), llvm::MachineIRBuilder::buildSExtInReg(), llvm::MachineIRBuilder::buildSExtOrTrunc(), llvm::MachineIRBuilder::buildShuffleSplat(), llvm::LLT::changeElementType(), llvm::MachineInstrBuilder::getReg(), Legalized, MI, MIRBuilder, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerShlSat | ( | MachineInstr & | MI | ) |
Definition at line 7094 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildShl(), llvm::LLT::changeElementSize(), llvm::APInt::getMaxValue(), llvm::LLT::getScalarSizeInBits(), llvm::APInt::getSignedMaxValue(), llvm::APInt::getSignedMinValue(), llvm::MachineRegisterInfo::getType(), llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_SLT, Legalized, LHS, MI, MIRBuilder, and RHS.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerShuffleVector | ( | MachineInstr & | MI | ) |
Definition at line 6685 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildBuildVector(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildExtractVectorElement(), llvm::MachineIRBuilder::buildUndef(), llvm::LLT::getElementType(), llvm::MachineInstrBuilder::getReg(), Idx, Legalized, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerSITOFP | ( | MachineInstr & | MI | ) |
Definition at line 6094 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildFConstant(), llvm::MachineIRBuilder::buildFNeg(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildUITOFP(), llvm::MachineIRBuilder::buildXor(), llvm::CmpInst::ICMP_NE, Legalized, MI, MIRBuilder, llvm::LLT::scalar(), UnableToLegalize, and llvm::Xor.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerSMULH_UMULH | ( | MachineInstr & | MI | ) |
Definition at line 7226 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildMul(), llvm::MachineIRBuilder::buildTrunc(), llvm::LLT::changeElementSize(), llvm::LLT::getScalarSizeInBits(), llvm::MachineRegisterInfo::getType(), Legalized, LHS, MI, MIRBuilder, llvm::Mul, and RHS.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerStore | ( | GStore & | MI | ) |
Definition at line 3099 of file LegalizerHelper.cpp.
References llvm::TargetLoweringBase::allowsMemoryAccess(), llvm::MachineIRBuilder::buildAnyExt(), llvm::MachineIRBuilder::buildAnyExtOrTrunc(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildPtrAdd(), llvm::MachineIRBuilder::buildPtrToInt(), llvm::MachineIRBuilder::buildStore(), llvm::MachineIRBuilder::buildZExtInReg(), llvm::MachineInstr::eraseFromParent(), llvm::Function::getContext(), llvm::MachineIRBuilder::getDataLayout(), llvm::LLT::getElementType(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineMemOperand::getMemoryType(), llvm::MachineIRBuilder::getMF(), llvm::MachineMemOperand::getPointerInfo(), llvm::GLoadStore::getPointerReg(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getSizeInBits(), llvm::LLT::getSizeInBytes(), llvm::MachineRegisterInfo::getType(), llvm::GStore::getValueReg(), llvm::LLT::isPointer(), llvm::isPowerOf2_32(), llvm::LLT::isVector(), Legalized, llvm::MachineInstr::memoperands_begin(), MIRBuilder, llvm::PowerOf2Ceil(), reduceLoadStoreWidth(), llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerU64ToF32BitOps | ( | MachineInstr & | MI | ) |
Definition at line 6014 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildCTLZ_ZERO_UNDEF(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildTrunc(), llvm::CallingConv::C, E, llvm::MachineRegisterInfo::getType(), llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_UGT, Legalized, MI, MIRBuilder, and llvm::LLT::scalar().
Referenced by lowerUITOFP().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerUITOFP | ( | MachineInstr & | MI | ) |
Definition at line 6069 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildFConstant(), llvm::MachineIRBuilder::buildSelect(), Legalized, lowerU64ToF32BitOps(), MI, MIRBuilder, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerUnmergeValues | ( | MachineInstr & | MI | ) |
Definition at line 6573 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildTrunc(), coerceToScalar(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), I, llvm::LLT::isPointer(), Legalized, MI, MIRBuilder, llvm::Offset, and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::lowerVectorReduction | ( | MachineInstr & | MI | ) |
Definition at line 7508 of file LegalizerHelper.cpp.
References llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::MCInstrInfo::get(), llvm::LLT::getSizeInBits(), llvm::MachineIRBuilder::getTII(), llvm::MachineRegisterInfo::getType(), llvm::LLT::isScalar(), Legalized, MI, MIRBuilder, Observer, and UnableToLegalize.
Referenced by lower().
LegalizerHelper::LegalizeResult LegalizerHelper::moreElementsVector | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | MoreTy | ||
) |
Legalize a vector instruction by increasing the number of vector elements involved and ignoring the added elements later.
Definition at line 4798 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildDeleteTrailingVectorElements(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildShuffleSplat(), llvm::MachineIRBuilder::buildUndef(), llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::LLT::getElementCount(), llvm::LLT::getNumElements(), llvm::LLT::getScalarType(), Legalized, MI, MIRBuilder, moreElementsVectorDst(), moreElementsVectorPhi(), moreElementsVectorShuffle(), moreElementsVectorSrc(), Observer, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by legalizeInstrStep().
void LegalizerHelper::moreElementsVectorDst | ( | MachineInstr & | MI, |
LLT | MoreTy, | ||
unsigned | OpIdx | ||
) |
Legalize a single operand OpIdx
of the machine instruction MI
as a Def by performing it with additional vector elements and extracting the result elements, and replacing the vreg of the operand in place.
Definition at line 1479 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildDeleteTrailingVectorElements(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineIRBuilder::getInsertPt(), llvm::MachineIRBuilder::getMBB(), llvm::MachineOperand::getReg(), MI, MIRBuilder, llvm::MachineIRBuilder::setInsertPt(), and llvm::MachineOperand::setReg().
Referenced by equalizeVectorShuffleLengths(), llvm::AMDGPULegalizerInfo::legalizeSBufferLoad(), moreElementsVector(), moreElementsVectorPhi(), and moreElementsVectorShuffle().
LegalizerHelper::LegalizeResult LegalizerHelper::moreElementsVectorPhi | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | MoreTy | ||
) |
Definition at line 4779 of file LegalizerHelper.cpp.
References assert(), llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), E, llvm::MachineBasicBlock::getFirstNonPHI(), llvm::MachineBasicBlock::getFirstTerminator(), I, Legalized, MBB, MI, MIRBuilder, moreElementsVectorDst(), moreElementsVectorSrc(), Observer, and llvm::MachineIRBuilder::setInsertPt().
Referenced by moreElementsVector().
LegalizerHelper::LegalizeResult LegalizerHelper::moreElementsVectorShuffle | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | MoreTy | ||
) |
Definition at line 5017 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildShuffleVector(), equalizeVectorShuffleLengths(), llvm::LLT::getNumElements(), I, Idx, Legalized, MI, MIRBuilder, moreElementsVectorDst(), moreElementsVectorSrc(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::MachineIRBuilder::setInstrAndDebugLoc(), and UnableToLegalize.
Referenced by moreElementsVector().
void LegalizerHelper::moreElementsVectorSrc | ( | MachineInstr & | MI, |
LLT | MoreTy, | ||
unsigned | OpIdx | ||
) |
Legalize a single operand OpIdx
of the machine instruction MI
as a Use by producing a vector with undefined high elements, extracting the original vector type, and replacing the vreg of the operand in place.
Definition at line 1489 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildPadVectorWithUndefElements(), llvm::MachineInstrBuilder::getReg(), MI, MIRBuilder, and llvm::MachineOperand::setReg().
Referenced by moreElementsVector(), moreElementsVectorPhi(), and moreElementsVectorShuffle().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalar | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Legalize an instruction by reducing the width of the underlying scalar type.
Definition at line 910 of file LegalizerHelper.cpp.
References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addDef(), llvm::MachineInstrBuilder::addUse(), assert(), llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::MachineIRBuilder::buildAnyExt(), llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildBuildVector(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildFreeze(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildLoad(), llvm::MachineIRBuilder::buildLoadInstr(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildSExt(), llvm::MachineIRBuilder::buildStore(), llvm::MachineIRBuilder::buildTrunc(), llvm::MachineIRBuilder::buildUndef(), llvm::MachineIRBuilder::buildUnmerge(), llvm::MachineIRBuilder::buildXor(), llvm::MachineIRBuilder::buildZExt(), llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::dbgs(), E, llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::LLT::getElementCount(), llvm::MachineBasicBlock::getFirstNonPHI(), llvm::MachineBasicBlock::getFirstTerminatorForward(), llvm::MachineIRBuilder::getInsertPt(), llvm::MachineIRBuilder::getMBB(), getReg(), llvm::MachineInstrBuilder::getReg(), llvm::LLT::getScalarSizeInBits(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::ICmpInst::getUnsignedPredicate(), I, llvm::CmpInst::ICMP_EQ, llvm::SmallVectorImpl< T >::insert(), llvm::ICmpInst::isEquality(), llvm::LLT::isVector(), Legalized, LHS, LLVM_DEBUG, llvm::APInt::lshr(), MBB, MI, MIRBuilder, narrowScalarAddSub(), narrowScalarBasic(), narrowScalarCTLZ(), narrowScalarCTPOP(), narrowScalarCTTZ(), narrowScalarDst(), narrowScalarExt(), narrowScalarExtract(), narrowScalarFLDEXP(), narrowScalarFPTOI(), narrowScalarInsert(), narrowScalarMul(), narrowScalarSelect(), narrowScalarShift(), narrowScalarSrc(), Observer, llvm::Offset, llvm::SmallVectorTemplateBase< T, bool >::push_back(), reduceLoadStoreWidth(), RHS, llvm::LLT::scalar(), llvm::MachineIRBuilder::setInsertPt(), llvm::MachineOperand::setReg(), llvm::SmallVectorBase< Size_T >::size(), llvm::APInt::trunc(), UnableToLegalize, llvm::LLT::vector(), llvm::Xor, and llvm::zip().
Referenced by llvm::AMDGPURegisterBankInfo::applyMappingImpl(), llvm::MipsRegisterBankInfo::applyMappingImpl(), llvm::AMDGPURegisterBankInfo::applyMappingLoad(), and legalizeInstrStep().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarAddSub | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Definition at line 5123 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), E, llvm::MachineRegisterInfo::getType(), I, llvm::LLT::isVector(), Legalized, llvm_unreachable, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SmallVectorImpl< T >::reserve(), llvm::LLT::scalar(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarBasic | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5423 of file LegalizerHelper.cpp.
References assert(), llvm::MachineIRBuilder::buildInstr(), E, llvm::MachineRegisterInfo::getType(), I, Legalized, llvm_unreachable, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarCTLZ | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5531 of file LegalizerHelper.cpp.
References B, llvm::LLT::getSizeInBits(), llvm::CmpInst::ICMP_EQ, llvm::LLT::isScalar(), Legalized, MI, MIRBuilder, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarCTPOP | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5597 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAdd(), llvm::MachineIRBuilder::buildCTPOP(), llvm::MachineIRBuilder::buildUnmerge(), llvm::LLT::getSizeInBits(), llvm::LLT::isScalar(), Legalized, MI, MIRBuilder, and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarCTTZ | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5564 of file LegalizerHelper.cpp.
References B, llvm::LLT::getSizeInBits(), llvm::CmpInst::ICMP_EQ, llvm::LLT::isScalar(), Legalized, MI, MIRBuilder, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by narrowScalar().
void LegalizerHelper::narrowScalarDst | ( | MachineInstr & | MI, |
LLT | NarrowTy, | ||
unsigned | OpIdx, | ||
unsigned | ExtOpcode | ||
) |
Definition at line 1470 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineIRBuilder::getInsertPt(), llvm::MachineIRBuilder::getMBB(), MI, MIRBuilder, llvm::MachineIRBuilder::setInsertPt(), and llvm::MachineOperand::setReg().
Referenced by narrowScalar(), and narrowScalarFPTOI().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarExt | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5464 of file LegalizerHelper.cpp.
References llvm::MachineRegisterInfo::getType(), llvm::LLT::isVector(), Legalized, MI, and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarExtract | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5272 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildBuildVector(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildExtract(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::LLT::isVector(), Legalized, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::LLT::scalar(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarFLDEXP | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5620 of file LegalizerHelper.cpp.
References B, llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::LLT::getScalarSizeInBits(), llvm::MachineRegisterInfo::getType(), Legalized, llvm::maxIntN(), MI, llvm::minIntN(), MIRBuilder, Observer, and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarFPTOI | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5247 of file LegalizerHelper.cpp.
References llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::LLT::getScalarSizeInBits(), llvm::LLT::getScalarType(), llvm::MachineRegisterInfo::getType(), Legalized, MI, narrowScalarDst(), Observer, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarInsert | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5339 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAnyExt(), llvm::MachineIRBuilder::buildExtract(), llvm::MachineIRBuilder::buildInsert(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildTrunc(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), E, llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), I, Legalized, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::LLT::scalar(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarMul | ( | MachineInstr & | MI, |
LLT | Ty | ||
) |
Definition at line 5217 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::LLT::isVector(), Legalized, MI, MIRBuilder, Size, and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarSelect | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 5485 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildSelect(), E, llvm::MachineRegisterInfo::getType(), I, llvm::LLT::isVector(), Legalized, llvm_unreachable, MI, MIRBuilder, llvm::SmallVectorTemplateBase< T, bool >::push_back(), Select, llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarShift | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | Ty | ||
) |
Definition at line 4670 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSelect(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildUnmerge(), llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::getIConstantVRegValWithLookThrough(), llvm::LLT::getScalarSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::Hi, llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_ULT, llvm::LLT::isVector(), Legalized, llvm_unreachable, llvm::Lo, MI, MIRBuilder, narrowScalarShiftByConstant(), narrowScalarSrc(), Observer, llvm::LLT::scalar(), and UnableToLegalize.
Referenced by narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalarShiftByConstant | ( | MachineInstr & | MI, |
const APInt & | Amt, | ||
LLT | HalfTy, | ||
LLT | ShiftAmtTy | ||
) |
Definition at line 4581 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildAShr(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildMergeLikeInstr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildShl(), llvm::MachineIRBuilder::buildUnmerge(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::LLT::getSizeInBits(), llvm::Hi, llvm::APInt::isZero(), Legalized, llvm::Lo, MI, MIRBuilder, and llvm::APInt::ugt().
Referenced by narrowScalarShift().
void LegalizerHelper::narrowScalarSrc | ( | MachineInstr & | MI, |
LLT | NarrowTy, | ||
unsigned | OpIdx | ||
) |
Legalize a single operand OpIdx
of the machine instruction MI
as a Use by truncating the operand's type to NarrowTy
using G_TRUNC, and replacing the vreg of the operand in place.
Definition at line 1454 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildTrunc(), MI, MIRBuilder, and llvm::MachineOperand::setReg().
Referenced by narrowScalar(), and narrowScalarShift().
LegalizerHelper::LegalizeResult LegalizerHelper::reduceLoadStoreWidth | ( | GLoadStore & | MI, |
unsigned | TypeIdx, | ||
LLT | NarrowTy | ||
) |
Definition at line 4032 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildLoad(), llvm::MachineIRBuilder::buildStore(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::dbgs(), E, llvm::MachineInstr::eraseFromParent(), llvm::MachineIRBuilder::getDataLayout(), llvm::MachineFunction::getMachineMemOperand(), llvm::GLoadStore::getMemSize(), llvm::MachineIRBuilder::getMF(), llvm::GLoadStore::getMMO(), getNarrowTypeBreakDown(), llvm::GLoadStore::getPointerReg(), llvm::GenericMachineInstr::getReg(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), Idx, llvm::GLoadStore::isAtomic(), llvm::DataLayout::isBigEndian(), isBigEndian(), llvm::LLT::isValid(), Legalized, LLVM_DEBUG, llvm::MachineIRBuilder::materializePtrAdd(), MIRBuilder, llvm::Offset, llvm::LLT::scalar(), llvm::SmallVectorBase< Size_T >::size(), and UnableToLegalize.
Referenced by llvm::AMDGPURegisterBankInfo::applyMappingLoad(), fewerElementsVector(), lowerLoad(), lowerStore(), and narrowScalar().
LegalizerHelper::LegalizeResult LegalizerHelper::widenScalar | ( | MachineInstr & | MI, |
unsigned | TypeIdx, | ||
LLT | WideTy | ||
) |
Legalize an instruction by performing the operation on a wider scalar type (for example a 16-bit addition can be safely performed at 32-bits precision, ignoring the unused bits).
Definition at line 2030 of file LegalizerHelper.cpp.
References assert(), llvm::APFloat::bitcastToAPInt(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildInstr(), llvm::MachineIRBuilder::buildLShr(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSub(), llvm::MachineIRBuilder::buildTrunc(), llvm::MachineIRBuilder::buildZExtOrTrunc(), llvm::GISelChangeObserver::changedInstr(), llvm::GISelChangeObserver::changingInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), E, llvm::ConstantInt::get(), llvm::MCInstrInfo::get(), llvm::MachineIRBuilder::getBoolExtOp(), llvm::MachineOperand::getCImm(), llvm::Function::getContext(), llvm::LLT::getElementCount(), llvm::LLT::getElementType(), llvm::LegalizerInfo::getExtOpcodeForWideningConstant(), llvm::MachineBasicBlock::getFirstNonPHI(), llvm::MachineBasicBlock::getFirstTerminatorForward(), llvm::MachineOperand::getFPImm(), llvm::MachineFunction::getFunction(), llvm::MachineIRBuilder::getInsertPt(), llvm::MachineIRBuilder::getMBB(), llvm::MachineIRBuilder::getMF(), llvm::APInt::getOneBitSet(), llvm::LLT::getScalarSizeInBits(), llvm::LLT::getSizeInBits(), llvm::MachineIRBuilder::getTII(), llvm::MachineRegisterInfo::getType(), llvm::ConstantInt::getValue(), llvm::ConstantFP::getValueAPF(), I, llvm::LLT::isScalar(), llvm::CmpInst::isSigned(), llvm::LLT::isVector(), Legalized, MBB, MI, MIRBuilder, Observer, llvm::MachineOperand::setCImm(), llvm::MachineIRBuilder::setInsertPt(), llvm::MachineIRBuilder::setInstrAndDebugLoc(), llvm::APInt::sext(), UnableToLegalize, llvm::LLT::vector(), widenScalarDst(), widenScalarSrc(), and llvm::APInt::zext().
Referenced by llvm::AMDGPURegisterBankInfo::applyMappingImpl(), and legalizeInstrStep().
void LegalizerHelper::widenScalarDst | ( | MachineInstr & | MI, |
LLT | WideTy, | ||
unsigned | OpIdx = 0 , |
||
unsigned | TruncOpcode = TargetOpcode::G_TRUNC |
||
) |
Legalize a single operand OpIdx
of the machine instruction MI
as a Def by extending the operand's type to WideTy
and truncating it back with the TruncOpcode
, and replacing the vreg of the operand in place.
Definition at line 1461 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildInstr(), llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineIRBuilder::getInsertPt(), llvm::MachineIRBuilder::getMBB(), MI, MIRBuilder, llvm::MachineIRBuilder::setInsertPt(), and llvm::MachineOperand::setReg().
Referenced by llvm::AMDGPULegalizerInfo::legalizeSBufferLoad(), and widenScalar().
void LegalizerHelper::widenScalarSrc | ( | MachineInstr & | MI, |
LLT | WideTy, | ||
unsigned | OpIdx, | ||
unsigned | ExtOpcode | ||
) |
Legalize a single operand OpIdx
of the machine instruction MI
as a Use by extending the operand's type to WideTy
using the specified ExtOpcode
for the extension instruction, and replacing the vreg of the operand in place.
Definition at line 1447 of file LegalizerHelper.cpp.
References llvm::MachineIRBuilder::buildInstr(), MI, MIRBuilder, and llvm::MachineOperand::setReg().
Referenced by widenScalar().
MachineIRBuilder& llvm::LegalizerHelper::MIRBuilder |
Expose MIRBuilder so clients can set their own RecordInsertInstruction functions.
Definition at line 51 of file LegalizerHelper.h.
Referenced by bitcastDst(), bitcastExtractVectorElt(), bitcastInsertVectorElt(), bitcastSrc(), llvm::AMDGPULegalizerInfo::buildMultiply(), coerceToScalar(), convertPtrToInt(), createStackTemporary(), equalizeVectorShuffleLengths(), fewerElementsVectorExtractInsertVectorElt(), fewerElementsVectorMerge(), fewerElementsVectorMultiEltType(), fewerElementsVectorPhi(), fewerElementsVectorReductions(), fewerElementsVectorShuffle(), fewerElementsVectorUnmergeValues(), getVectorElementPointer(), llvm::AArch64LegalizerInfo::legalizeCustom(), llvm::AMDGPULegalizerInfo::legalizeCustom(), llvm::ARMLegalizerInfo::legalizeCustom(), llvm::MipsLegalizerInfo::legalizeCustom(), llvm::SPIRVLegalizerInfo::legalizeCustom(), legalizeInstrStep(), llvm::AArch64LegalizerInfo::legalizeIntrinsic(), llvm::AMDGPULegalizerInfo::legalizeIntrinsic(), llvm::MipsLegalizerInfo::legalizeIntrinsic(), llvm::AMDGPULegalizerInfo::legalizeLoad(), llvm::Legalizer::legalizeMachineFunction(), llvm::AMDGPULegalizerInfo::legalizeMinNumMaxNum(), llvm::AMDGPULegalizerInfo::legalizeMul(), llvm::AMDGPULegalizerInfo::legalizeSBufferLoad(), llvm::AMDGPULegalizerInfo::legalizeStore(), libcall(), lower(), lowerAbsToAddXor(), lowerAbsToMaxNeg(), lowerAddSubSatToAddoSubo(), lowerAddSubSatToMinMax(), lowerBitcast(), lowerBitCount(), lowerBitreverse(), lowerBswap(), lowerDIVREM(), lowerDynStackAlloc(), lowerExtract(), lowerExtractInsertVectorElt(), lowerFConstant(), lowerFCopySign(), lowerFFloor(), lowerFMad(), lowerFMinNumMaxNum(), lowerFPOWI(), lowerFPTOSI(), lowerFPTOUI(), lowerFPTRUNC_F64_TO_F16(), lowerFunnelShiftAsShifts(), lowerFunnelShiftWithInverse(), lowerInsert(), lowerIntrinsicRound(), lowerISFPCLASS(), lowerLoad(), lowerMergeValues(), lowerMinMax(), lowerReadWriteRegister(), lowerRotate(), lowerRotateWithReverseRotate(), lowerSADDO_SSUBO(), lowerSelect(), lowerShlSat(), lowerShuffleVector(), lowerSITOFP(), lowerSMULH_UMULH(), lowerStore(), lowerU64ToF32BitOps(), lowerUITOFP(), lowerUnmergeValues(), lowerVectorReduction(), moreElementsVector(), moreElementsVectorDst(), moreElementsVectorPhi(), moreElementsVectorShuffle(), moreElementsVectorSrc(), narrowScalar(), narrowScalarAddSub(), narrowScalarBasic(), narrowScalarCTLZ(), narrowScalarCTPOP(), narrowScalarCTTZ(), narrowScalarDst(), narrowScalarExtract(), narrowScalarFLDEXP(), narrowScalarInsert(), narrowScalarMul(), narrowScalarSelect(), narrowScalarShift(), narrowScalarShiftByConstant(), narrowScalarSrc(), reduceLoadStoreWidth(), widenScalar(), widenScalarDst(), and widenScalarSrc().
GISelChangeObserver& llvm::LegalizerHelper::Observer |
To keep track of changes made by the LegalizerHelper.
Definition at line 54 of file LegalizerHelper.h.
Referenced by bitcast(), llvm::AArch64LegalizerInfo::legalizeCustom(), llvm::AMDGPULegalizerInfo::legalizeDSAtomicFPIntrinsic(), llvm::AMDGPULegalizerInfo::legalizeIntrinsic(), llvm::AMDGPULegalizerInfo::legalizeLoad(), llvm::AMDGPULegalizerInfo::legalizeSBufferLoad(), llvm::AMDGPULegalizerInfo::legalizeStore(), lower(), lowerBitCount(), lowerVectorReduction(), moreElementsVector(), moreElementsVectorPhi(), narrowScalar(), narrowScalarFLDEXP(), narrowScalarFPTOI(), narrowScalarShift(), and widenScalar().