LLVM 17.0.0git
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This file implements the WebAssemblyTargetLowering class. More...
#include "WebAssemblyISelLowering.h"
#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "Utils/WebAssemblyTypeUtilities.h"
#include "Utils/WebAssemblyUtilities.h"
#include "WebAssemblyMachineFunctionInfo.h"
#include "WebAssemblySubtarget.h"
#include "WebAssemblyTargetMachine.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/DiagnosticPrinter.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsWebAssembly.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetOptions.h"
#include "WebAssemblyISD.def"
Go to the source code of this file.
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#define | DEBUG_TYPE "wasm-lower" |
#define | HANDLE_NODETYPE(NODE) |
#define | HANDLE_MEM_NODETYPE(NODE) HANDLE_NODETYPE(NODE) |
This file implements the WebAssemblyTargetLowering class.
Definition in file WebAssemblyISelLowering.cpp.
#define DEBUG_TYPE "wasm-lower" |
Definition at line 43 of file WebAssemblyISelLowering.cpp.
#define HANDLE_MEM_NODETYPE | ( | NODE | ) | HANDLE_NODETYPE(NODE) |
#define HANDLE_NODETYPE | ( | NODE | ) |
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Definition at line 955 of file WebAssemblyISelLowering.cpp.
References llvm::CallingConv::C, llvm::CallingConv::Cold, llvm::CallingConv::CXX_FAST_TLS, llvm::CallingConv::Fast, llvm::CallingConv::PreserveAll, llvm::CallingConv::PreserveMost, llvm::CallingConv::Swift, and llvm::CallingConv::WASM_EmscriptenInvoke.
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Definition at line 2588 of file WebAssemblyISelLowering.cpp.
References assert(), llvm::ISD::BUILD_VECTOR, DL, llvm::ISD::EXTRACT_SUBVECTOR, llvm::SelectionDAG::getBuildVector(), llvm::SelectionDAG::getContext(), llvm::SelectionDAG::getIntPtrConstant(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::EVT::getSizeInBits(), llvm::SDValue::getValueType(), llvm::EVT::getVectorElementType(), llvm::EVT::getVectorNumElements(), llvm::EVT::getVectorVT(), llvm::isPowerOf2_32(), and llvm::SDNode::ops().
Referenced by combineBROADCAST_LOAD(), combineConcatVectorOps(), combineEXTRACT_SUBVECTOR(), combineLoad(), combineOr(), combineScalarToVector(), combineSelect(), combineTargetShuffle(), combineX86ShuffleChain(), combineX86ShuffleChainWithExtract(), createVariablePermute(), extract128BitVector(), extract256BitVector(), getAVX512Node(), getAVX512TruncNode(), getEXTEND_VECTOR_INREG(), getHopForBuildVector(), lowerBuildVectorAsBroadcast(), LowerEXTEND_VECTOR_INREG(), lowerShuffleWithPERMV(), llvm::X86TargetLowering::SimplifyDemandedVectorEltsForTargetNode(), SplitOpsAndApply(), splitVector(), truncateVectorWithNARROW(), and truncateVectorWithPACK().
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Definition at line 948 of file WebAssemblyISelLowering.cpp.
References llvm::LLVMContext::diagnose(), DL, llvm::SelectionDAG::getContext(), llvm::MachineFunction::getFunction(), and llvm::SelectionDAG::getMachineFunction().
Definition at line 1451 of file WebAssemblyISelLowering.cpp.
References llvm::GlobalAddressSDNode::getAddressSpace(), and llvm::WebAssembly::isWasmVarAddressSpace().
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Definition at line 1458 of file WebAssemblyISelLowering.cpp.
References llvm::FrameIndexSDNode::getIndex(), llvm::WebAssemblyFrameLowering::getLocalForStackObject(), and llvm::SelectionDAG::getMachineFunction().
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Definition at line 529 of file WebAssemblyISelLowering.cpp.
References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstr::addOperand(), llvm::MachineInstrBuilder::addReg(), llvm::MachineInstrBuilder::addSym(), assert(), llvm::BuildMI(), llvm::MachineFunction::CreateMachineInstr(), llvm::MachineRegisterInfo::createVirtualRegister(), llvm::MachineInstr::defs(), DL, llvm::MachineInstr::eraseFromParent(), llvm::MachineFunction::getContext(), llvm::MachineInstrBuilder::getInstr(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::WebAssembly::getOrCreateFuncrefCallTableSymbol(), llvm::WebAssembly::getOrCreateFunctionTableSymbol(), llvm::MachineBasicBlock::getParent(), llvm::ilist_node_with_parent< NodeTy, ParentTy, Options >::getPrevNode(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::WebAssemblySubtarget::hasAddr64(), llvm::WebAssemblySubtarget::hasReferenceTypes(), llvm::MachineBasicBlock::insert(), llvm::MachineBasicBlock::insertAfter(), llvm::MachineOperand::isFI(), llvm::MachineOperand::isReg(), MRI, llvm::MachineInstr::removeOperand(), llvm::MCSymbolWasm::setNoStrip(), TII, and llvm::MachineInstr::uses().
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Definition at line 1880 of file WebAssemblyISelLowering.cpp.
References DL, llvm::ISD::EXTRACT_VECTOR_ELT, llvm::ISD::FP_EXTEND, llvm::SelectionDAG::getNode(), llvm::SDValue::getValueType(), llvm::SelectionDAG::getVectorShuffle(), llvm::ISD::SINT_TO_FP, and llvm::ISD::UINT_TO_FP.
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Definition at line 435 of file WebAssemblyISelLowering.cpp.
References llvm::MachineInstrBuilder::addFPImm(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMBB(), llvm::MachineInstrBuilder::addReg(), llvm::MachineBasicBlock::addSuccessor(), llvm::And, llvm::MachineBasicBlock::begin(), llvm::BuildMI(), Context, DL, llvm::MachineBasicBlock::end(), F, llvm::ConstantFP::get(), llvm::MachineBasicBlock::getBasicBlock(), llvm::Function::getContext(), llvm::Type::getDoubleTy(), llvm::Type::getFloatTy(), llvm::MachineFunction::getFunction(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), Int64, INT64_MIN, MI, MRI, llvm::MachineBasicBlock::splice(), TII, and llvm::MachineBasicBlock::transferSuccessorsAndUpdatePHIs().
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Definition at line 2668 of file WebAssemblyISelLowering.cpp.
References llvm::ISD::AND, llvm::TargetLowering::DAGCombinerInfo::DAG, DL, llvm::SelectionDAG::getConstant(), llvm::APInt::getLowBitsSet(), llvm::SelectionDAG::getNode(), llvm::EVT::getScalarSizeInBits(), llvm::EVT::getVectorElementType(), llvm::EVT::is128BitVector(), llvm::EVT::isSimple(), llvm::EVT::isVector(), N, and truncateVectorWithNARROW().
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Definition at line 2371 of file WebAssemblyISelLowering.cpp.
References llvm::ISD::BITCAST, llvm::TargetLowering::DAGCombinerInfo::DAG, llvm::SelectionDAG::getBitcast(), llvm::SDValue::getSimpleValueType(), llvm::SelectionDAG::getUNDEF(), llvm::MVT::getVectorNumElements(), llvm::SelectionDAG::getVectorShuffle(), llvm::MVT::is128BitVector(), and N.
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Definition at line 2422 of file WebAssemblyISelLowering.cpp.
References assert(), llvm::TargetLowering::DAGCombinerInfo::DAG, llvm::ISD::EXTRACT_SUBVECTOR, llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::SDValue::getValueType(), N, llvm::ISD::SIGN_EXTEND, and llvm::ISD::ZERO_EXTEND.
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Convert ({u,s}itofp vec) --> ({u,s}itofp ({s,z}ext vec)) so it doesn't get split up into scalar instructions during legalization, and the vector extending instructions are selected in performVectorExtendCombine below.
Definition at line 2399 of file WebAssemblyISelLowering.cpp.
References assert(), llvm::TargetLowering::DAGCombinerInfo::DAG, llvm::SelectionDAG::getNode(), N, llvm::ISD::SIGN_EXTEND, llvm::ISD::SINT_TO_FP, llvm::ISD::UINT_TO_FP, and llvm::ISD::ZERO_EXTEND.
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Definition at line 2469 of file WebAssemblyISelLowering.cpp.
References Concat, llvm::ISD::CONCAT_VECTORS, Conversion, llvm::TargetLowering::DAGCombinerInfo::DAG, llvm::ISD::FP_ROUND, llvm::ISD::FP_TO_SINT_SAT, llvm::ISD::FP_TO_UINT_SAT, llvm::SelectionDAG::getNode(), llvm_unreachable, and N.
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Definition at line 2617 of file WebAssemblyISelLowering.cpp.
References assert(), llvm::ISD::CONCAT_VECTORS, DL, extractSubVector(), llvm::SelectionDAG::getBitcast(), llvm::SelectionDAG::getContext(), llvm::EVT::getIntegerVT(), llvm::SelectionDAG::getNode(), llvm::EVT::getScalarSizeInBits(), llvm::EVT::getSizeInBits(), llvm::EVT::getVectorNumElements(), llvm::EVT::getVectorVT(), llvm::Hi, llvm::EVT::is128BitVector(), llvm::EVT::is256BitVector(), llvm::isPowerOf2_32(), llvm::Lo, and truncateVectorWithNARROW().
Referenced by performTruncateCombine(), and truncateVectorWithNARROW().
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Definition at line 2258 of file WebAssemblyISelLowering.cpp.
References llvm::ISD::AND, llvm::EVT::bitsGE(), DL, llvm::SelectionDAG::ExtractVectorElements(), llvm::SelectionDAG::getBuildVector(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::EVT::getSizeInBits(), llvm::SelectionDAG::getValueType(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::ISD::SIGN_EXTEND_INREG, llvm::ISD::SRA, and llvm::SelectionDAG::UnrollVectorOp().