LLVM 19.0.0git
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#include "MipsISelLowering.h"
#include "MCTargetDesc/MipsBaseInfo.h"
#include "MCTargetDesc/MipsInstPrinter.h"
#include "MCTargetDesc/MipsMCTargetDesc.h"
#include "MipsCCState.h"
#include "MipsInstrInfo.h"
#include "MipsMachineFunction.h"
#include "MipsRegisterInfo.h"
#include "MipsSubtarget.h"
#include "MipsTargetMachine.h"
#include "MipsTargetObjectFile.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/RuntimeLibcalls.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGenTypes/MachineValueType.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include <algorithm>
#include <cassert>
#include <cctype>
#include <cstdint>
#include <deque>
#include <iterator>
#include <utility>
#include <vector>
#include "MipsGenCallingConv.inc"
Go to the source code of this file.
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#define | DEBUG_TYPE "mips-lower" |
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static cl::opt< bool > | NoZeroDivCheck ("mno-check-zero-division", cl::Hidden, cl::desc("MIPS: Don't trap on integer division by zero."), cl::init(false)) |
cl::opt< bool > | EmitJalrReloc |
static const MCPhysReg | Mips64DPRegs [8] |
#define DEBUG_TYPE "mips-lower" |
Definition at line 81 of file MipsISelLowering.cpp.
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Definition at line 1273 of file MipsISelLowering.cpp.
References llvm::MachineRegisterInfo::addLiveIn(), llvm::MachineRegisterInfo::createVirtualRegister(), and llvm::MachineFunction::getRegInfo().
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Definition at line 2885 of file MipsISelLowering.cpp.
References llvm::CCState::addLoc(), llvm::CCValAssign::AExt, llvm::CCValAssign::AExtUpper, llvm::CCState::AllocateReg(), llvm::CCState::AllocateStack(), assert(), F32Regs, llvm::CCValAssign::getCustomReg(), llvm::CCState::getFirstUnallocated(), llvm::CCState::getMachineFunction(), llvm::CCValAssign::getMem(), llvm::ISD::ArgFlagsTy::getNonZeroOrigAlign(), llvm::CCValAssign::getReg(), llvm::MVT::getStoreSize(), llvm::MachineFunction::getSubtarget(), IntRegs, llvm::ISD::ArgFlagsTy::isByVal(), llvm::MVT::isFloatingPoint(), llvm::ISD::ArgFlagsTy::isInReg(), llvm::MipsSubtarget::isLittle(), llvm::ISD::ArgFlagsTy::isSExt(), llvm::ISD::ArgFlagsTy::isSplit(), llvm::CCState::isVarArg(), llvm::ISD::ArgFlagsTy::isZExt(), llvm_unreachable, llvm::Offset, llvm::CCValAssign::SExt, llvm::CCValAssign::SExtUpper, llvm::MipsCCState::WasOriginalArgVectorFloat(), llvm::CCValAssign::ZExt, and llvm::CCValAssign::ZExtUpper.
Referenced by CC_MipsO32_FP32(), and CC_MipsO32_FP64().
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Definition at line 3007 of file MipsISelLowering.cpp.
References CC_MipsO32().
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Definition at line 3015 of file MipsISelLowering.cpp.
References CC_MipsO32().
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Definition at line 609 of file MipsISelLowering.cpp.
References CC, llvm::Mips::FCOND_OEQ, llvm::Mips::FCOND_OGE, llvm::Mips::FCOND_OGT, llvm::Mips::FCOND_OLE, llvm::Mips::FCOND_OLT, llvm::Mips::FCOND_ONE, llvm::Mips::FCOND_OR, llvm::Mips::FCOND_UEQ, llvm::Mips::FCOND_UGE, llvm::Mips::FCOND_UGT, llvm::Mips::FCOND_ULE, llvm::Mips::FCOND_ULT, llvm::Mips::FCOND_UN, llvm::Mips::FCOND_UNE, llvm_unreachable, llvm::ISD::SETEQ, llvm::ISD::SETGE, llvm::ISD::SETGT, llvm::ISD::SETLE, llvm::ISD::SETLT, llvm::ISD::SETNE, llvm::ISD::SETO, llvm::ISD::SETOEQ, llvm::ISD::SETOGE, llvm::ISD::SETOGT, llvm::ISD::SETOLE, llvm::ISD::SETOLT, llvm::ISD::SETONE, llvm::ISD::SETUEQ, llvm::ISD::SETUGE, llvm::ISD::SETUGT, llvm::ISD::SETULE, llvm::ISD::SETULT, llvm::ISD::SETUNE, and llvm::ISD::SETUO.
Referenced by createFPCmp().
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Definition at line 671 of file MipsISelLowering.cpp.
References CC, llvm::MipsISD::CMovFP_F, llvm::MipsISD::CMovFP_T, Cond, DL, llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getRegister(), llvm::SDValue::getValueType(), and invertFPCondCodeUser().
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Definition at line 649 of file MipsISelLowering.cpp.
References CC, condCodeToFCC(), DL, llvm::MipsISD::FPCmp, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), LHS, RHS, and llvm::ISD::SETCC.
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Definition at line 2682 of file MipsISelLowering.cpp.
References llvm::ISD::ADD, DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getMemIntrinsicNode(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getVTList(), llvm::Offset, and Ptr.
Referenced by llvm::MipsTargetLowering::lowerLOAD().
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Definition at line 2764 of file MipsISelLowering.cpp.
References llvm::ISD::ADD, DL, llvm::StoreSDNode::getBasePtr(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getMemIntrinsicNode(), llvm::MemSDNode::getMemOperand(), llvm::MemSDNode::getMemoryVT(), llvm::SelectionDAG::getNode(), llvm::StoreSDNode::getValue(), llvm::SelectionDAG::getVTList(), llvm::Offset, and Ptr.
Referenced by lowerUnalignedIntStore().
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Definition at line 1280 of file MipsISelLowering.cpp.
References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::getKillRegState(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), I, llvm::MachineOperand::isKill(), MBB, MI, NoZeroDivCheck, llvm::MachineOperand::setIsKill(), llvm::MachineOperand::setSubReg(), and TII.
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This function returns true if the floating point conditional branches and conditional moves which use condition code CC should be inverted.
Definition at line 637 of file MipsISelLowering.cpp.
References assert(), CC, llvm::Mips::FCOND_F, llvm::Mips::FCOND_GT, llvm::Mips::FCOND_NGT, and llvm::Mips::FCOND_T.
Referenced by createCMovFP().
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Definition at line 2343 of file MipsISelLowering.cpp.
References llvm::ISD::BITCAST, llvm::MipsISD::BuildPairF64, DL, llvm::MipsISD::Ext, llvm::MipsISD::ExtractElementF64, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::MipsISD::Ins, llvm::ISD::OR, llvm::ISD::SHL, llvm::ISD::SRL, X, and Y.
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Definition at line 2390 of file MipsISelLowering.cpp.
References llvm::ISD::BITCAST, DL, llvm::MipsISD::Ext, llvm::SelectionDAG::getConstant(), llvm::MVT::getIntegerVT(), llvm::SelectionDAG::getNode(), I, llvm::MipsISD::Ins, llvm::Or, llvm::ISD::OR, llvm::ISD::SHL, llvm::ISD::SRL, llvm::ISD::TRUNCATE, X, Y, and llvm::ISD::ZERO_EXTEND.
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Definition at line 2810 of file MipsISelLowering.cpp.
References llvm::ISD::FP_TO_SINT, llvm::MemSDNode::getAlign(), llvm::StoreSDNode::getBasePtr(), llvm::MemSDNode::getChain(), llvm::MachineMemOperand::getFlags(), llvm::EVT::getFloatingPointVT(), llvm::MemSDNode::getMemOperand(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::MemSDNode::getPointerInfo(), llvm::SelectionDAG::getStore(), llvm::StoreSDNode::getValue(), llvm::SDValue::getValueSizeInBits(), and llvm::MipsISD::TruncIntFP.
Referenced by llvm::MipsTargetLowering::lowerSTORE().
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Definition at line 2781 of file MipsISelLowering.cpp.
References assert(), createStoreLR(), llvm::MemSDNode::getChain(), llvm::StoreSDNode::getValue(), llvm::StoreSDNode::isTruncatingStore(), llvm::MipsISD::SDL, llvm::MipsISD::SDR, llvm::MipsISD::SWL, and llvm::MipsISD::SWR.
Referenced by llvm::MipsTargetLowering::lowerSTORE().
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This is a helper function to parse a physical register string and split it into non-numeric and numeric parts (Prefix and Reg).
The first boolean flag that is returned indicates whether parsing was successful. The second flag is true if the numeric part exists.
Definition at line 4030 of file MipsISelLowering.cpp.
References B, llvm::CallingConv::C, llvm::getAsUnsignedInteger(), and I.
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Definition at line 1081 of file MipsISelLowering.cpp.
References llvm::Add, llvm::ISD::ADD, DL, llvm::SelectionDAG::getNode(), llvm::MipsSubtarget::hasMips32(), llvm::MipsSubtarget::hasMips32r6(), llvm::MipsSubtarget::inMips16Mode(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), llvm::MipsISD::Lo, llvm::Lo, N, performMADD_MSUBCombine(), and llvm::ISD::TargetJumpTable.
Referenced by llvm::MipsTargetLowering::PerformDAGCombine(), and llvm::RISCVTargetLowering::PerformDAGCombine().
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Definition at line 789 of file MipsISelLowering.cpp.
References llvm::MipsISD::CIns, DL, llvm::MipsISD::Ext, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::EVT::getSizeInBits(), llvm::ConstantSDNode::getZExtValue(), llvm::MipsSubtarget::hasCnMips(), llvm::MipsSubtarget::hasExtractInsert(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), llvm::isShiftedMask_64(), N, llvm::ISD::SHL, llvm::ISD::SRA, and llvm::ISD::SRL.
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Definition at line 762 of file MipsISelLowering.cpp.
References llvm::MipsISD::CMovFP_F, llvm::MipsISD::CMovFP_T, llvm::SelectionDAG::getNode(), llvm::ConstantSDNode::getZExtValue(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), and N.
Referenced by llvm::MipsTargetLowering::PerformDAGCombine().
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Definition at line 572 of file MipsISelLowering.cpp.
References llvm::MipsISD::DivRem16, llvm::MipsISD::DivRemU16, DL, llvm::SelectionDAG::getCopyFromReg(), llvm::SelectionDAG::getEntryNode(), llvm::SelectionDAG::getNode(), llvm::SDValue::getValue(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), N, llvm::SelectionDAG::ReplaceAllUsesOfValueWith(), and llvm::ISD::SDIVREM.
Referenced by llvm::MipsTargetLowering::PerformDAGCombine().
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Definition at line 970 of file MipsISelLowering.cpp.
References llvm::ISD::ADD, llvm::ISD::BUILD_PAIR, DL, llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMips64(), llvm::EVT::isVector(), llvm::MipsISD::MAdd, llvm::MipsISD::MAddu, llvm::MipsISD::MFHI, llvm::MipsISD::MFLO, llvm::MipsISD::MSub, llvm::MipsISD::MSubu, llvm::MipsISD::MTLOHI, llvm::ISD::MUL, llvm::ISD::SIGN_EXTEND, llvm::SelectionDAG::SplitScalar(), llvm::ISD::SUB, llvm::ISD::TRUNCATE, and llvm::ISD::ZERO_EXTEND.
Referenced by performADDCombine(), and performSUBCombine().
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Definition at line 872 of file MipsISelLowering.cpp.
References llvm::ISD::AND, DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::SDNode::getOperand(), llvm::ConstantSDNode::getSExtValue(), llvm::EVT::getSizeInBits(), llvm::ConstantSDNode::getZExtValue(), llvm::MipsSubtarget::hasExtractInsert(), llvm::MipsSubtarget::hasMips64r2(), llvm::MipsISD::Ins, llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), llvm::isShiftedMask_64(), N, llvm::ISD::SHL, and llvm::ISD::SRL.
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Definition at line 681 of file MipsISelLowering.cpp.
References llvm::ISD::ADD, CC, DL, llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::SelectionDAG::getSetCC(), llvm::ISD::getSetCCInverse(), llvm::ConstantSDNode::getSExtValue(), llvm::SDValue::getValueType(), llvm::ConstantSDNode::getZExtValue(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), llvm::EVT::isInteger(), N, llvm::ISD::SELECT, and llvm::ISD::SETCC.
Referenced by llvm::MipsTargetLowering::PerformDAGCombine(), and llvm::RISCVTargetLowering::PerformDAGCombine().
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Definition at line 1113 of file MipsISelLowering.cpp.
References llvm::ISD::AND, llvm::MipsISD::CIns, DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::EVT::getSizeInBits(), llvm::ConstantSDNode::getZExtValue(), llvm::MipsSubtarget::hasCnMips(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), llvm::isShiftedMask_64(), and N.
Referenced by llvm::MipsTargetLowering::PerformDAGCombine(), and llvm::MipsSETargetLowering::PerformDAGCombine().
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Definition at line 1066 of file MipsISelLowering.cpp.
References llvm::MipsSubtarget::hasMips32(), llvm::MipsSubtarget::hasMips32r6(), llvm::MipsSubtarget::inMips16Mode(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), N, and performMADD_MSUBCombine().
Referenced by llvm::MipsTargetLowering::PerformDAGCombine(), and llvm::RISCVTargetLowering::PerformDAGCombine().
STATISTIC | ( | NumTailCalls | , |
"Number of tail calls" | |||
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Definition at line 3583 of file MipsISelLowering.cpp.
References llvm::CCValAssign::AExt, llvm::CCValAssign::AExtUpper, llvm::ISD::AssertSext, llvm::ISD::AssertZext, llvm::CCValAssign::BCvt, llvm::ISD::BITCAST, DL, llvm::CCValAssign::Full, llvm::SelectionDAG::getConstant(), llvm::CCValAssign::getLocInfo(), llvm::CCValAssign::getLocVT(), llvm::SelectionDAG::getNode(), llvm::EVT::getSizeInBits(), llvm::MVT::getSizeInBits(), llvm::SelectionDAG::getValueType(), llvm::CCValAssign::getValVT(), llvm_unreachable, llvm::CCValAssign::SExt, llvm::CCValAssign::SExtUpper, llvm::ISD::SRA, llvm::ISD::SRL, llvm::ISD::TRUNCATE, llvm::CCValAssign::ZExt, and llvm::CCValAssign::ZExtUpper.
Definition at line 92 of file MipsISelLowering.cpp.
Referenced by llvm::MipsTargetLowering::HandleByVal().
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Referenced by insertDivByZeroTrap().