LLVM 18.0.0git
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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/MachineValueType.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/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 1261 of file MipsISelLowering.cpp.
References llvm::MachineRegisterInfo::addLiveIn(), llvm::MachineRegisterInfo::createVirtualRegister(), and llvm::MachineFunction::getRegInfo().
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Definition at line 2874 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 2996 of file MipsISelLowering.cpp.
References CC_MipsO32().
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Definition at line 3004 of file MipsISelLowering.cpp.
References CC_MipsO32().
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Definition at line 597 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 659 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 637 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 2671 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 2753 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 1268 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 625 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 2332 of file MipsISelLowering.cpp.
References llvm::ISD::BITCAST, llvm::MipsISD::BuildPairF64, DL, E, 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 2379 of file MipsISelLowering.cpp.
References llvm::ISD::BITCAST, DL, E, 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 2799 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 2770 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 4019 of file MipsISelLowering.cpp.
References B, llvm::CallingConv::C, E, llvm::getAsUnsignedInteger(), and I.
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Definition at line 1069 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 777 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 750 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 560 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 958 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, Opcode, 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 860 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 669 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 1101 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 1054 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 3572 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::MVT::getSizeInBits(), llvm::EVT::getSizeInBits(), llvm::SelectionDAG::getValueType(), llvm::CCValAssign::getValVT(), llvm_unreachable, Opcode, 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().