LLVM 24.0.0git
Macros | Enumerations | Functions | Variables
MipsISelLowering.cpp File Reference
#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/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/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/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/MC/MCContext.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CodeGen.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 <string>
#include <utility>
#include <vector>
#include "MipsGenCallingConv.inc"

Go to the source code of this file.

Macros

#define DEBUG_TYPE   "mips-lower"
#define GET_CALLING_CONV_IMPL

Enumerations

enum class  DivByZeroTrapKind { Break , Teq , TeqMM }

Functions

 STATISTIC (NumTailCalls, "Number of tail calls")
static SDValue performDivRemCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static Mips::CondCode condCodeToFCC (ISD::CondCode CC)
static bool invertFPCondCodeUser (Mips::CondCode CC)
 This function returns true if the floating point conditional branches and conditional moves which use condition code CC should be inverted.
static SDValue createFPCmp (SelectionDAG &DAG, const SDValue &Op)
static SDValue createCMovFP (SelectionDAG &DAG, SDValue Cond, SDValue True, SDValue False, const SDLoc &DL)
static SDValue performSELECTCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue performCMovFPCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue performANDCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue performORCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue performMADD_MSUBCombine (SDNode *ROOTNode, SelectionDAG &CurDAG, const MipsSubtarget &Subtarget)
static SDValue performSUBCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue performADDCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue performSHLCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue performSignExtendCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static unsigned addLiveIn (MachineFunction &MF, unsigned PReg, const TargetRegisterClass *RC)
static MachineBasicBlock * insertDivByZeroTrap (const MipsMCOptions &MCCLOpts, MachineInstr &MI, MachineBasicBlock &MBB, const TargetInstrInfo &TII, bool Is64Bit, const DivByZeroTrapKind TrapKind)
static SDValue lowerFCOPYSIGN32 (SDValue Op, SelectionDAG &DAG, bool HasExtractInsert)
static SDValue lowerFCOPYSIGN64 (SDValue Op, SelectionDAG &DAG, bool HasExtractInsert)
static SDValue createLoadLR (unsigned Opc, SelectionDAG &DAG, LoadSDNode *LD, SDValue Chain, SDValue Src, unsigned Offset)
static SDValue createStoreLR (unsigned Opc, SelectionDAG &DAG, StoreSDNode *SD, SDValue Chain, unsigned Offset)
static SDValue lowerUnalignedIntStore (StoreSDNode *SD, SelectionDAG &DAG, bool IsLittle)
static SDValue lowerFP_TO_SINT_STORE (StoreSDNode *SD, SelectionDAG &DAG, bool SingleFloat)
static bool CC_MipsO32 (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type *OrigTy, CCState &State, ArrayRef< MCPhysReg > F64Regs)
static bool CC_MipsO32_FP32 (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type *OrigTy, CCState &State)
static bool CC_MipsO32_FP64 (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type *OrigTy, CCState &State)
static bool CC_MipsO32 (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type *OrigTy, CCState &State)
static SDValue UnpackFromArgumentSlot (SDValue Val, const CCValAssign &VA, EVT ArgVT, const SDLoc &DL, SelectionDAG &DAG)
static std::pair< bool, bool > parsePhysicalReg (StringRef C, StringRef &Prefix, unsigned long long &Reg)
 This is a helper function to parse a physical register string and split it into non-numeric and numeric parts (Prefix and Reg).

Variables

static const MCPhysReg Mips64DPRegs [8]

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE   "mips-lower"

Definition at line 79 of file MipsISelLowering.cpp.

◆ GET_CALLING_CONV_IMPL

#define GET_CALLING_CONV_IMPL

Definition at line 3235 of file MipsISelLowering.cpp.

Enumeration Type Documentation

◆ DivByZeroTrapKind

enum class DivByZeroTrapKind
strong
Enumerator
Break 
Teq 
TeqMM 

Definition at line 88 of file MipsISelLowering.cpp.

Function Documentation

◆ addLiveIn()

unsigned addLiveIn ( MachineFunction & MF,
unsigned PReg,
const TargetRegisterClass * RC )
static

Definition at line 1280 of file MipsISelLowering.cpp.

References llvm::MachineRegisterInfo::addLiveIn(), llvm::MachineRegisterInfo::createVirtualRegister(), and llvm::MachineFunction::getRegInfo().

◆ CC_MipsO32() [1/2]

bool CC_MipsO32 ( unsigned ValNo,
MVT ValVT,
MVT LocVT,
CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags,
Type * OrigTy,
CCState & State )
static

◆ CC_MipsO32() [2/2]

bool CC_MipsO32 ( unsigned ValNo,
MVT ValVT,
MVT LocVT,
CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags,
Type * OrigTy,
CCState & State,
ArrayRef< MCPhysReg > F64Regs )
static

Definition at line 3088 of file MipsISelLowering.cpp.

References llvm::CCValAssign::AExt, llvm::CCValAssign::AExtUpper, assert(), F32Regs, llvm::MipsSubtarget::getABI(), llvm::CCValAssign::getCustomReg(), llvm::CCValAssign::getMem(), llvm::ISD::ArgFlagsTy::getNonZeroOrigAlign(), llvm::CCValAssign::getReg(), llvm::MVT::getStoreSize(), IntRegs, llvm::ISD::ArgFlagsTy::isByVal(), llvm::MVT::isFloatingPoint(), llvm::Type::isFPOrFPVectorTy(), llvm::ISD::ArgFlagsTy::isInReg(), llvm::MipsSubtarget::isLittle(), llvm::ISD::ArgFlagsTy::isSExt(), llvm::ISD::ArgFlagsTy::isSplit(), llvm::Type::isVectorTy(), llvm::ISD::ArgFlagsTy::isZExt(), llvm_unreachable, llvm::Offset, Reg, llvm::CCValAssign::SExt, llvm::CCValAssign::SExtUpper, llvm::CCValAssign::ZExt, and llvm::CCValAssign::ZExtUpper.

Referenced by CC_MipsO32_FP32(), and CC_MipsO32_FP64().

◆ CC_MipsO32_FP32()

bool CC_MipsO32_FP32 ( unsigned ValNo,
MVT ValVT,
MVT LocVT,
CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags,
Type * OrigTy,
CCState & State )
static

Definition at line 3210 of file MipsISelLowering.cpp.

References CC_MipsO32().

◆ CC_MipsO32_FP64()

bool CC_MipsO32_FP64 ( unsigned ValNo,
MVT ValVT,
MVT LocVT,
CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags,
Type * OrigTy,
CCState & State )
static

Definition at line 3220 of file MipsISelLowering.cpp.

References CC_MipsO32().

◆ condCodeToFCC()

Mips::CondCode condCodeToFCC ( ISD::CondCode CC)
static

Definition at line 520 of file MipsISelLowering.cpp.

References 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().

◆ createCMovFP()

SDValue createCMovFP ( SelectionDAG & DAG,
SDValue Cond,
SDValue True,
SDValue False,
const SDLoc & DL )
static

Definition at line 583 of file MipsISelLowering.cpp.

References llvm::cast(), Cond, DL, llvm::False, llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getRegister(), llvm::ConstantSDNode::getSExtValue(), invertFPCondCodeUser(), and llvm::True.

◆ createFPCmp()

SDValue createFPCmp ( SelectionDAG & DAG,
const SDValue & Op )
static

Definition at line 560 of file MipsISelLowering.cpp.

References llvm::cast(), condCodeToFCC(), DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), LHS, RHS, llvm::ISD::SETCC, llvm::ISD::STRICT_FSETCC, and llvm::ISD::STRICT_FSETCCS.

◆ createLoadLR()

SDValue createLoadLR ( unsigned Opc,
SelectionDAG & DAG,
LoadSDNode * LD,
SDValue Chain,
SDValue Src,
unsigned Offset )
static

Definition at line 2866 of file MipsISelLowering.cpp.

References AbstractManglingParser< Derived, Alloc >::Ops, llvm::ISD::ADD, DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getMemIntrinsicNode(), llvm::SelectionDAG::getNode(), llvm::SDValue::getValueType(), llvm::SelectionDAG::getVTList(), llvm::Offset, and Opc.

Referenced by llvm::MipsTargetLowering::lowerLOAD().

◆ createStoreLR()

SDValue createStoreLR ( unsigned Opc,
SelectionDAG & DAG,
StoreSDNode * SD,
SDValue Chain,
unsigned Offset )
static

Definition at line 2948 of file MipsISelLowering.cpp.

References AbstractManglingParser< Derived, Alloc >::Ops, 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::SDValue::getValueType(), llvm::SelectionDAG::getVTList(), llvm::Offset, and Opc.

Referenced by lowerUnalignedIntStore().

◆ insertDivByZeroTrap()

MachineBasicBlock * insertDivByZeroTrap ( const MipsMCOptions & MCCLOpts,
MachineInstr & MI,
MachineBasicBlock & MBB,
const TargetInstrInfo & TII,
bool Is64Bit,
const DivByZeroTrapKind TrapKind )
static

Definition at line 1288 of file MipsISelLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMBB(), llvm::MachineInstrBuilder::addReg(), llvm::MachineBasicBlock::addSuccessor(), Break, llvm::BuildMI(), llvm::MachineFunction::CreateMachineBasicBlock(), DL, llvm::getKillRegState(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), I, llvm::MachineFunction::insert(), llvm::MachineOperand::isKill(), MBB, MI, llvm::MachineOperand::setIsKill(), llvm::MachineOperand::setSubReg(), TeqMM, and TII.

◆ invertFPCondCodeUser()

bool invertFPCondCodeUser ( Mips::CondCode CC)
static

This function returns true if the floating point conditional branches and conditional moves which use condition code CC should be inverted.

Definition at line 548 of file MipsISelLowering.cpp.

References assert(), llvm::Mips::FCOND_F, llvm::Mips::FCOND_GT, llvm::Mips::FCOND_NGT, and llvm::Mips::FCOND_T.

Referenced by createCMovFP().

◆ lowerFCOPYSIGN32()

SDValue lowerFCOPYSIGN32 ( SDValue Op,
SelectionDAG & DAG,
bool HasExtractInsert )
static

Definition at line 2501 of file MipsISelLowering.cpp.

References llvm::ISD::BITCAST, DL, E(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::ISD::OR, llvm::ISD::SHL, llvm::ISD::SRL, X, and Y.

◆ lowerFCOPYSIGN64()

SDValue lowerFCOPYSIGN64 ( SDValue Op,
SelectionDAG & DAG,
bool HasExtractInsert )
static

Definition at line 2548 of file MipsISelLowering.cpp.

References llvm::ISD::BITCAST, DL, E(), llvm::SelectionDAG::getConstant(), llvm::MVT::getIntegerVT(), llvm::SelectionDAG::getNode(), I, llvm::ISD::OR, llvm::ISD::SHL, llvm::ISD::SRL, llvm::ISD::TRUNCATE, X, Y, and llvm::ISD::ZERO_EXTEND.

◆ lowerFP_TO_SINT_STORE()

SDValue lowerFP_TO_SINT_STORE ( StoreSDNode * SD,
SelectionDAG & DAG,
bool SingleFloat )
static

Definition at line 2994 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(), and llvm::SDValue::getValueSizeInBits().

Referenced by llvm::MipsTargetLowering::lowerSTORE().

◆ lowerUnalignedIntStore()

SDValue lowerUnalignedIntStore ( StoreSDNode * SD,
SelectionDAG & DAG,
bool IsLittle )
static

Definition at line 2965 of file MipsISelLowering.cpp.

References assert(), createStoreLR(), llvm::MemSDNode::getChain(), llvm::StoreSDNode::getValue(), and llvm::StoreSDNode::isTruncatingStore().

Referenced by llvm::MipsTargetLowering::lowerSTORE().

◆ parsePhysicalReg()

std::pair< bool, bool > parsePhysicalReg ( StringRef C,
StringRef & Prefix,
unsigned long long & Reg )
static

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 4261 of file MipsISelLowering.cpp.

References B(), C(), E(), llvm::getAsUnsignedInteger(), I, and Reg.

◆ performADDCombine()

SDValue performADDCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 1036 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, DL, llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::MipsSubtarget::hasMips32(), llvm::MipsSubtarget::hasMips32r6(), llvm::MipsSubtarget::inMips16Mode(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), llvm::Lo, N, llvm::Other, performMADD_MSUBCombine(), std::swap(), and llvm::ISD::TargetJumpTable.

◆ performANDCombine()

SDValue performANDCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 701 of file MipsISelLowering.cpp.

References DL, llvm::dyn_cast(), 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, Opc, llvm::ISD::SHL, llvm::ISD::SRA, llvm::ISD::SRL, and uint64_t.

◆ performCMovFPCombine()

SDValue performCMovFPCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 674 of file MipsISelLowering.cpp.

References llvm::dyn_cast(), llvm::SelectionDAG::getNode(), llvm::ConstantSDNode::getZExtValue(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), N, and Opc.

Referenced by llvm::MipsTargetLowering::PerformDAGCombine().

◆ performDivRemCombine()

SDValue performDivRemCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 483 of file MipsISelLowering.cpp.

References DL, llvm::SelectionDAG::getCopyFromReg(), llvm::SelectionDAG::getEntryNode(), llvm::SelectionDAG::getNode(), llvm::SDValue::getValue(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), N, Opc, llvm::SelectionDAG::ReplaceAllUsesOfValueWith(), and llvm::ISD::SDIVREM.

Referenced by llvm::MipsTargetLowering::PerformDAGCombine().

◆ performMADD_MSUBCombine()

SDValue performMADD_MSUBCombine ( SDNode * ROOTNode,
SelectionDAG & CurDAG,
const MipsSubtarget & Subtarget )
static

Definition at line 926 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, llvm::ISD::BUILD_PAIR, DL, llvm::SelectionDAG::getNode(), llvm::SDNode::getOpcode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMips64(), llvm::SDValue::hasOneUse(), llvm::EVT::isVector(), 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().

◆ performORCombine()

SDValue performORCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 784 of file MipsISelLowering.cpp.

References llvm::ISD::AND, assert(), DL, llvm::dyn_cast(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOperand(), llvm::SDValue::getOperand(), llvm::ConstantSDNode::getSExtValue(), llvm::SelectionDAG::getSignedConstant(), llvm::EVT::getSizeInBits(), llvm::ConstantSDNode::getZExtValue(), llvm::MipsSubtarget::hasExtractInsert(), llvm::MipsSubtarget::hasMips64r2(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), llvm::isShiftedMask_64(), llvm::maskTrailingOnes(), N, llvm::ISD::SHL, llvm::ISD::SRL, and uint64_t.

◆ performSELECTCombine()

SDValue performSELECTCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 593 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, llvm::cast(), DL, llvm::dyn_cast(), llvm::False, 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, llvm::ISD::SETCC, and llvm::True.

◆ performSHLCombine()

SDValue performSHLCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 1075 of file MipsISelLowering.cpp.

References llvm::ISD::AND, DL, llvm::dyn_cast(), 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(), N, and uint64_t.

◆ performSignExtendCombine()

SDValue performSignExtendCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 1127 of file MipsISelLowering.cpp.

References llvm::AfterLegalizeDAG, llvm::ISD::Constant, llvm::dyn_cast(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOperand(), llvm::SDValue::getOperand(), llvm::SDValue::getValueType(), llvm::SelectionDAG::getValueType(), llvm::MipsSubtarget::isGP64bit(), llvm::TargetLowering::DAGCombinerInfo::Level, N, llvm::ISD::SIGN_EXTEND_INREG, llvm::ISD::TRUNCATE, and llvm::ISD::XOR.

Referenced by llvm::MipsTargetLowering::PerformDAGCombine().

◆ performSUBCombine()

SDValue performSUBCombine ( SDNode * N,
SelectionDAG & DAG,
TargetLowering::DAGCombinerInfo & DCI,
const MipsSubtarget & Subtarget )
static

Definition at line 1021 of file MipsISelLowering.cpp.

References llvm::MipsSubtarget::hasMips32(), llvm::MipsSubtarget::hasMips32r6(), llvm::MipsSubtarget::inMips16Mode(), llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalizeOps(), N, and performMADD_MSUBCombine().

◆ STATISTIC()

STATISTIC ( NumTailCalls ,
"Number of tail calls"  )

◆ UnpackFromArgumentSlot()

SDValue UnpackFromArgumentSlot ( SDValue Val,
const CCValAssign & VA,
EVT ArgVT,
const SDLoc & DL,
SelectionDAG & DAG )
static

Definition at line 3814 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.

Variable Documentation

◆ Mips64DPRegs

const MCPhysReg Mips64DPRegs[8]
static
Initial value:
= {
Mips::D12_64, Mips::D13_64, Mips::D14_64, Mips::D15_64,
Mips::D16_64, Mips::D17_64, Mips::D18_64, Mips::D19_64
}

Definition at line 83 of file MipsISelLowering.cpp.

Referenced by llvm::MipsTargetLowering::HandleByVal().

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