MipsSEISelLowering.cpp File Reference

#include "MipsSEISelLowering.h"
#include "MipsMachineFunction.h"
#include "MipsRegisterInfo.h"
#include "MipsSubtarget.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Triple.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MachineValueType.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <iterator>
#include <utility>

Include dependency graph for MipsSEISelLowering.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "mips-isel"

Functions
static SDValue	performANDCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static bool	isVSplat (SDValue N, APInt &Imm, bool IsLittleEndian)
static bool	isVectorAllOnes (SDValue N)
static bool	isBitwiseInverse (SDValue N, SDValue OfNode)
static SDValue	performORCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static bool	shouldTransformMulToShiftsAddsSubs (APInt C, EVT VT, SelectionDAG &DAG, const MipsSubtarget &Subtarget)
static SDValue	genConstMult (SDValue X, APInt C, const SDLoc &DL, EVT VT, EVT ShiftTy, SelectionDAG &DAG)
static SDValue	performMULCombine (SDNode *N, SelectionDAG &DAG, const TargetLowering::DAGCombinerInfo &DCI, const MipsSETargetLowering *TL, const MipsSubtarget &Subtarget)
static SDValue	performDSPShiftCombine (unsigned Opc, SDNode *N, EVT Ty, SelectionDAG &DAG, const MipsSubtarget &Subtarget)
static SDValue	performSHLCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue	performSRACombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static SDValue	performSRLCombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget &Subtarget)
static bool	isLegalDSPCondCode (EVT Ty, ISD::CondCode CC)
static SDValue	performSETCCCombine (SDNode *N, SelectionDAG &DAG)
static SDValue	performVSELECTCombine (SDNode *N, SelectionDAG &DAG)
static SDValue	performXORCombine (SDNode *N, SelectionDAG &DAG, const MipsSubtarget &Subtarget)
static SDValue	initAccumulator (SDValue In, const SDLoc &DL, SelectionDAG &DAG)
static SDValue	extractLOHI (SDValue Op, const SDLoc &DL, SelectionDAG &DAG)
static SDValue	lowerDSPIntr (SDValue Op, SelectionDAG &DAG, unsigned Opc)
static SDValue	lowerMSACopyIntr (SDValue Op, SelectionDAG &DAG, unsigned Opc)
static SDValue	lowerMSASplatZExt (SDValue Op, unsigned OpNr, SelectionDAG &DAG)
static SDValue	lowerMSASplatImm (SDValue Op, unsigned ImmOp, SelectionDAG &DAG, bool IsSigned=false)
static SDValue	getBuildVectorSplat (EVT VecTy, SDValue SplatValue, bool BigEndian, SelectionDAG &DAG)
static SDValue	lowerMSABinaryBitImmIntr (SDValue Op, SelectionDAG &DAG, unsigned Opc, SDValue Imm, bool BigEndian)
static SDValue	truncateVecElts (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerMSABitClear (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerMSABitClearImm (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerMSALoadIntr (SDValue Op, SelectionDAG &DAG, unsigned Intr, const MipsSubtarget &Subtarget)
static SDValue	lowerMSAStoreIntr (SDValue Op, SelectionDAG &DAG, unsigned Intr, const MipsSubtarget &Subtarget)
static bool	isConstantOrUndef (const SDValue Op)
static bool	isConstantOrUndefBUILD_VECTOR (const BuildVectorSDNode *Op)
static SDValue	lowerVECTOR_SHUFFLE_SHF (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
template<typename ValType >
static bool	fitsRegularPattern (typename SmallVectorImpl< ValType >::const_iterator Begin, unsigned CheckStride, typename SmallVectorImpl< ValType >::const_iterator End, ValType ExpectedIndex, unsigned ExpectedIndexStride)
	Determine whether a range fits a regular pattern of values. More...
static bool	isVECTOR_SHUFFLE_SPLATI (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
static SDValue	lowerVECTOR_SHUFFLE_ILVEV (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
static SDValue	lowerVECTOR_SHUFFLE_ILVOD (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
static SDValue	lowerVECTOR_SHUFFLE_ILVR (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
static SDValue	lowerVECTOR_SHUFFLE_ILVL (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
static SDValue	lowerVECTOR_SHUFFLE_PCKEV (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
static SDValue	lowerVECTOR_SHUFFLE_PCKOD (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)
static SDValue	lowerVECTOR_SHUFFLE_VSHF (SDValue Op, EVT ResTy, SmallVector< int, 16 > Indices, SelectionDAG &DAG)

Variables
static cl::opt< bool >	UseMipsTailCalls ("mips-tail-calls", cl::Hidden, cl::desc("MIPS: permit tail calls."), cl::init(false))
static cl::opt< bool >	NoDPLoadStore ("mno-ldc1-sdc1", cl::init(false), cl::desc("Expand double precision loads and " "stores to their single precision " "counterparts"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "mips-isel"

Definition at line 52 of file MipsSEISelLowering.cpp.

Function Documentation

extractLOHI()

static SDValue extractLOHI ( SDValue  Op, const SDLoc &  DL, SelectionDAG &  DAG  )

static

Definition at line 1294 of file MipsSEISelLowering.cpp.

References llvm::ISD::BUILD_PAIR, llvm::SelectionDAG::getNode(), llvm::MipsISD::Hi, llvm::MVT::i32, llvm::MVT::i64, llvm::MipsISD::Lo, llvm::MipsISD::MFHI, and llvm::MipsISD::MFLO.

Referenced by lowerDSPIntr().

fitsRegularPattern()

template<typename ValType >

static bool fitsRegularPattern ( typename SmallVectorImpl< ValType >::const_iterator  Begin, unsigned  CheckStride, typename SmallVectorImpl< ValType >::const_iterator  End, ValType  ExpectedIndex, unsigned  ExpectedIndexStride  )

static

Determine whether a range fits a regular pattern of values.

This function accounts for the possibility of jumping over the End iterator.

Definition at line 2607 of file MipsSEISelLowering.cpp.

genConstMult()

static SDValue genConstMult ( SDValue  X, APInt  C, const SDLoc &  DL, EVT  VT, EVT  ShiftTy, SelectionDAG &  DAG  )

static

Definition at line 792 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADD, llvm::APInt::ceilLogBase2(), llvm::APInt::getBitWidth(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::APInt::isNegative(), llvm::APInt::isPowerOf2(), llvm::APInt::logBase2(), llvm::ISD::SHL, llvm::ISD::SUB, and X.

Referenced by performMULCombine().

getBuildVectorSplat()

static SDValue getBuildVectorSplat ( EVT  VecTy, SDValue  SplatValue, bool  BigEndian, SelectionDAG &  DAG  )

static

Definition at line 1427 of file MipsSEISelLowering.cpp.

References llvm::ISD::BITCAST, llvm::SelectionDAG::getBuildVector(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::EVT::getVectorNumElements(), llvm::MVT::i32, llvm::MVT::i64, llvm::makeArrayRef(), llvm::ISD::SRL, std::swap(), llvm::ISD::TRUNCATE, llvm::MVT::v2i64, and llvm::MVT::v4i32.

Referenced by lowerMSABinaryBitImmIntr(), and truncateVecElts().

initAccumulator()

static SDValue initAccumulator ( SDValue  In, const SDLoc &  DL, SelectionDAG &  DAG  )

static

Definition at line 1286 of file MipsSEISelLowering.cpp.

References llvm::ISD::EXTRACT_ELEMENT, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::MVT::i32, llvm::MipsISD::MTLOHI, and llvm::MVT::Untyped.

Referenced by lowerDSPIntr().

isBitwiseInverse()

static bool isBitwiseInverse ( SDValue  N, SDValue  OfNode  )

static

Definition at line 577 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), isVectorAllOnes(), and llvm::ISD::XOR.

isConstantOrUndef()

static bool isConstantOrUndef ( const SDValue  Op )

static

Definition at line 2429 of file MipsSEISelLowering.cpp.

References llvm::SDNode::isUndef().

Referenced by isConstantOrUndefBUILD_VECTOR().

isConstantOrUndefBUILD_VECTOR()

static bool isConstantOrUndefBUILD_VECTOR ( const BuildVectorSDNode *  Op )

static

Definition at line 2439 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getNumOperands(), llvm::SDNode::getOperand(), and isConstantOrUndef().

isLegalDSPCondCode()

static bool isLegalDSPCondCode ( EVT  Ty, ISD::CondCode  CC  )

static

Definition at line 949 of file MipsSEISelLowering.cpp.

References llvm::ISD::SETEQ, llvm::ISD::SETGE, llvm::ISD::SETGT, llvm::ISD::SETLE, llvm::ISD::SETLT, llvm::ISD::SETNE, llvm::ISD::SETUGE, llvm::ISD::SETUGT, llvm::ISD::SETULE, llvm::ISD::SETULT, and llvm::MVT::v2i16.

Referenced by performSETCCCombine().

isVECTOR_SHUFFLE_SPLATI()

static bool isVECTOR_SHUFFLE_SPLATI ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2634 of file MipsSEISelLowering.cpp.

References assert(), and llvm::SmallVectorBase::size().

isVectorAllOnes()

static bool isVectorAllOnes ( SDValue  N )

static

Definition at line 553 of file MipsSEISelLowering.cpp.

References llvm::ISD::BITCAST, llvm::dyn_cast(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::APInt::isAllOnesValue(), llvm::BuildVectorSDNode::isConstantSplat(), and N.

Referenced by isBitwiseInverse().

isVSplat()

static bool isVSplat ( SDValue  N, APInt &  Imm, bool  IsLittleEndian  )

static

Definition at line 533 of file MipsSEISelLowering.cpp.

lowerDSPIntr()

static SDValue lowerDSPIntr ( SDValue  Op, SelectionDAG &  DAG, unsigned  Opc  )

static

Definition at line 1312 of file MipsSEISelLowering.cpp.

References assert(), E, extractLOHI(), llvm::SelectionDAG::getMergeValues(), llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDNode::getNumOperands(), llvm::SDValue::getOpcode(), llvm::SDNode::getOperand(), llvm::SDValue::getValueType(), llvm::SDNode::getValueType(), I, llvm::MVT::i64, initAccumulator(), llvm::MVT::Other, llvm::SmallVectorTemplateBase< T >::push_back(), llvm::ISD::TargetConstant, llvm::MVT::Untyped, llvm::SDNode::value_begin(), and llvm::SDNode::value_end().

Referenced by lowerMSABitClearImm(), and lowerMSALoadIntr().

lowerMSABinaryBitImmIntr()

static SDValue lowerMSABinaryBitImmIntr ( SDValue  Op, SelectionDAG &  DAG, unsigned  Opc, SDValue  Imm, bool  BigEndian  )

static

Definition at line 1463 of file MipsSEISelLowering.cpp.

References llvm::ISD::BITCAST, llvm::SelectionDAG::getBuildVector(), getBuildVectorSplat(), llvm::SelectionDAG::getConstant(), llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::MVT::i32, llvm::MVT::i64, llvm::APInt::lshr(), llvm::ISD::SHL, std::swap(), llvm::APInt::trunc(), llvm::MVT::v2i64, llvm::MVT::v4i32, and llvm::ISD::ZERO_EXTEND.

Referenced by lowerMSABitClearImm().

lowerMSABitClear()

static SDValue lowerMSABitClear ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1520 of file MipsSEISelLowering.cpp.

References llvm::ISD::AND, llvm::tgtok::Bit, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getNOT(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::ISD::SHL, and truncateVecElts().

Referenced by lowerMSABitClearImm().

lowerMSABitClearImm()

static SDValue lowerMSABitClearImm ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1530 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADD, llvm::ISD::AND, llvm::ISD::CTLZ, llvm::ISD::CTPOP, llvm::MipsISD::DPA_W_PH, llvm::MipsISD::DPAU_H_QBL, llvm::MipsISD::DPAU_H_QBR, llvm::MipsISD::DPAX_W_PH, llvm::MipsISD::DPS_W_PH, llvm::MipsISD::DPSU_H_QBL, llvm::MipsISD::DPSU_H_QBR, llvm::MipsISD::DPSX_W_PH, llvm::ISD::EXTRACT_VECTOR_ELT, llvm::ISD::FADD, llvm::ISD::FDIV, llvm::ISD::FEXP2, llvm::ISD::FLOG2, llvm::ISD::FMA, llvm::MipsISD::FMS, llvm::ISD::FMUL, llvm::ISD::FP_TO_SINT, llvm::ISD::FP_TO_UINT, llvm::ISD::FRINT, llvm::ISD::FSQRT, llvm::ISD::FSUB, llvm::SelectionDAG::getBuildVector(), llvm::SelectionDAG::getConstant(), llvm::SDNode::getConstantOperandVal(), llvm::SelectionDAG::getDataLayout(), llvm::APInt::getHighBitsSet(), llvm::APInt::getLowBitsSet(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getNOT(), llvm::SDNode::getOperand(), llvm::TargetLoweringBase::getPointerTy(), llvm::EVT::getScalarSizeInBits(), llvm::SelectionDAG::getSetCC(), llvm::EVT::getSizeInBits(), llvm::SDNode::getValueType(), llvm::EVT::getVectorElementType(), llvm::EVT::getVectorNumElements(), llvm::MipsSubtarget::hasMips64(), llvm::MVT::i32, llvm::MipsISD::ILVEV, llvm::MipsISD::ILVL, llvm::MipsISD::ILVOD, llvm::MipsISD::ILVR, llvm::ISD::INSERT_VECTOR_ELT, llvm::MipsISD::INSVE, llvm::MipsSubtarget::isLittle(), llvm_unreachable, lowerDSPIntr(), lowerMSABinaryBitImmIntr(), lowerMSABitClear(), lowerMSACopyIntr(), lowerMSASplatImm(), lowerMSASplatZExt(), llvm::MipsISD::MAdd, llvm::MipsISD::MAddu, llvm::BitmaskEnumDetail::Mask(), llvm::MipsISD::MSub, llvm::MipsISD::MSubu, llvm::ISD::MUL, llvm::MipsISD::MULSA_W_PH, llvm::MipsISD::Mult, llvm::MipsISD::Multu, llvm::ISD::OR, llvm::MipsISD::PCKEV, llvm::MipsISD::PCKOD, llvm::report_fatal_error(), llvm::ISD::SDIV, llvm::ISD::SETEQ, llvm::ISD::SETLE, llvm::ISD::SETLT, llvm::ISD::SETO, llvm::ISD::SETOEQ, llvm::ISD::SETOLE, llvm::ISD::SETOLT, llvm::ISD::SETONE, llvm::ISD::SETUEQ, llvm::ISD::SETULE, llvm::ISD::SETULT, llvm::ISD::SETUNE, llvm::ISD::SETUO, llvm::MipsISD::SHF, llvm::MipsISD::SHILO, llvm::ISD::SHL, llvm::ISD::SINT_TO_FP, llvm::ISD::SMAX, llvm::ISD::SMIN, llvm::ISD::SRA, llvm::ISD::SREM, llvm::ISD::SRL, llvm::ISD::SUB, llvm::MipsTargetLowering::Subtarget, llvm::MipsISD::ThreadPointer, truncateVecElts(), llvm::ISD::UDIV, llvm::ISD::UINT_TO_FP, llvm::ISD::UMAX, llvm::ISD::UMIN, llvm::ISD::UREM, llvm::MipsISD::VALL_NONZERO, llvm::MipsISD::VALL_ZERO, llvm::MipsISD::VANY_NONZERO, llvm::MipsISD::VANY_ZERO, llvm::MipsISD::VEXTRACT_SEXT_ELT, llvm::MipsISD::VEXTRACT_ZEXT_ELT, llvm::ISD::VSELECT, llvm::MipsISD::VSHF, and llvm::ISD::XOR.

lowerMSACopyIntr()

static SDValue lowerMSACopyIntr ( SDValue  Op, SelectionDAG &  DAG, unsigned  Opc  )

static

Definition at line 1361 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SelectionDAG::getValueType(), llvm::SDNode::getValueType(), and llvm::EVT::getVectorElementType().

Referenced by lowerMSABitClearImm().

lowerMSALoadIntr()

static SDValue lowerMSALoadIntr ( SDValue  Op, SelectionDAG &  DAG, unsigned  Intr, const MipsSubtarget &  Subtarget  )

static

Definition at line 2293 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADD, llvm::Address, llvm::MipsISD::DPAQ_S_W_PH, llvm::MipsISD::DPAQ_SA_L_W, llvm::MipsISD::DPAQX_S_W_PH, llvm::MipsISD::DPAQX_SA_W_PH, llvm::MipsISD::DPSQ_S_W_PH, llvm::MipsISD::DPSQ_SA_L_W, llvm::MipsISD::DPSQX_S_W_PH, llvm::MipsISD::DPSQX_SA_W_PH, llvm::MipsISD::EXTP, llvm::MipsISD::EXTPDP, llvm::MipsISD::EXTR_R_W, llvm::MipsISD::EXTR_RS_W, llvm::MipsISD::EXTR_S_H, llvm::MipsISD::EXTR_W, llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), Intr, llvm::MipsSubtarget::isABI_N64(), lowerDSPIntr(), llvm::MipsISD::MAQ_S_W_PHL, llvm::MipsISD::MAQ_S_W_PHR, llvm::MipsISD::MAQ_SA_W_PHL, llvm::MipsISD::MAQ_SA_W_PHR, llvm::MipsISD::MTHLIP, llvm::MipsISD::MULSAQ_S_W_PH, llvm::ISD::SIGN_EXTEND, and llvm::MipsTargetLowering::Subtarget.

lowerMSASplatImm()

static SDValue lowerMSASplatImm ( SDValue  Op, unsigned  ImmOp, SelectionDAG &  DAG, bool  IsSigned = false  )

static

Definition at line 1418 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getConstant(), llvm::SDNode::getOperand(), llvm::EVT::getScalarType(), llvm::EVT::getSizeInBits(), and llvm::SDNode::getValueType().

Referenced by lowerMSABitClearImm().

lowerMSASplatZExt()

static SDValue lowerMSASplatZExt ( SDValue  Op, unsigned  OpNr, SelectionDAG &  DAG  )

static

Definition at line 1374 of file MipsSEISelLowering.cpp.

References llvm::ISD::AND, llvm::ISD::BITCAST, llvm::SelectionDAG::getBuildVector(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SelectionDAG::getSubtarget(), llvm::MCSubtargetInfo::getTargetTriple(), llvm::SDNode::getValueType(), llvm::EVT::getVectorNumElements(), llvm::MVT::i32, llvm::Triple::isLittleEndian(), llvm::makeArrayRef(), std::swap(), llvm::MVT::v2i64, and llvm::MVT::v4i32.

Referenced by lowerMSABitClearImm().

lowerMSAStoreIntr()

static SDValue lowerMSAStoreIntr ( SDValue  Op, SelectionDAG &  DAG, unsigned  Intr, const MipsSubtarget &  Subtarget  )

static

Definition at line 2367 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADD, llvm::Address, llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getValueType(), llvm::SDNode::getValueType(), llvm::EVT::getVectorElementType(), Intr, llvm::EVT::is128BitVector(), llvm::MipsSubtarget::isABI_N64(), llvm::EVT::isInteger(), llvm::ISD::SIGN_EXTEND, llvm::MipsTargetLowering::Subtarget, and llvm::MipsISD::VEXTRACT_SEXT_ELT.

lowerVECTOR_SHUFFLE_ILVEV()

static SDValue lowerVECTOR_SHUFFLE_ILVEV ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2666 of file MipsSEISelLowering.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T >::begin(), and llvm::SmallVectorBase::size().

lowerVECTOR_SHUFFLE_ILVL()

static SDValue lowerVECTOR_SHUFFLE_ILVL ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2806 of file MipsSEISelLowering.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T >::begin(), and llvm::SmallVectorBase::size().

lowerVECTOR_SHUFFLE_ILVOD()

static SDValue lowerVECTOR_SHUFFLE_ILVOD ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2712 of file MipsSEISelLowering.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T >::begin(), and llvm::SmallVectorBase::size().

lowerVECTOR_SHUFFLE_ILVR()

static SDValue lowerVECTOR_SHUFFLE_ILVR ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2759 of file MipsSEISelLowering.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T >::begin(), and llvm::SmallVectorBase::size().

lowerVECTOR_SHUFFLE_PCKEV()

static SDValue lowerVECTOR_SHUFFLE_PCKEV ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2854 of file MipsSEISelLowering.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T >::begin(), and llvm::SmallVectorBase::size().

lowerVECTOR_SHUFFLE_PCKOD()

static SDValue lowerVECTOR_SHUFFLE_PCKOD ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2897 of file MipsSEISelLowering.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T >::begin(), and llvm::SmallVectorBase::size().

lowerVECTOR_SHUFFLE_SHF()

static SDValue lowerVECTOR_SHUFFLE_SHF ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2553 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SelectionDAG::getTargetConstant(), llvm::MVT::i32, llvm::MipsISD::SHF, and llvm::SmallVectorBase::size().

lowerVECTOR_SHUFFLE_VSHF()

static SDValue lowerVECTOR_SHUFFLE_VSHF ( SDValue  Op, EVT  ResTy, SmallVector< int, 16 >  Indices, SelectionDAG &  DAG  )

static

Definition at line 2933 of file MipsSEISelLowering.cpp.

References llvm::SmallVectorTemplateCommon< T >::begin(), llvm::EVT::changeVectorElementTypeToInteger(), llvm::SmallVectorTemplateCommon< T >::end(), llvm::SelectionDAG::getBuildVector(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SelectionDAG::getTargetConstant(), llvm::EVT::getVectorElementType(), llvm::EVT::getVectorNumElements(), I, llvm_unreachable, llvm::SmallVectorTemplateBase< T >::push_back(), and llvm::MipsISD::VSHF.

performANDCombine()

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

static

Definition at line 481 of file MipsSEISelLowering.cpp.

References llvm::dyn_cast(), llvm::ConstantSDNode::getAPIntValue(), llvm::SelectionDAG::getNode(), llvm::SDNode::getNumOperands(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::EVT::getSizeInBits(), llvm::SDNode::getVTList(), llvm::MipsSubtarget::hasMSA(), llvm::Log2(), llvm::makeArrayRef(), llvm::BitmaskEnumDetail::Mask(), llvm::MipsISD::VEXTRACT_SEXT_ELT, and llvm::MipsISD::VEXTRACT_ZEXT_ELT.

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

performDSPShiftCombine()

static SDValue performDSPShiftCombine ( unsigned  Opc, SDNode *  N, EVT  Ty, SelectionDAG &  DAG, const MipsSubtarget &  Subtarget  )

static

Definition at line 844 of file MipsSEISelLowering.cpp.

References llvm::dyn_cast(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::EVT::getScalarSizeInBits(), llvm::APInt::getZExtValue(), llvm::MipsSubtarget::hasDSP(), llvm::MVT::i32, llvm::BuildVectorSDNode::isConstantSplat(), and llvm::MipsSubtarget::isLittle().

Referenced by performSHLCombine(), performSRACombine(), and performSRLCombine().

performMULCombine()

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

static

Definition at line 828 of file MipsSEISelLowering.cpp.

References C, genConstMult(), llvm::SDNode::getOperand(), llvm::MipsTargetLowering::getScalarShiftAmountTy(), llvm::SDNode::getValueType(), llvm::EVT::isVector(), shouldTransformMulToShiftsAddsSubs(), and llvm::MipsTargetLowering::Subtarget.

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

performORCombine()

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

static

Definition at line 596 of file MipsSEISelLowering.cpp.

References llvm::ISD::AND, llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMSA(), llvm::EVT::is128BitVector(), and llvm::MipsSubtarget::isLittle().

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

performSETCCCombine()

static SDValue performSETCCCombine ( SDNode *  N, SelectionDAG &  DAG  )

static

Definition at line 967 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), isLegalDSPCondCode(), llvm::MipsISD::SETCC_DSP, llvm::MVT::v2i16, and llvm::MVT::v4i8.

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

performSHLCombine()

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

static

Definition at line 869 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getValueType(), performDSPShiftCombine(), llvm::MipsISD::SHLL_DSP, llvm::MVT::v2i16, and llvm::MVT::v4i8.

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

performSRACombine()

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

static

Definition at line 892 of file MipsSEISelLowering.cpp.

References llvm::dyn_cast(), llvm::SelectionDAG::getNode(), llvm::SDNode::getNumOperands(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::EVT::getSizeInBits(), llvm::SDNode::getValueType(), llvm::SDNode::getVTList(), llvm::ConstantSDNode::getZExtValue(), llvm::MipsSubtarget::hasDSPR2(), llvm::MipsSubtarget::hasMSA(), llvm::makeArrayRef(), performDSPShiftCombine(), llvm::ISD::SHL, llvm::MipsISD::SHRA_DSP, llvm::MVT::v2i16, llvm::MVT::v4i8, llvm::MipsISD::VEXTRACT_SEXT_ELT, and llvm::MipsISD::VEXTRACT_ZEXT_ELT.

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

performSRLCombine()

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

static

Definition at line 938 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasDSPR2(), performDSPShiftCombine(), llvm::MipsISD::SHRL_DSP, llvm::MVT::v2i16, and llvm::MVT::v4i8.

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

performVSELECTCombine()

static SDValue performVSELECTCombine ( SDNode *  N, SelectionDAG &  DAG  )

static

Definition at line 980 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::MipsISD::SELECT_CC_DSP, llvm::MipsISD::SETCC_DSP, llvm::MVT::v2i16, and llvm::MVT::v4i8.

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

performXORCombine()

static SDValue performXORCombine ( SDNode *  N, SelectionDAG &  DAG, const MipsSubtarget &  Subtarget  )

static

Definition at line 997 of file MipsSEISelLowering.cpp.

References llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMSA(), llvm::EVT::is128BitVector(), llvm::ISD::isBuildVectorAllOnes(), llvm::EVT::isInteger(), llvm::ISD::OR, and llvm::MipsISD::VNOR.

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

shouldTransformMulToShiftsAddsSubs()

static bool shouldTransformMulToShiftsAddsSubs ( APInt  C, EVT  VT, SelectionDAG &  DAG, const MipsSubtarget &  Subtarget  )

static

Definition at line 716 of file MipsSEISelLowering.cpp.

References llvm::MipsSubtarget::isABI_O32().

Referenced by performMULCombine().

truncateVecElts()

static SDValue truncateVecElts ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1507 of file MipsSEISelLowering.cpp.

References llvm::ISD::AND, getBuildVectorSplat(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SDValue::getScalarValueSizeInBits(), llvm::SelectionDAG::getSubtarget(), llvm::MCSubtargetInfo::getTargetTriple(), llvm::SDNode::getValueType(), llvm::MVT::i32, llvm::MVT::i64, llvm::Triple::isLittleEndian(), and llvm::MVT::v2i64.

Referenced by lowerMSABitClear(), and lowerMSABitClearImm().

Variable Documentation

NoDPLoadStore

cl::opt<bool> NoDPLoadStore("mno-ldc1-sdc1", cl::init(false), cl::desc("Expand double precision loads and " "stores to their single precision " "counterparts"))

static

Referenced by llvm::MipsSETargetLowering::EmitInstrWithCustomInserter(), and llvm::MipsSETargetLowering::MipsSETargetLowering().

UseMipsTailCalls

cl::opt<bool> UseMipsTailCalls("mips-tail-calls", cl::Hidden, cl::desc("MIPS: permit tail calls."), cl::init(false))

static

Referenced by llvm::MipsSETargetLowering::EmitInstrWithCustomInserter().