MipsSEISelLowering.cpp File Reference

#include "MipsSEISelLowering.h"
#include "MipsRegisterInfo.h"
#include "MipsTargetMachine.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"

Include dependency graph for MipsSEISelLowering.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "mips-isel"

Functions
static bool	selectMADD (SDNode *ADDENode, SelectionDAG *CurDAG)
static bool	selectMSUB (SDNode *SUBENode, SelectionDAG *CurDAG)
static SDValue	performADDECombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget *Subtarget)
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 SDValue	performSUBECombine (SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const MipsSubtarget *Subtarget)
static SDValue	genConstMult (SDValue X, uint64_t C, SDLoc DL, EVT VT, EVT ShiftTy, SelectionDAG &DAG)
static SDValue	performMULCombine (SDNode *N, SelectionDAG &DAG, const TargetLowering::DAGCombinerInfo &DCI, const MipsSETargetLowering *TL)
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, SDLoc DL, SelectionDAG &DAG)
static SDValue	extractLOHI (SDValue Op, 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)
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	lowerMSABitClear (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerMSABitClearImm (SDValue Op, SelectionDAG &DAG)
static SDValue	lowerMSALoadIntr (SDValue Op, SelectionDAG &DAG, unsigned Intr)
static SDValue	lowerMSAStoreIntr (SDValue Op, SelectionDAG &DAG, unsigned Intr)
static bool	isSplatVector (const BuildVectorSDNode *N)
	Check if the given BuildVectorSDNode is a splat. This method currently relies on DAG nodes being reused when equivalent, so it's possible for this to return false even when isConstantSplat returns true. More...
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)
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_ILVL (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_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 >	EnableMipsTailCalls ("enable-mips-tail-calls", cl::Hidden, cl::desc("MIPS: Enable 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

#define DEBUG_TYPE   "mips-isel"

Definition at line 13 of file MipsSEISelLowering.cpp.

Function Documentation

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

static

Definition at line 1184 of file MipsSEISelLowering.cpp.

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

Referenced by lowerDSPIntr().

static SDValue genConstMult ( SDValue  X, uint64_t  C, SDLoc  DL, EVT  VT, EVT  ShiftTy, SelectionDAG &  DAG  )

static

Definition at line 697 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADD, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::EVT::getSizeInBits(), llvm::isPowerOf2_64(), llvm::Log2_64(), llvm::Log2_64_Ceil(), llvm::ISD::SHL, llvm::ISD::SUB, and llvm::X.

Referenced by performMULCombine().

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

static

Definition at line 1297 of file MipsSEISelLowering.cpp.

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

Referenced by lowerMSABinaryBitImmIntr().

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

static

Definition at line 1176 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().

static bool isBitwiseInverse ( SDValue  N, SDValue  OfNode  )

static

Definition at line 545 of file MipsSEISelLowering.cpp.

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

Referenced by performORCombine().

static bool isConstantOrUndef ( const SDValue  Op )

static

Definition at line 2162 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getOpcode(), and llvm::ISD::UNDEF.

Referenced by isConstantOrUndefBUILD_VECTOR().

static bool isConstantOrUndefBUILD_VECTOR ( const BuildVectorSDNode *  Op )

static

Definition at line 2172 of file MipsSEISelLowering.cpp.

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

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

static

Definition at line 852 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().

static bool isSplatVector ( const BuildVectorSDNode *  N )

static

Check if the given BuildVectorSDNode is a splat. This method currently relies on DAG nodes being reused when equivalent, so it's possible for this to return false even when isConstantSplat returns true.

Definition at line 2121 of file MipsSEISelLowering.cpp.

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

static bool isVectorAllOnes ( SDValue  N )

static

Definition at line 521 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().

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

static

Definition at line 501 of file MipsSEISelLowering.cpp.

References llvm::dyn_cast(), llvm::SDValue::getNode(), and llvm::BuildVectorSDNode::isConstantSplat().

Referenced by performORCombine().

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

static

Definition at line 1202 of file MipsSEISelLowering.cpp.

References 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, isPodLike< T >::value >::push_back(), llvm::SmallVectorTemplateCommon< T >::size(), llvm::ISD::TargetConstant, llvm::MVT::Untyped, llvm::SDNode::value_begin(), and llvm::SDNode::value_end().

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

static

Definition at line 1333 of file MipsSEISelLowering.cpp.

References llvm::ISD::BITCAST, llvm::ISD::BUILD_VECTOR, 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.

static SDValue lowerMSABitClear ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1376 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(), and llvm::ISD::SHL.

static SDValue lowerMSABitClearImm ( SDValue  Op, SelectionDAG &  DAG  )

static

Definition at line 1386 of file MipsSEISelLowering.cpp.

References llvm::ISD::AND, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::EVT::getSizeInBits(), llvm::SDNode::getValueType(), and llvm::EVT::getVectorElementType().

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

static

Definition at line 1251 of file MipsSEISelLowering.cpp.

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

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

static

Definition at line 2021 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADD, llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), and llvm::SDNode::getValueType().

static SDValue lowerMSASplatImm ( SDValue  Op, unsigned  ImmOp, SelectionDAG &  DAG  )

static

Definition at line 1293 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getConstant(), llvm::SDNode::getConstantOperandVal(), and llvm::SDNode::getValueType().

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

static

Definition at line 1264 of file MipsSEISelLowering.cpp.

References llvm::ISD::BITCAST, llvm::ISD::BUILD_VECTOR, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::EVT::getVectorNumElements(), llvm::MVT::i32, llvm::MVT::v2i64, and llvm::MVT::v4i32.

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

static

Definition at line 2089 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADD, llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::SelectionDAG::getStore(), and llvm::SDNode::getValueType().

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

static

Definition at line 2345 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::EVT::getVectorNumElements(), llvm::MipsISD::ILVEV, and llvm::SmallVectorTemplateCommon< T >::size().

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

static

Definition at line 2405 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::EVT::getVectorNumElements(), llvm::MipsISD::ILVL, and llvm::SmallVectorTemplateCommon< T >::size().

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

static

Definition at line 2375 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::EVT::getVectorNumElements(), llvm::MipsISD::ILVOD, and llvm::SmallVectorTemplateCommon< T >::size().

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

static

Definition at line 2435 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::EVT::getVectorNumElements(), llvm::MipsISD::ILVR, and llvm::SmallVectorTemplateCommon< T >::size().

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

static

Definition at line 2466 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::MipsISD::PCKEV, and llvm::SmallVectorTemplateCommon< T >::size().

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

static

Definition at line 2492 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::MipsISD::PCKOD, and llvm::SmallVectorTemplateCommon< T >::size().

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

static

Definition at line 2287 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOperand(), llvm::MVT::i32, llvm::MipsISD::SHF, and llvm::SmallVectorTemplateCommon< T >::size().

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

static

Definition at line 2516 of file MipsSEISelLowering.cpp.

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

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

static

Definition at line 429 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMips32(), llvm::MVT::i32, llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalize(), and selectMADD().

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

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

static

Definition at line 449 of file MipsSEISelLowering.cpp.

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

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

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

static

Definition at line 748 of file MipsSEISelLowering.cpp.

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

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

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

static

Definition at line 735 of file MipsSEISelLowering.cpp.

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

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

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

static

Definition at line 564 of file MipsSEISelLowering.cpp.

References llvm::ISD::AND, llvm::APInt::getBitWidth(), llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMSA(), llvm::EVT::is128BitVector(), llvm::APInt::isAllOnesValue(), isBitwiseInverse(), llvm::MipsSubtarget::isLittle(), isVSplat(), and llvm::ISD::VSELECT.

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

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

static

Definition at line 870 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().

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

static

Definition at line 772 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().

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

static

Definition at line 795 of file MipsSEISelLowering.cpp.

References llvm::dyn_cast(), llvm::SDValue::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::SelectionDAG::MorphNodeTo(), 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().

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

static

Definition at line 841 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().

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

static

Definition at line 684 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMips32(), llvm::MVT::i32, llvm::TargetLowering::DAGCombinerInfo::isBeforeLegalize(), and selectMSUB().

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

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

static

Definition at line 883 of file MipsSEISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOpcode(), llvm::SDValue::getOperand(), llvm::SDNode::getOperand(), llvm::SDNode::getValueType(), llvm::EVT::is128BitVector(), llvm::EVT::isInteger(), llvm::MipsISD::SELECT_CC_DSP, llvm::ISD::SETCC, llvm::MipsISD::SETCC_DSP, llvm::ISD::SETLE, llvm::ISD::SETLT, llvm::ISD::SETULE, llvm::ISD::SETULT, llvm::NVPTX::PTXLdStInstCode::Signed, llvm::MVT::v2i16, llvm::MVT::v4i8, llvm::MipsISD::VSMAX, llvm::MipsISD::VSMIN, llvm::MipsISD::VUMAX, and llvm::MipsISD::VUMIN.

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

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

static

Definition at line 939 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().

static bool selectMADD ( SDNode *  ADDENode, SelectionDAG *  CurDAG  )

static

Definition at line 293 of file MipsSEISelLowering.cpp.

References llvm::ISD::ADDC, llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::SDValue::getResNo(), llvm::SDValue::hasOneUse(), llvm::MVT::i32, llvm::MipsISD::MAdd, llvm::MipsISD::MAddu, llvm::MipsISD::MFHI, llvm::MipsISD::MFLO, llvm::MipsISD::MTLOHI, llvm::SelectionDAG::ReplaceAllUsesOfValueWith(), llvm::ISD::SMUL_LOHI, llvm::ISD::UMUL_LOHI, llvm::MVT::Untyped, and llvm::SDValue::use_empty().

Referenced by performADDECombine().

static bool selectMSUB ( SDNode *  SUBENode, SelectionDAG *  CurDAG  )

static

Definition at line 365 of file MipsSEISelLowering.cpp.

References llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::SDValue::getResNo(), llvm::MVT::Glue, llvm::SDValue::hasOneUse(), llvm::MVT::i32, llvm::MipsISD::MFHI, llvm::MipsISD::MFLO, llvm::MipsISD::MSub, llvm::MipsISD::MSubu, llvm::MipsISD::MTLOHI, llvm::SelectionDAG::ReplaceAllUsesOfValueWith(), llvm::ISD::SMUL_LOHI, llvm::ISD::SUBC, llvm::ISD::UMUL_LOHI, llvm::MVT::Untyped, and llvm::SDValue::use_empty().

Referenced by performSUBECombine().

Variable Documentation

cl::opt<bool> EnableMipsTailCalls("enable-mips-tail-calls", cl::Hidden, cl::desc("MIPS: Enable 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"))

static

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