MipsSEISelLowering.cpp File Reference

#include "MipsSEISelLowering.h"
#include "MipsMachineFunction.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.

Defines
#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.
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"))

---

Define Documentation

#define DEBUG_TYPE   "mips-isel"

Definition at line 27 of file MipsSEISelLowering.cpp.

---

Function Documentation

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

Definition at line 1291 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 796 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 1404 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::makeArrayRef(), 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 1283 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 644 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 2290 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 2300 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 951 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 2249 of file MipsSEISelLowering.cpp.

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

static bool isVectorAllOnes

(

SDValue

N

)

[static]

Definition at line 620 of file MipsSEISelLowering.cpp.

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

Referenced by isBitwiseInverse().

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

Definition at line 600 of file MipsSEISelLowering.cpp.

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

Referenced by performORCombine().

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

Definition at line 1309 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::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 1440 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 1483 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 1493 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 1358 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 2149 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 1400 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 1371 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::makeArrayRef(), llvm::MVT::v2i64, and llvm::MVT::v4i32.

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

Definition at line 2217 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 2473 of file MipsSEISelLowering.cpp.

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

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

Definition at line 2533 of file MipsSEISelLowering.cpp.

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

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

Definition at line 2503 of file MipsSEISelLowering.cpp.

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

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

Definition at line 2563 of file MipsSEISelLowering.cpp.

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

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

Definition at line 2594 of file MipsSEISelLowering.cpp.

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

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

Definition at line 2620 of file MipsSEISelLowering.cpp.

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

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

Definition at line 2415 of file MipsSEISelLowering.cpp.

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

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

Definition at line 2644 of file MipsSEISelLowering.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::ISD::BUILD_VECTOR, llvm::EVT::changeVectorElementTypeToInteger(), llvm::SmallVectorTemplateCommon< T, typename >::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(), and llvm::MipsISD::VSHF.

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

Definition at line 528 of file MipsSEISelLowering.cpp.

References llvm::SDNode::getValueType(), llvm::MipsSubtarget::hasMips32(), llvm::MipsSubtarget::hasMips32r6(), 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 548 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::makeArrayRef(), 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 847 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 834 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 663 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 969 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 871 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 894 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().

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

Definition at line 940 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 783 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 982 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, 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 1038 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 392 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 464 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().

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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().