llvm::MipsTargetLowering Class Reference

#include <MipsISelLowering.h>

Inheritance diagram for llvm::MipsTargetLowering:

Collaboration diagram for llvm::MipsTargetLowering:

List of all members.

Classes
struct	ByValArgInfo
	ByValArgInfo - Byval argument information. More...
struct	LTStr
class	MipsCC
Public Member Functions
	MipsTargetLowering (MipsTargetMachine &TM)
virtual MVT	getScalarShiftAmountTy (EVT LHSTy) const
virtual void	LowerOperationWrapper (SDNode *N, SmallVectorImpl< SDValue > &Results, SelectionDAG &DAG) const
virtual SDValue	LowerOperation (SDValue Op, SelectionDAG &DAG) const
	LowerOperation - Provide custom lowering hooks for some operations.
virtual void	ReplaceNodeResults (SDNode *N, SmallVectorImpl< SDValue > &Results, SelectionDAG &DAG) const
virtual const char *	getTargetNodeName (unsigned Opcode) const
	getTargetNodeName - This method returns the name of a target specific
EVT	getSetCCResultType (LLVMContext &Context, EVT VT) const
	getSetCCResultType - get the ISD::SETCC result ValueType
virtual SDValue	PerformDAGCombine (SDNode *N, DAGCombinerInfo &DCI) const
virtual MachineBasicBlock *	EmitInstrWithCustomInserter (MachineInstr *MI, MachineBasicBlock *MBB) const
Static Public Member Functions
static const MipsTargetLowering *	create (MipsTargetMachine &TM)
Protected Member Functions
SDValue	getGlobalReg (SelectionDAG &DAG, EVT Ty) const
SDValue	getAddrLocal (SDValue Op, SelectionDAG &DAG, bool HasMips64) const
SDValue	getAddrGlobal (SDValue Op, SelectionDAG &DAG, unsigned Flag) const
SDValue	getAddrGlobalLargeGOT (SDValue Op, SelectionDAG &DAG, unsigned HiFlag, unsigned LoFlag) const
virtual void	getOpndList (SmallVectorImpl< SDValue > &Ops, std::deque< std::pair< unsigned, SDValue > > &RegsToPass, bool IsPICCall, bool GlobalOrExternal, bool InternalLinkage, CallLoweringInfo &CLI, SDValue Callee, SDValue Chain) const
Protected Attributes
const MipsSubtarget *	Subtarget
bool	HasMips64
bool	IsN64
bool	IsO32

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Detailed Description

Definition at line 172 of file MipsISelLowering.h.

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Constructor & Destructor Documentation

MipsTargetLowering::MipsTargetLowering

(

MipsTargetMachine &

TM

)

[explicit]

Definition at line 215 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, llvm::TargetLoweringBase::AddPromotedToType(), llvm::ISD::AND, llvm::ISD::ATOMIC_LOAD, llvm::ISD::ATOMIC_STORE, llvm::ISD::BlockAddress, llvm::ISD::BR_CC, llvm::ISD::BR_JT, llvm::ISD::BRCOND, llvm::ISD::BSWAP, llvm::ISD::ConstantPool, llvm::ISD::CTLZ, llvm::ISD::CTLZ_ZERO_UNDEF, llvm::ISD::CTPOP, llvm::ISD::CTTZ, llvm::ISD::CTTZ_ZERO_UNDEF, llvm::TargetLoweringBase::Custom, llvm::ISD::DYNAMIC_STACKALLOC, llvm::ISD::EH_RETURN, llvm::ISD::EHSELECTION, llvm::ISD::EXCEPTIONADDR, llvm::TargetLoweringBase::Expand, llvm::ISD::EXTLOAD, llvm::MVT::f32, llvm::MVT::f64, llvm::ISD::FABS, llvm::ISD::FCOPYSIGN, llvm::ISD::FCOS, llvm::ISD::FEXP, llvm::ISD::FLOG, llvm::ISD::FLOG10, llvm::ISD::FLOG2, llvm::ISD::FMA, llvm::ISD::FNEG, llvm::ISD::FP_TO_SINT, llvm::ISD::FP_TO_UINT, llvm::ISD::FPOW, llvm::ISD::FPOWI, llvm::ISD::FREM, llvm::ISD::FSIN, llvm::ISD::FSINCOS, llvm::ISD::GlobalAddress, llvm::ISD::GlobalTLSAddress, llvm::MipsSubtarget::hasBitCount(), llvm::MipsSubtarget::hasMips32r2(), HasMips64, llvm::MipsSubtarget::hasMips64r2(), llvm::MipsSubtarget::hasSEInReg(), llvm::MipsSubtarget::hasSwap(), llvm::MVT::i1, llvm::MVT::i16, llvm::MVT::i32, llvm::MVT::i64, llvm::MVT::i8, IsN64, llvm::ISD::JumpTable, llvm::ISD::LOAD, llvm::TargetLoweringBase::MaxStoresPerMemcpy, llvm::TargetOptions::NoNaNsFPMath, llvm::TargetMachine::Options, llvm::ISD::OR, llvm::MVT::Other, llvm::TargetLoweringBase::Promote, llvm::ISD::ROTL, llvm::ISD::ROTR, llvm::ISD::SDIV, llvm::ISD::SDIVREM, llvm::ISD::SELECT, llvm::ISD::SELECT_CC, llvm::TargetLoweringBase::setBooleanContents(), llvm::TargetLoweringBase::setBooleanVectorContents(), llvm::ISD::SETCC, llvm::TargetLoweringBase::setExceptionPointerRegister(), llvm::TargetLoweringBase::setExceptionSelectorRegister(), llvm::TargetLoweringBase::setInsertFencesForAtomic(), llvm::TargetLoweringBase::setLoadExtAction(), llvm::TargetLoweringBase::setMinFunctionAlignment(), llvm::TargetLoweringBase::setOperationAction(), llvm::TargetLoweringBase::setStackPointerRegisterToSaveRestore(), llvm::TargetLoweringBase::setTargetDAGCombine(), llvm::TargetLoweringBase::setTruncStoreAction(), llvm::ISD::SEXTLOAD, llvm::ISD::SHL_PARTS, llvm::ISD::SIGN_EXTEND_INREG, llvm::ISD::SRA_PARTS, llvm::ISD::SREM, llvm::ISD::SRL_PARTS, llvm::ISD::STACKRESTORE, llvm::ISD::STACKSAVE, llvm::ISD::STORE, Subtarget, llvm::ISD::UDIV, llvm::ISD::UDIVREM, llvm::ISD::UINT_TO_FP, llvm::ISD::UREM, llvm::ISD::VAARG, llvm::ISD::VACOPY, llvm::ISD::VAEND, llvm::ISD::VASTART, llvm::TargetLoweringBase::ZeroOrNegativeOneBooleanContent, llvm::TargetLoweringBase::ZeroOrOneBooleanContent, and llvm::ISD::ZEXTLOAD.

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Member Function Documentation

const MipsTargetLowering * MipsTargetLowering::create

(

MipsTargetMachine &

TM

)

[static]

Definition at line 410 of file MipsISelLowering.cpp.

References llvm::createMips16TargetLowering(), llvm::createMipsSETargetLowering(), llvm::MipsTargetMachine::getSubtargetImpl(), and llvm::MipsSubtarget::inMips16Mode().

Referenced by llvm::MipsTargetMachine::setHelperClassesMips16(), and llvm::MipsTargetMachine::setHelperClassesMipsSE().

MachineBasicBlock * MipsTargetLowering::EmitInstrWithCustomInserter	(	MachineInstr *	MI,
		MachineBasicBlock *	MBB
	)		const [virtual]

Reimplemented from llvm::TargetLowering.

Reimplemented in llvm::MipsSETargetLowering, and llvm::Mips16TargetLowering.

Definition at line 795 of file MipsISelLowering.cpp.

References AND, expandPseudoDIV(), llvm::MachineInstr::getOpcode(), llvm::TargetLoweringBase::getTargetMachine(), llvm_unreachable, OR, and XOR.

SDValue MipsTargetLowering::getAddrGlobal	(	SDValue	Op,
		SelectionDAG &	DAG,
		unsigned	Flag
	)		const [protected]

Definition at line 127 of file MipsISelLowering.cpp.

References llvm::SelectionDAG::getEntryNode(), getGlobalReg(), llvm::MachinePointerInfo::getGOT(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getNode(), getTargetNode(), llvm::SDValue::getValueType(), and llvm::MipsISD::Wrapper.

SDValue MipsTargetLowering::getAddrGlobalLargeGOT	(	SDValue	Op,
		SelectionDAG &	DAG,
		unsigned	HiFlag,
		unsigned	LoFlag
	)		const [protected]

Definition at line 137 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, llvm::SelectionDAG::getEntryNode(), getGlobalReg(), llvm::MachinePointerInfo::getGOT(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getNode(), getTargetNode(), llvm::SDValue::getValueType(), llvm::MipsISD::Hi, llvm::HexagonISD::Hi, llvm::ARMISD::Wrapper, and llvm::MipsISD::Wrapper.

SDValue MipsTargetLowering::getAddrLocal	(	SDValue	Op,
		SelectionDAG &	DAG,
		bool	HasMips64
	)		const [protected]

Definition at line 112 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, llvm::SelectionDAG::getEntryNode(), getGlobalReg(), llvm::MachinePointerInfo::getGOT(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getNode(), getTargetNode(), llvm::SDValue::getValueType(), llvm::ARMCP::GOT, llvm::HexagonISD::Lo, llvm::MipsISD::Lo, llvm::SPII::Load, llvm::MipsII::MO_ABS_LO, llvm::AArch64II::MO_GOT, llvm::MipsII::MO_GOT_OFST, llvm::MipsII::MO_GOT_PAGE, and llvm::MipsISD::Wrapper.

SDValue MipsTargetLowering::getGlobalReg	(	SelectionDAG &	DAG,
		EVT	Ty
	)		const [protected]

Definition at line 77 of file MipsISelLowering.cpp.

References llvm::MipsFunctionInfo::getGlobalBaseReg(), llvm::MachineFunction::getInfo(), llvm::SelectionDAG::getMachineFunction(), and llvm::SelectionDAG::getRegister().

Referenced by getAddrGlobal(), getAddrGlobalLargeGOT(), getAddrLocal(), and getOpndList().

void MipsTargetLowering::getOpndList	(	SmallVectorImpl< SDValue > &	Ops,
		std::deque< std::pair< unsigned, SDValue > > &	RegsToPass,
		bool	IsPICCall,
		bool	GlobalOrExternal,
		bool	InternalLinkage,
		CallLoweringInfo &	CLI,
		SDValue	Callee,
		SDValue	Chain
	)		const [protected, virtual]

This function fills Ops, which is the list of operands that will later be used when a function call node is created. It also generates copyToReg nodes to set up argument registers.

Definition at line 2272 of file MipsISelLowering.cpp.

References llvm::TargetLowering::CallLoweringInfo::CallConv, llvm::TargetLowering::CallLoweringInfo::Callee, llvm::TargetLowering::CallLoweringInfo::DAG, llvm::TargetLowering::CallLoweringInfo::DL, F(), G, llvm::TargetRegisterInfo::getCallPreservedMask(), llvm::SelectionDAG::getCopyToReg(), getGlobalReg(), llvm::MipsRegisterInfo::getMips16RetHelperMask(), llvm::SDValue::getNode(), llvm::SelectionDAG::getRegister(), llvm::TargetMachine::getRegisterInfo(), llvm::SelectionDAG::getRegisterMask(), llvm::TargetLoweringBase::getTargetMachine(), llvm::SDValue::getValue(), llvm::Function::hasFnAttribute(), llvm::MVT::i32, llvm::MVT::i64, llvm::MipsSubtarget::inMips16HardFloat(), IsN64, llvm::SmallVectorTemplateBase< T, isPodLike >::push_back(), and Subtarget.

virtual MVT llvm::MipsTargetLowering::getScalarShiftAmountTy

(

EVT

LHSTy

)

const [inline, virtual]

Reimplemented from llvm::TargetLoweringBase.

Definition at line 178 of file MipsISelLowering.h.

References llvm::MVT::i32.

EVT MipsTargetLowering::getSetCCResultType	(	LLVMContext &	Context,
		EVT	VT
	)		const [virtual]

getSetCCResultType - get the ISD::SETCC result ValueType

Reimplemented from llvm::TargetLoweringBase.

Definition at line 417 of file MipsISelLowering.cpp.

References llvm::EVT::changeVectorElementTypeToInteger(), llvm::MVT::i32, and llvm::EVT::isVector().

const char * MipsTargetLowering::getTargetNodeName

(

unsigned

Opcode

)

const [virtual]

getTargetNodeName - This method returns the name of a target specific

Reimplemented from llvm::TargetLowering.

Definition at line 150 of file MipsISelLowering.cpp.

References llvm::MipsISD::BuildPairF64, llvm::MipsISD::CMovFP_F, llvm::MipsISD::CMovFP_T, llvm::MipsISD::DivRem, llvm::MipsISD::DivRem16, llvm::MipsISD::DivRemU, llvm::MipsISD::DivRemU16, llvm::MipsISD::EH_RETURN, llvm::MipsISD::Ext, 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::MipsISD::ExtractElementF64, llvm::MipsISD::ExtractLOHI, llvm::MipsISD::FPBrcond, llvm::MipsISD::FPCmp, llvm::MipsISD::GPRel, llvm::MipsISD::Hi, llvm::MipsISD::Ins, llvm::MipsISD::InsertLOHI, llvm::MipsISD::JmpLink, llvm::MipsISD::LDL, llvm::MipsISD::LDR, llvm::MipsISD::Lo, llvm::MipsISD::LWL, llvm::MipsISD::LWR, llvm::MipsISD::MAdd, llvm::MipsISD::MADD_DSP, llvm::MipsISD::MAddu, llvm::MipsISD::MADDU_DSP, llvm::MipsISD::MSub, llvm::MipsISD::MSUB_DSP, llvm::MipsISD::MSubu, llvm::MipsISD::MSUBU_DSP, llvm::MipsISD::MTHLIP, llvm::MipsISD::Mult, llvm::MipsISD::MULT, llvm::MipsISD::Multu, llvm::MipsISD::MULTU, llvm::MipsISD::Ret, llvm::MipsISD::SDL, llvm::MipsISD::SDR, llvm::MipsISD::SELECT_CC_DSP, llvm::MipsISD::SETCC_DSP, llvm::MipsISD::SHILO, llvm::MipsISD::SHLL_DSP, llvm::MipsISD::SHRA_DSP, llvm::MipsISD::SHRL_DSP, llvm::MipsISD::SWL, llvm::MipsISD::SWR, llvm::MipsISD::Sync, llvm::MipsISD::TailCall, llvm::MipsISD::ThreadPointer, llvm::MipsISD::TruncIntFP, and llvm::MipsISD::Wrapper.

SDValue MipsTargetLowering::LowerOperation	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const [virtual]

LowerOperation - Provide custom lowering hooks for some operations.

Reimplemented from llvm::TargetLowering.

Reimplemented in llvm::MipsSETargetLowering.

Definition at line 727 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, llvm::ISD::ATOMIC_FENCE, llvm::ISD::BlockAddress, llvm::ISD::BR_JT, llvm::ISD::BRCOND, llvm::ISD::ConstantPool, llvm::ISD::EH_RETURN, llvm::ISD::FABS, llvm::ISD::FCOPYSIGN, llvm::ISD::FP_TO_SINT, llvm::ISD::FRAMEADDR, llvm::SDValue::getOpcode(), llvm::ISD::GlobalAddress, llvm::ISD::GlobalTLSAddress, llvm::ISD::JumpTable, llvm::ISD::LOAD, llvm::ISD::RETURNADDR, llvm::ISD::SELECT, llvm::ISD::SELECT_CC, llvm::ISD::SETCC, llvm::ISD::SHL_PARTS, llvm::ISD::SRA_PARTS, llvm::ISD::SRL_PARTS, llvm::ISD::STORE, and llvm::ISD::VASTART.

Referenced by LowerOperationWrapper().

void MipsTargetLowering::LowerOperationWrapper	(	SDNode *	N,
		SmallVectorImpl< SDValue > &	Results,
		SelectionDAG &	DAG
	)		const [virtual]

LowerOperationWrapper - This callback is invoked by the type legalizer to legalize nodes with an illegal operand type but legal result types. It replaces the LowerOperation callback in the type Legalizer. The reason we can not do away with LowerOperation entirely is that LegalizeDAG isn't yet ready to use this callback. TODO: Consider merging with ReplaceNodeResults. The target places new result values for the node in Results (their number and types must exactly match those of the original return values of the node), or leaves Results empty, which indicates that the node is not to be custom lowered after all. The default implementation calls LowerOperation.

Reimplemented from llvm::TargetLowering.

Definition at line 710 of file MipsISelLowering.cpp.

References llvm::SDValue::getValue(), I, LowerOperation(), and llvm::SmallVectorTemplateBase< T, isPodLike >::push_back().

Referenced by ReplaceNodeResults().

SDValue MipsTargetLowering::PerformDAGCombine	(	SDNode *	N,
		DAGCombinerInfo &	DCI
	)		const [virtual]

PerformDAGCombine - This method will be invoked for all target nodes and for any target-independent nodes that the target has registered with invoke it for.

The semantics are as follows: Return Value: SDValue.Val == 0 - No change was made SDValue.Val == N - N was replaced, is dead, and is already handled. otherwise - N should be replaced by the returned Operand.

In addition, methods provided by DAGCombinerInfo may be used to perform more complex transformations.

Reimplemented from llvm::TargetLowering.

Reimplemented in llvm::MipsSETargetLowering.

Definition at line 686 of file MipsISelLowering.cpp.

References llvm::ISD::ADD, llvm::ISD::AND, llvm::TargetLowering::DAGCombinerInfo::DAG, llvm::SDNode::getOpcode(), llvm::ISD::OR, performADDCombine(), performANDCombine(), performDivRemCombine(), performORCombine(), performSELECTCombine(), llvm::ISD::SDIVREM, llvm::ISD::SELECT, Subtarget, and llvm::ISD::UDIVREM.

void MipsTargetLowering::ReplaceNodeResults	(	SDNode *	N,
		SmallVectorImpl< SDValue > &	Results,
		SelectionDAG &	DAG
	)		const [virtual]

ReplaceNodeResults - Replace the results of node with an illegal result type with new values built out of custom code.

Reimplemented from llvm::TargetLowering.

Definition at line 720 of file MipsISelLowering.cpp.

References LowerOperationWrapper().

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Member Data Documentation

bool llvm::MipsTargetLowering::HasMips64 [protected]

Definition at line 330 of file MipsISelLowering.h.

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

bool llvm::MipsTargetLowering::IsN64 [protected]

Definition at line 330 of file MipsISelLowering.h.

Referenced by getOpndList(), and MipsTargetLowering().

bool llvm::MipsTargetLowering::IsO32 [protected]

Definition at line 330 of file MipsISelLowering.h.

Referenced by llvm::MipsTargetLowering::MipsCC::intArgRegs(), llvm::MipsTargetLowering::MipsCC::numIntArgRegs(), and llvm::MipsTargetLowering::MipsCC::reservedArgArea().

const MipsSubtarget* llvm::MipsTargetLowering::Subtarget [protected]

Definition at line 328 of file MipsISelLowering.h.

Referenced by getOpndList(), llvm::MipsSETargetLowering::getRepRegClassFor(), llvm::Mips16TargetLowering::Mips16TargetLowering(), llvm::MipsSETargetLowering::MipsSETargetLowering(), MipsTargetLowering(), llvm::MipsSETargetLowering::PerformDAGCombine(), and PerformDAGCombine().

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The documentation for this class was generated from the following files:

• MipsISelLowering.h
• MipsISelLowering.cpp