#include "Target/Mips/MipsCCState.h"

Inheritance diagram for llvm::MipsCCState:

Public Types
enum	SpecialCallingConvType { Mips16RetHelperConv , NoSpecialCallingConv }

Public Member Functions
void	PreAnalyzeCallOperand (const Type ArgTy, bool IsFixed, const char Func)

void	PreAnalyzeFormalArgument (const Type *ArgTy, ISD::ArgFlagsTy Flags)

void	PreAnalyzeReturnValue (EVT ArgVT)

	MipsCCState (CallingConv::ID CC, bool isVarArg, MachineFunction &MF, SmallVectorImpl< CCValAssign > &locs, LLVMContext &C, SpecialCallingConvType SpecialCC=NoSpecialCallingConv)

void	PreAnalyzeCallOperands (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn, std::vector< TargetLowering::ArgListEntry > &FuncArgs, const char *Func)

void	AnalyzeCallOperands (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn, std::vector< TargetLowering::ArgListEntry > &FuncArgs, const char *Func)

void	AnalyzeCallOperands (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)=delete

void	AnalyzeCallOperands (const SmallVectorImpl< MVT > &Outs, SmallVectorImpl< ISD::ArgFlagsTy > &Flags, CCAssignFn Fn)=delete

void	PreAnalyzeFormalArguments (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)

void	AnalyzeFormalArguments (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)

void	PreAnalyzeCallResult (const Type RetTy, const char Func)

void	PreAnalyzeCallResult (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn, const Type RetTy, const char Func)

void	AnalyzeCallResult (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn, const Type RetTy, const char Func)

void	PreAnalyzeReturn (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)

void	AnalyzeReturn (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)

bool	CheckReturn (const SmallVectorImpl< ISD::OutputArg > &ArgsFlags, CCAssignFn Fn)

bool	WasOriginalArgF128 (unsigned ValNo)

bool	WasOriginalArgFloat (unsigned ValNo)

bool	WasOriginalArgVectorFloat (unsigned ValNo) const

bool	WasOriginalRetVectorFloat (unsigned ValNo) const

bool	IsCallOperandFixed (unsigned ValNo)

SpecialCallingConvType	getSpecialCallingConv ()

Public Member Functions inherited from llvm::CCState
	CCState (CallingConv::ID CC, bool IsVarArg, MachineFunction &MF, SmallVectorImpl< CCValAssign > &Locs, LLVMContext &Context, bool NegativeOffsets=false)

void	addLoc (const CCValAssign &V)

LLVMContext &	getContext () const

MachineFunction &	getMachineFunction () const

CallingConv::ID	getCallingConv () const

bool	isVarArg () const

uint64_t	getStackSize () const
	Returns the size of the currently allocated portion of the stack.

uint64_t	getAlignedCallFrameSize () const
	getAlignedCallFrameSize - Return the size of the call frame needed to be able to store all arguments and such that the alignment requirement of each of the arguments is satisfied.

bool	isAllocated (MCRegister Reg) const
	isAllocated - Return true if the specified register (or an alias) is allocated.

void	AnalyzeFormalArguments (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)
	AnalyzeFormalArguments - Analyze an array of argument values, incorporating info about the formals into this state.

void	AnalyzeArguments (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)
	The function will invoke AnalyzeFormalArguments.

void	AnalyzeReturn (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
	AnalyzeReturn - Analyze the returned values of a return, incorporating info about the result values into this state.

bool	CheckReturn (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
	CheckReturn - Analyze the return values of a function, returning true if the return can be performed without sret-demotion, and false otherwise.

void	AnalyzeCallOperands (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
	AnalyzeCallOperands - Analyze the outgoing arguments to a call, incorporating info about the passed values into this state.

void	AnalyzeCallOperands (SmallVectorImpl< MVT > &ArgVTs, SmallVectorImpl< ISD::ArgFlagsTy > &Flags, CCAssignFn Fn)
	AnalyzeCallOperands - Same as above except it takes vectors of types and argument flags.

void	AnalyzeArguments (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
	The function will invoke AnalyzeCallOperands.

void	AnalyzeCallResult (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)
	AnalyzeCallResult - Analyze the return values of a call, incorporating info about the passed values into this state.

bool	IsShadowAllocatedReg (MCRegister Reg) const
	A shadow allocated register is a register that was allocated but wasn't added to the location list (Locs).

void	AnalyzeCallResult (MVT VT, CCAssignFn Fn)
	AnalyzeCallResult - Same as above except it's specialized for calls which produce a single value.

unsigned	getFirstUnallocated (ArrayRef< MCPhysReg > Regs) const
	getFirstUnallocated - Return the index of the first unallocated register in the set, or Regs.size() if they are all allocated.

void	DeallocateReg (MCPhysReg Reg)

MCRegister	AllocateReg (MCPhysReg Reg)
	AllocateReg - Attempt to allocate one register.

MCRegister	AllocateReg (MCPhysReg Reg, MCPhysReg ShadowReg)
	Version of AllocateReg with extra register to be shadowed.

MCPhysReg	AllocateReg (ArrayRef< MCPhysReg > Regs)
	AllocateReg - Attempt to allocate one of the specified registers.

MCPhysReg	AllocateRegBlock (ArrayRef< MCPhysReg > Regs, unsigned RegsRequired)
	AllocateRegBlock - Attempt to allocate a block of RegsRequired consecutive registers.

MCRegister	AllocateReg (ArrayRef< MCPhysReg > Regs, const MCPhysReg *ShadowRegs)
	Version of AllocateReg with list of registers to be shadowed.

int64_t	AllocateStack (unsigned Size, Align Alignment)
	AllocateStack - Allocate a chunk of stack space with the specified size and alignment.

void	ensureMaxAlignment (Align Alignment)

int64_t	AllocateStack (unsigned Size, Align Alignment, ArrayRef< MCPhysReg > ShadowRegs)
	Version of AllocateStack with list of extra registers to be shadowed.

void	HandleByVal (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, int MinSize, Align MinAlign, ISD::ArgFlagsTy ArgFlags)
	Allocate space on the stack large enough to pass an argument by value.

unsigned	getInRegsParamsCount () const

unsigned	getInRegsParamsProcessed () const

void	getInRegsParamInfo (unsigned InRegsParamRecordIndex, unsigned &BeginReg, unsigned &EndReg) const

void	addInRegsParamInfo (unsigned RegBegin, unsigned RegEnd)

bool	nextInRegsParam ()

void	clearByValRegsInfo ()

void	rewindByValRegsInfo ()

SmallVectorImpl< CCValAssign > &	getPendingLocs ()

SmallVectorImpl< ISD::ArgFlagsTy > &	getPendingArgFlags ()

void	getRemainingRegParmsForType (SmallVectorImpl< MCPhysReg > &Regs, MVT VT, CCAssignFn Fn)
	Compute the remaining unused register parameters that would be used for the given value type.

void	analyzeMustTailForwardedRegisters (SmallVectorImpl< ForwardedRegister > &Forwards, ArrayRef< MVT > RegParmTypes, CCAssignFn Fn)
	Compute the set of registers that need to be preserved and forwarded to any musttail calls.

template<class T >
void	AnalyzeArgumentsSecondPass (const SmallVectorImpl< T > &Args, CCAssignFn Fn)
	The function runs an additional analysis pass over function arguments.

Static Public Member Functions
static SpecialCallingConvType	getSpecialCallingConvForCallee (const SDNode *Callee, const MipsSubtarget &Subtarget)
	Determine the SpecialCallingConvType for the given callee.

static bool	isF128SoftLibCall (const char *CallSym)
	This function returns true if CallSym is a long double emulation routine.

static bool	originalTypeIsF128 (const Type Ty, const char Func)
	This function returns true if Ty is fp128, {f128} or i128 which was originally a fp128.

static bool	originalEVTTypeIsVectorFloat (EVT Ty)
	Return true if the original type was vXfXX.

static bool	originalTypeIsVectorFloat (const Type *Ty)
	Return true if the original type was vXfXX / vXfXX.

Static Public Member Functions inherited from llvm::CCState
static bool	resultsCompatible (CallingConv::ID CalleeCC, CallingConv::ID CallerCC, MachineFunction &MF, LLVMContext &C, const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn CalleeFn, CCAssignFn CallerFn)
	Returns true if the results of the two calling conventions are compatible.

Detailed Description

Definition at line 20 of file MipsCCState.h.

Member Enumeration Documentation

◆ SpecialCallingConvType

enum llvm::MipsCCState::SpecialCallingConvType

Enumerator
Mips16RetHelperConv
NoSpecialCallingConv

Definition at line 22 of file MipsCCState.h.

Constructor & Destructor Documentation

◆ MipsCCState()

llvm::MipsCCState::MipsCCState	(	CallingConv::ID	CC,
		bool	isVarArg,
		MachineFunction &	MF,
		SmallVectorImpl< CCValAssign > &	locs,
		LLVMContext &	C,
		SpecialCallingConvType	SpecialCC = `NoSpecialCallingConv`
	)

inline

Definition at line 98 of file MipsCCState.h.

Member Function Documentation

◆ AnalyzeCallOperands() [1/3]

void llvm::MipsCCState::AnalyzeCallOperands	(	const SmallVectorImpl< ISD::OutputArg > &	Outs,
		CCAssignFn	Fn
	)

delete

◆ AnalyzeCallOperands() [2/3]

void llvm::MipsCCState::AnalyzeCallOperands	(	const SmallVectorImpl< ISD::OutputArg > &	Outs,
		CCAssignFn	Fn,
		std::vector< TargetLowering::ArgListEntry > &	FuncArgs,
		const char *	Func
	)

inline

Definition at line 114 of file MipsCCState.h.

References llvm::CCState::AnalyzeCallOperands().

◆ AnalyzeCallOperands() [3/3]

void llvm::MipsCCState::AnalyzeCallOperands	(	const SmallVectorImpl< MVT > &	Outs,
		SmallVectorImpl< ISD::ArgFlagsTy > &	Flags,
		CCAssignFn	Fn
	)

delete

◆ AnalyzeCallResult()

void llvm::MipsCCState::AnalyzeCallResult	(	const SmallVectorImpl< ISD::InputArg > &	Ins,
		CCAssignFn	Fn,
		const Type *	RetTy,
		const char *	Func
	)

inline

Definition at line 161 of file MipsCCState.h.

References llvm::CCState::AnalyzeCallResult(), PreAnalyzeCallResult(), and RetTy.

◆ AnalyzeFormalArguments()

void llvm::MipsCCState::AnalyzeFormalArguments	(	const SmallVectorImpl< ISD::InputArg > &	Ins,
		CCAssignFn	Fn
	)

inline

Definition at line 139 of file MipsCCState.h.

References llvm::CCState::AnalyzeFormalArguments(), and PreAnalyzeFormalArguments().

◆ AnalyzeReturn()

void llvm::MipsCCState::AnalyzeReturn	(	const SmallVectorImpl< ISD::OutputArg > &	Outs,
		CCAssignFn	Fn
	)

inline

Definition at line 177 of file MipsCCState.h.

References llvm::CCState::AnalyzeReturn(), and PreAnalyzeReturn().

◆ CheckReturn()

bool llvm::MipsCCState::CheckReturn	(	const SmallVectorImpl< ISD::OutputArg > &	ArgsFlags,
		CCAssignFn	Fn
	)

inline

Definition at line 183 of file MipsCCState.h.

References llvm::CCState::CheckReturn(), and llvm::SmallVectorImpl< T >::clear().

◆ getSpecialCallingConv()

SpecialCallingConvType llvm::MipsCCState::getSpecialCallingConv ( )

inline

Definition at line 205 of file MipsCCState.h.

◆ getSpecialCallingConvForCallee()

MipsCCState::SpecialCallingConvType MipsCCState::getSpecialCallingConvForCallee	(	const SDNode *	Callee,
		const MipsSubtarget &	Subtarget
	)

static

Determine the SpecialCallingConvType for the given callee.

Definition at line 70 of file MipsCCState.cpp.

References F, G, llvm::MipsSubtarget::inMips16HardFloat(), Mips16RetHelperConv, NoSpecialCallingConv, and Sym.

◆ IsCallOperandFixed()

bool llvm::MipsCCState::IsCallOperandFixed ( unsigned ValNo )

inline

Definition at line 204 of file MipsCCState.h.

◆ isF128SoftLibCall()

bool MipsCCState::isF128SoftLibCall ( const char * CallSym )

static

This function returns true if CallSym is a long double emulation routine.

FIXME: Changing the ABI based on the callee name is unsound. The lib func address could be captured.

Definition at line 15 of file MipsCCState.cpp.

References assert(), llvm::is_sorted(), and S1.

Referenced by originalTypeIsF128().

◆ originalEVTTypeIsVectorFloat()

bool MipsCCState::originalEVTTypeIsVectorFloat ( EVT Ty )

static

Return true if the original type was vXfXX.

Definition at line 54 of file MipsCCState.cpp.

References llvm::EVT::getVectorElementType(), llvm::EVT::isFloatingPoint(), and llvm::EVT::isVector().

Referenced by PreAnalyzeReturnValue().

◆ originalTypeIsF128()

bool MipsCCState::originalTypeIsF128	(	const Type *	Ty,
		const char *	Func
	)

static

This function returns true if Ty is fp128, {f128} or i128 which was originally a fp128.

Definition at line 39 of file MipsCCState.cpp.

References llvm::Type::getStructElementType(), llvm::Type::getStructNumElements(), isF128SoftLibCall(), llvm::Type::isFP128Ty(), llvm::Type::isIntegerTy(), and llvm::Type::isStructTy().

Referenced by PreAnalyzeCallOperand(), PreAnalyzeCallResult(), and PreAnalyzeFormalArgument().

◆ originalTypeIsVectorFloat()

bool MipsCCState::originalTypeIsVectorFloat ( const Type * Ty )

static

Return true if the original type was vXfXX / vXfXX.

Definition at line 62 of file MipsCCState.cpp.

References llvm::Type::isFPOrFPVectorTy(), and llvm::Type::isVectorTy().

Referenced by PreAnalyzeCallResult().

◆ PreAnalyzeCallOperand()

void MipsCCState::PreAnalyzeCallOperand	(	const Type *	ArgTy,
		bool	IsFixed,
		const char *	Func
	)

Definition at line 133 of file MipsCCState.cpp.

References llvm::Type::isFloatingPointTy(), llvm::Type::isVectorTy(), originalTypeIsF128(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

◆ PreAnalyzeCallOperands()

void llvm::MipsCCState::PreAnalyzeCallOperands	(	const SmallVectorImpl< ISD::OutputArg > &	Outs,
		CCAssignFn	Fn,
		std::vector< TargetLowering::ArgListEntry > &	FuncArgs,
		const char *	Func
	)

inline

Definition at line 103 of file MipsCCState.h.

References llvm::SmallVectorImpl< T >::clear().

◆ PreAnalyzeCallResult() [1/2]

void llvm::MipsCCState::PreAnalyzeCallResult	(	const SmallVectorImpl< ISD::InputArg > &	Ins,
		CCAssignFn	Fn,
		const Type *	RetTy,
		const char *	Func
	)

inline

Definition at line 151 of file MipsCCState.h.

References llvm::SmallVectorImpl< T >::clear(), and RetTy.

◆ PreAnalyzeCallResult() [2/2]

void llvm::MipsCCState::PreAnalyzeCallResult	(	const Type *	RetTy,
		const char *	Func
	)

inline

Definition at line 145 of file MipsCCState.h.

References originalTypeIsF128(), originalTypeIsVectorFloat(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and RetTy.

Referenced by AnalyzeCallResult().

◆ PreAnalyzeFormalArgument()

void MipsCCState::PreAnalyzeFormalArgument	(	const Type *	ArgTy,
		ISD::ArgFlagsTy	Flags
	)

Definition at line 157 of file MipsCCState.cpp.

References llvm::Type::isFloatingPointTy(), llvm::Type::isVectorTy(), originalTypeIsF128(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

◆ PreAnalyzeFormalArguments()

void llvm::MipsCCState::PreAnalyzeFormalArguments	(	const SmallVectorImpl< ISD::InputArg > &	Ins,
		CCAssignFn	Fn
	)

inline

Definition at line 131 of file MipsCCState.h.

References llvm::SmallVectorImpl< T >::clear().

Referenced by AnalyzeFormalArguments().

◆ PreAnalyzeReturn()

void llvm::MipsCCState::PreAnalyzeReturn	(	const SmallVectorImpl< ISD::OutputArg > &	Outs,
		CCAssignFn	Fn
	)

inline

Definition at line 168 of file MipsCCState.h.

References llvm::SmallVectorImpl< T >::clear().

Referenced by AnalyzeReturn().

◆ PreAnalyzeReturnValue()

void MipsCCState::PreAnalyzeReturnValue ( EVT ArgVT )

Definition at line 129 of file MipsCCState.cpp.

References originalEVTTypeIsVectorFloat(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

◆ WasOriginalArgF128()

bool llvm::MipsCCState::WasOriginalArgF128 ( unsigned ValNo )

inline

Definition at line 194 of file MipsCCState.h.

◆ WasOriginalArgFloat()

bool llvm::MipsCCState::WasOriginalArgFloat ( unsigned ValNo )

inline

Definition at line 195 of file MipsCCState.h.

◆ WasOriginalArgVectorFloat()

bool llvm::MipsCCState::WasOriginalArgVectorFloat ( unsigned ValNo ) const

inline

Definition at line 198 of file MipsCCState.h.

Referenced by CC_MipsO32().

◆ WasOriginalRetVectorFloat()

bool llvm::MipsCCState::WasOriginalRetVectorFloat ( unsigned ValNo ) const

inline

Definition at line 201 of file MipsCCState.h.

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

lib/Target/Mips/MipsCCState.h
lib/Target/Mips/MipsCCState.cpp

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Member Enumeration Documentation

◆ SpecialCallingConvType

Constructor & Destructor Documentation

◆ MipsCCState()

Member Function Documentation

◆ AnalyzeCallOperands() [1/3]

◆ AnalyzeCallOperands() [2/3]

◆ AnalyzeCallOperands() [3/3]

◆ AnalyzeCallResult()

◆ AnalyzeFormalArguments()

◆ AnalyzeReturn()

◆ CheckReturn()

◆ getSpecialCallingConv()

◆ getSpecialCallingConvForCallee()

◆ IsCallOperandFixed()

◆ isF128SoftLibCall()

◆ originalEVTTypeIsVectorFloat()

◆ originalTypeIsF128()

◆ originalTypeIsVectorFloat()

◆ PreAnalyzeCallOperand()

◆ PreAnalyzeCallOperands()

◆ PreAnalyzeCallResult() [1/2]

◆ PreAnalyzeCallResult() [2/2]

◆ PreAnalyzeFormalArgument()

◆ PreAnalyzeFormalArguments()

◆ PreAnalyzeReturn()

◆ PreAnalyzeReturnValue()

◆ WasOriginalArgF128()

◆ WasOriginalArgFloat()

◆ WasOriginalArgVectorFloat()

◆ WasOriginalRetVectorFloat()