This structure contains all information that is necessary for lowering calls. More...

#include "llvm/CodeGen/TargetLowering.h"

Public Member Functions
	CallLoweringInfo (SelectionDAG &DAG)
CallLoweringInfo &	setDebugLoc (const SDLoc &dl)
CallLoweringInfo &	setChain (SDValue InChain)
CallLoweringInfo &	setLibCallee (CallingConv::ID CC, Type *ResultType, SDValue Target, ArgListTy &&ArgsList)
CallLoweringInfo &	setLibCallee (CallingConv::ID CC, Type ResultType, Type OrigResultType, SDValue Target, ArgListTy &&ArgsList)
CallLoweringInfo &	setCallee (CallingConv::ID CC, Type *ResultType, SDValue Target, ArgListTy &&ArgsList, AttributeSet ResultAttrs={})
CallLoweringInfo &	setCallee (Type ResultType, FunctionType FTy, SDValue Target, ArgListTy &&ArgsList, const CallBase &Call)
CallLoweringInfo &	setInRegister (bool Value=true)
CallLoweringInfo &	setNoReturn (bool Value=true)
CallLoweringInfo &	setVarArg (bool Value=true)
CallLoweringInfo &	setTailCall (bool Value=true)
CallLoweringInfo &	setDiscardResult (bool Value=true)
CallLoweringInfo &	setConvergent (bool Value=true)
CallLoweringInfo &	setSExtResult (bool Value=true)
CallLoweringInfo &	setZExtResult (bool Value=true)
CallLoweringInfo &	setIsPatchPoint (bool Value=true)
CallLoweringInfo &	setIsPreallocated (bool Value=true)
CallLoweringInfo &	setPtrAuth (PtrAuthInfo Value)
CallLoweringInfo &	setIsPostTypeLegalization (bool Value=true)
CallLoweringInfo &	setCFIType (const ConstantInt *Type)
CallLoweringInfo &	setConvergenceControlToken (SDValue Token)
CallLoweringInfo &	setDeactivationSymbol (GlobalValue *Sym)
ArgListTy &	getArgs ()

Public Attributes
SDValue	Chain
Type *	OrigRetTy = nullptr
	Original unlegalized return type.
Type *	RetTy = nullptr
	Same as OrigRetTy, or partially legalized for soft float libcalls.
bool	RetSExt: 1
bool	RetZExt: 1
bool	IsVarArg: 1
bool	IsInReg: 1
bool	DoesNotReturn: 1
bool	IsReturnValueUsed: 1
bool	IsConvergent: 1
bool	IsPatchPoint: 1
bool	IsPreallocated: 1
bool	NoMerge: 1
bool	IsTailCall = false
bool	IsPostTypeLegalization = false
unsigned	NumFixedArgs = -1
CallingConv::ID	CallConv = CallingConv::C
SDValue	Callee
ArgListTy	Args
SelectionDAG &	DAG
SDLoc	DL
const CallBase *	CB = nullptr
SmallVector< ISD::OutputArg, 32 >	Outs
SmallVector< SDValue, 32 >	OutVals
SmallVector< ISD::InputArg, 32 >	Ins
SmallVector< SDValue, 4 >	InVals
const ConstantInt *	CFIType = nullptr
SDValue	ConvergenceControlToken
GlobalValue *	DeactivationSymbol = nullptr
std::optional< PtrAuthInfo >	PAI

Detailed Description

This structure contains all information that is necessary for lowering calls.

It is passed to TLI::LowerCallTo when the SelectionDAG builder needs to lower a call, and targets will see this struct in their LowerCall implementation.

Definition at line 4821 of file TargetLowering.h.

Constructor & Destructor Documentation

◆ CallLoweringInfo()

llvm::TargetLowering::CallLoweringInfo::CallLoweringInfo ( SelectionDAG & DAG )

inline

Definition at line 4862 of file TargetLowering.h.

References DAG, DoesNotReturn, IsConvergent, IsInReg, IsPatchPoint, IsPreallocated, IsReturnValueUsed, IsVarArg, NoMerge, RetSExt, and RetZExt.

Referenced by setCallee(), setCallee(), setCFIType(), setChain(), setConvergenceControlToken(), setConvergent(), setDeactivationSymbol(), setDebugLoc(), setDiscardResult(), setInRegister(), setIsPatchPoint(), setIsPostTypeLegalization(), setIsPreallocated(), setLibCallee(), setLibCallee(), setNoReturn(), setPtrAuth(), setSExtResult(), setTailCall(), setVarArg(), and setZExtResult().

Member Function Documentation

◆ getArgs()

ArgListTy & llvm::TargetLowering::CallLoweringInfo::getArgs ( )

inline

Definition at line 5017 of file TargetLowering.h.

References Args.

Referenced by llvm::NVPTXTargetLowering::LowerCall(), llvm::SparcTargetLowering::LowerCall_32(), and llvm::TargetLowering::LowerCallTo().

◆ setCallee() [1/2]

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setCallee	(	CallingConv::ID	CC,
		Type *	ResultType,
		SDValue	Target,
		ArgListTy &&	ArgsList,
		AttributeSet	ResultAttrs = {} )

inline

Definition at line 4900 of file TargetLowering.h.

References CallLoweringInfo().

Referenced by llvm::SelectionDAGBuilder::LowerCallTo(), llvm::VETargetLowering::lowerDYNAMIC_STACKALLOC(), llvm::SparcTargetLowering::LowerF128Compare(), llvm::SparcTargetLowering::LowerF128Op(), llvm::SystemZTargetLowering::makeExternalCall(), llvm::SelectionDAGBuilder::populateCallLoweringInfo(), llvm::SelectionDAGBuilder::visitSPDescriptorFailure(), and llvm::SelectionDAGBuilder::visitSPDescriptorParent().

◆ setCallee() [2/2]

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setCallee	(	Type *	ResultType,
		FunctionType *	FTy,
		SDValue	Target,
		ArgListTy &&	ArgsList,
		const CallBase &	Call )

inline

Definition at line 4916 of file TargetLowering.h.

References Args, Call, CallConv, Callee, CallLoweringInfo(), CB, DoesNotReturn, llvm::FunctionType::getNumParams(), llvm::isa(), IsInReg, IsReturnValueUsed, IsVarArg, llvm::FunctionType::isVarArg(), NoMerge, NumFixedArgs, OrigRetTy, RetSExt, RetTy, and RetZExt.

◆ setCFIType()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setCFIType ( const ConstantInt * Type )

inline

Definition at line 5002 of file TargetLowering.h.

References CallLoweringInfo(), and CFIType.

Referenced by llvm::SelectionDAGBuilder::LowerCallTo().

◆ setChain()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setChain ( SDValue InChain )

inline

Definition at line 4873 of file TargetLowering.h.

References CallLoweringInfo(), and Chain.

◆ setConvergenceControlToken()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setConvergenceControlToken ( SDValue Token )

inline

Definition at line 5007 of file TargetLowering.h.

References CallLoweringInfo(), and ConvergenceControlToken.

Referenced by llvm::SelectionDAGBuilder::LowerCallTo().

◆ setConvergent()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setConvergent ( bool Value = true )

inline

Definition at line 4967 of file TargetLowering.h.

References CallLoweringInfo(), and IsConvergent.

Referenced by llvm::SelectionDAGBuilder::LowerCallTo().

◆ setDeactivationSymbol()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setDeactivationSymbol ( GlobalValue * Sym )

inline

Definition at line 5012 of file TargetLowering.h.

References CallLoweringInfo(), and DeactivationSymbol.

Referenced by llvm::SelectionDAGBuilder::LowerCallTo().

◆ setDebugLoc()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setDebugLoc ( const SDLoc & dl )

inline

Definition at line 4868 of file TargetLowering.h.

References CallLoweringInfo(), and DL.

◆ setDiscardResult()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setDiscardResult ( bool Value = true )

inline

Definition at line 4962 of file TargetLowering.h.

References CallLoweringInfo(), and IsReturnValueUsed.

Referenced by llvm::ARMSelectionDAGInfo::EmitSpecializedLibcall(), llvm::HexagonSelectionDAGInfo::EmitTargetCodeForMemcpy(), llvm::XCoreSelectionDAGInfo::EmitTargetCodeForMemcpy(), llvm::SelectionDAG::getAtomicMemcpy(), llvm::SelectionDAG::getAtomicMemmove(), llvm::SelectionDAG::getAtomicMemset(), llvm::SelectionDAG::getMemcpy(), llvm::SelectionDAG::getMemmove(), llvm::SelectionDAG::getMemset(), llvm::VETargetLowering::lowerDYNAMIC_STACKALLOC(), llvm::SystemZTargetLowering::makeExternalCall(), llvm::TargetLowering::makeLibCall(), and llvm::SelectionDAGBuilder::populateCallLoweringInfo().

◆ setInRegister()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setInRegister ( bool Value = true )

inline

Definition at line 4942 of file TargetLowering.h.

References CallLoweringInfo(), and IsInReg.

◆ setIsPatchPoint()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setIsPatchPoint ( bool Value = true )

inline

Definition at line 4982 of file TargetLowering.h.

References CallLoweringInfo(), and IsPatchPoint.

Referenced by llvm::SelectionDAGBuilder::populateCallLoweringInfo().

◆ setIsPostTypeLegalization()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setIsPostTypeLegalization ( bool Value = true )

inline

Definition at line 4997 of file TargetLowering.h.

References CallLoweringInfo(), and IsPostTypeLegalization.

Referenced by llvm::TargetLowering::makeLibCall().

◆ setIsPreallocated()

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setIsPreallocated ( bool Value = true )

inline

Definition at line 4987 of file TargetLowering.h.

References CallLoweringInfo(), and IsPreallocated.

Referenced by llvm::SelectionDAGBuilder::LowerCallTo(), and llvm::SelectionDAGBuilder::populateCallLoweringInfo().

◆ setLibCallee() [1/2]

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setLibCallee	(	CallingConv::ID	CC,
		Type *	ResultType,
		SDValue	Target,
		ArgListTy &&	ArgsList )

inline

Definition at line 4879 of file TargetLowering.h.

References CallLoweringInfo(), and setLibCallee().

Referenced by llvm::ARMSelectionDAGInfo::EmitSpecializedLibcall(), llvm::AArch64SelectionDAGInfo::EmitStreamingCompatibleMemLibCall(), llvm::HexagonSelectionDAGInfo::EmitTargetCodeForMemcpy(), llvm::XCoreSelectionDAGInfo::EmitTargetCodeForMemcpy(), llvm::TargetLowering::expandMultipleResultFPLibCall(), llvm::SelectionDAG::getAtomicMemcpy(), llvm::SelectionDAG::getAtomicMemmove(), llvm::SelectionDAG::getAtomicMemset(), llvm::SelectionDAG::getMemcpy(), llvm::SelectionDAG::getMemmove(), llvm::SelectionDAG::getMemset(), getRuntimeCallSDValueHelper(), llvm::TargetLowering::LowerToTLSEmulatedModel(), llvm::TargetLowering::makeLibCall(), llvm::SelectionDAG::makeStateFunctionCall(), and setLibCallee().

◆ setLibCallee() [2/2]

CallLoweringInfo & llvm::TargetLowering::CallLoweringInfo::setLibCallee	(	CallingConv::ID	CC,
		Type *	ResultType,
		Type *	OrigResultType,
		SDValue	Target,
		ArgListTy &&	ArgsList )