Class intended to support codegen of all kind of the reduction clauses. More...

#include "/home/buildbot/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/CodeGen/CGOpenMPRuntime.h"

Public Member Functions
	ReductionCodeGen (ArrayRef< const Expr * > Shareds, ArrayRef< const Expr * > Origs, ArrayRef< const Expr * > Privates, ArrayRef< const Expr * > ReductionOps)

void	emitSharedOrigLValue (CodeGenFunction &CGF, unsigned N)
	Emits lvalue for the shared and original reduction item.

void	emitAggregateType (CodeGenFunction &CGF, unsigned N)
	Emits the code for the variable-modified type, if required.

void	emitAggregateType (CodeGenFunction &CGF, unsigned N, llvm::Value *Size)
	Emits the code for the variable-modified type, if required.

void	emitInitialization (CodeGenFunction &CGF, unsigned N, Address PrivateAddr, Address SharedAddr, llvm::function_ref< bool(CodeGenFunction &)> DefaultInit)
	Performs initialization of the private copy for the reduction item.

bool	needCleanups (unsigned N)
	Returns true if the private copy requires cleanups.

void	emitCleanups (CodeGenFunction &CGF, unsigned N, Address PrivateAddr)
	Emits cleanup code for the reduction item.

Address	adjustPrivateAddress (CodeGenFunction &CGF, unsigned N, Address PrivateAddr)
	Adjusts `PrivatedAddr` for using instead of the original variable address in normal operations.

LValue	getSharedLValue (unsigned N) const
	Returns LValue for the reduction item.

LValue	getOrigLValue (unsigned N) const
	Returns LValue for the original reduction item.

std::pair< llvm::Value , llvm::Value >	getSizes (unsigned N) const
	Returns the size of the reduction item (in chars and total number of elements in the item), or nullptr, if the size is a constant.

const VarDecl *	getBaseDecl (unsigned N) const
	Returns the base declaration of the reduction item.

const Expr *	getRefExpr (unsigned N) const
	Returns the base declaration of the reduction item.

bool	usesReductionInitializer (unsigned N) const
	Returns true if the initialization of the reduction item uses initializer from declare reduction construct.

QualType	getPrivateType (unsigned N) const
	Return the type of the private item.

Detailed Description

Class intended to support codegen of all kind of the reduction clauses.

Definition at line 128 of file CGOpenMPRuntime.h.

Constructor & Destructor Documentation

◆ ReductionCodeGen()

ReductionCodeGen::ReductionCodeGen	(	ArrayRef< const Expr * >	Shareds,
		ArrayRef< const Expr * >	Origs,
		ArrayRef< const Expr * >	Privates,
		ArrayRef< const Expr * >	ReductionOps
	)

Definition at line 767 of file CGOpenMPRuntime.cpp.

Member Function Documentation

◆ adjustPrivateAddress()

Address ReductionCodeGen::adjustPrivateAddress	(	CodeGenFunction &	CGF,
		unsigned	N,
		Address	PrivateAddr
	)

Adjusts PrivatedAddr for using instead of the original variable address in normal operations.

Parameters

N	Number of the reduction item.
PrivateAddr	Address of the corresponding private item.

Definition at line 962 of file CGOpenMPRuntime.cpp.

References clang::CodeGen::CodeGenFunction::Builder, castToBase(), clang::CodeGen::CGBuilderTy::CreateGEP(), clang::CodeGen::CGBuilderTy::CreatePointerBitCastOrAddrSpaceCast(), clang::CodeGen::CodeGenFunction::EmitLValue(), clang::CodeGen::Address::emitRawPointer(), clang::CodeGen::LValue::getAddress(), getBaseDecl(), clang::CodeGen::Address::getElementType(), clang::CodeGen::LValue::getPointer(), clang::CodeGen::Address::getType(), and loadToBegin().

◆ emitAggregateType() [1/2]

void ReductionCodeGen::emitAggregateType	(	CodeGenFunction &	CGF,
		unsigned	N
	)

Emits the code for the variable-modified type, if required.

Parameters

N	Number of the reduction item.

Definition at line 801 of file CGOpenMPRuntime.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::EmitVariablyModifiedType(), clang::CodeGen::RValue::get(), clang::ASTContext::getAsVariableArrayType(), clang::CodeGen::CodeGenFunction::getContext(), getPrivateType(), clang::VariableArrayType::getSizeExpr(), clang::CodeGen::CodeGenFunction::getTypeSize(), and clang::Type::isVariablyModifiedType().

Referenced by emitReduceCombFunction(), emitReduceFiniFunction(), emitReduceInitFunction(), emitScanBasedDirectiveDecls(), and clang::CodeGen::CGOpenMPRuntime::emitTaskReductionInit().

◆ emitAggregateType() [2/2]

void ReductionCodeGen::emitAggregateType	(	CodeGenFunction &	CGF,
		unsigned	N,
		llvm::Value *	Size
	)

Emits the code for the variable-modified type, if required.

Parameters

N	Number of the reduction item.
Size	Size of the type in chars.

Definition at line 835 of file CGOpenMPRuntime.cpp.

References clang::CodeGen::CodeGenFunction::EmitVariablyModifiedType(), clang::CodeGen::RValue::get(), clang::ASTContext::getAsVariableArrayType(), clang::CodeGen::CodeGenFunction::getContext(), getPrivateType(), clang::VariableArrayType::getSizeExpr(), and clang::Type::isVariablyModifiedType().

◆ emitCleanups()

void ReductionCodeGen::emitCleanups	(	CodeGenFunction &	CGF,
		unsigned	N,
		Address	PrivateAddr
	)

Emits cleanup code for the reduction item.

Parameters

N	Number of the reduction item.
PrivateAddr	Address of the corresponding private item.

Definition at line 883 of file CGOpenMPRuntime.cpp.

References clang::CodeGen::CodeGenFunction::ConvertTypeForMem(), getPrivateType(), clang::QualType::isDestructedType(), needCleanups(), clang::CodeGen::CodeGenFunction::pushDestroy(), and clang::CodeGen::Address::withElementType().

Referenced by emitReduceFiniFunction().

◆ emitInitialization()

void ReductionCodeGen::emitInitialization	(	CodeGenFunction &	CGF,
		unsigned	N,
		Address	PrivateAddr,
		Address	SharedAddr,
		llvm::function_ref< bool(CodeGenFunction &)>	DefaultInit
	)

Performs initialization of the private copy for the reduction item.

Parameters

N	Number of the reduction item.
PrivateAddr	Address of the corresponding private item.
DefaultInit	Default initialization sequence that should be performed if no reduction specific initialization is found.
SharedAddr	Address of the original shared variable.

Definition at line 852 of file CGOpenMPRuntime.cpp.

References clang::CodeGen::CodeGenFunction::EmitAnyExprToMem(), emitInitWithReductionInitializer(), clang::ASTContext::getAsArrayType(), clang::CodeGen::CodeGenFunction::getContext(), clang::OMPDeclareReductionDecl::getInitializer(), getReductionInit(), clang::CodeGen::Address::getType(), clang::CodeGen::CodeGenFunction::isTrivialInitializer(), and clang::Private.

Referenced by emitReduceInitFunction().