class CodeGenFunction::OMPPrivateScope

Declaration

class CodeGenFunction::OMPPrivateScope : public RunCleanupsScope { /* full declaration omitted */ };

Description

The scope used to remap some variables as private in the OpenMP loop body (or other captured region emitted without outlining), and to restore old vars back on exit.

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1066

Inherits from: CodeGenFunction::RunCleanupsScope

Member Variables

private clang::CodeGen::CodeGenFunction::OMPMapVars MappedVars

Inherited from CodeGenFunction::RunCleanupsScope:

protected PerformCleanup

protected CGF

Method Overview

• public void ForceCleanup()
• private OMPPrivateScope(const clang::CodeGen::CodeGenFunction::OMPPrivateScope &)
• public OMPPrivateScope(clang::CodeGen::CodeGenFunction & CGF)
• public bool Privatize()
• public bool addPrivate(const clang::VarDecl * LocalVD, clang::CodeGen::Address Addr)
• public bool isGlobalVarCaptured(const clang::VarDecl * VD) const
• public void restoreMap()
• public ~OMPPrivateScope()

Inherited from CodeGenFunction::RunCleanupsScope:

• public ForceCleanup
• public requiresCleanups

Methods

¶void ForceCleanup()

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1095

¶OMPPrivateScope(
    const clang::CodeGen::CodeGenFunction::
        OMPPrivateScope&)

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1068

Parameters

const clang::CodeGen::CodeGenFunction:: OMPPrivateScope&

¶OMPPrivateScope(
    clang::CodeGen::CodeGenFunction& CGF)

Description

Enter a new OpenMP private scope.

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1073

Parameters

clang::CodeGen::CodeGenFunction& CGF

¶bool Privatize()

Description

Privatizes local variables previously registered as private. Registration is separate from the actual privatization to allow initializers use values of the original variables, not the private one. This is important, for example, if the private variable is a class variable initialized by a constructor that references other private variables. But at initialization original variables must be used, not private copies.

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1093

Returns

true if at least one variable was privatized, false otherwise.

¶bool addPrivate(const clang::VarDecl* LocalVD,
                clang::CodeGen::Address Addr)

Description

Registers \p LocalVD variable as a private with \p Addr as the address of the corresponding private variable. \p PrivateGen is the address of the generated private variable.

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1080

Parameters

const clang::VarDecl* LocalVD

clang::CodeGen::Address Addr

Returns

true if the variable is registered as private, false if it has been privatized already.

¶bool isGlobalVarCaptured(
    const clang::VarDecl* VD) const

Description

Checks if the global variable is captured in current function.

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1107

Parameters

const clang::VarDecl* VD

¶void restoreMap()

Description

Restore all mapped variables w/o clean up. This is usefully when we want to reference the original variables but don't want the clean up because that could emit lifetime end too early, causing backend issue #56913.

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1115

¶~OMPPrivateScope()

Description

Exit scope - all the mapped variables are restored.

Declared at: clang/lib/CodeGen/CodeGenFunction.h:1101