clang  6.0.0svn
Public Member Functions | Public Attributes | List of all members
clang::CodeGen::BlockByrefHelpers Class Referenceabstract

A pair of helper functions for a __block variable. More...

#include "/opt/doxygen-docs/src/llvm/tools/clang/lib/CodeGen/CodeGenModule.h"

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Public Member Functions

 BlockByrefHelpers (CharUnits alignment)
 
 BlockByrefHelpers (const BlockByrefHelpers &)=default
 
virtual ~BlockByrefHelpers ()
 
void Profile (llvm::FoldingSetNodeID &id) const
 
virtual void profileImpl (llvm::FoldingSetNodeID &id) const =0
 
virtual bool needsCopy () const
 
virtual void emitCopy (CodeGenFunction &CGF, Address dest, Address src)=0
 
virtual bool needsDispose () const
 
virtual void emitDispose (CodeGenFunction &CGF, Address field)=0
 

Public Attributes

llvm::Constant * CopyHelper
 
llvm::Constant * DisposeHelper
 
CharUnits Alignment
 The alignment of the field. More...
 

Detailed Description

A pair of helper functions for a __block variable.

Definition at line 221 of file CodeGenModule.h.

Constructor & Destructor Documentation

◆ BlockByrefHelpers() [1/2]

clang::CodeGen::BlockByrefHelpers::BlockByrefHelpers ( CharUnits  alignment)
inline

Definition at line 233 of file CodeGenModule.h.

◆ BlockByrefHelpers() [2/2]

clang::CodeGen::BlockByrefHelpers::BlockByrefHelpers ( const BlockByrefHelpers )
default

◆ ~BlockByrefHelpers()

BlockByrefHelpers::~BlockByrefHelpers ( )
virtual

Definition at line 47 of file CGBlocks.cpp.

References buildGlobalBlock().

Member Function Documentation

◆ emitCopy()

virtual void clang::CodeGen::BlockByrefHelpers::emitCopy ( CodeGenFunction CGF,
Address  dest,
Address  src 
)
pure virtual

◆ emitDispose()

virtual void clang::CodeGen::BlockByrefHelpers::emitDispose ( CodeGenFunction CGF,
Address  field 
)
pure virtual

◆ needsCopy()

virtual bool clang::CodeGen::BlockByrefHelpers::needsCopy ( ) const
inlinevirtual

Definition at line 243 of file CodeGenModule.h.

◆ needsDispose()

virtual bool clang::CodeGen::BlockByrefHelpers::needsDispose ( ) const
inlinevirtual

Definition at line 246 of file CodeGenModule.h.

◆ Profile()

void clang::CodeGen::BlockByrefHelpers::Profile ( llvm::FoldingSetNodeID &  id) const
inline

Definition at line 237 of file CodeGenModule.h.

References clang::CharUnits::getQuantity().

◆ profileImpl()

virtual void clang::CodeGen::BlockByrefHelpers::profileImpl ( llvm::FoldingSetNodeID &  id) const
pure virtual

Member Data Documentation

◆ Alignment

CharUnits clang::CodeGen::BlockByrefHelpers::Alignment

The alignment of the field.

This is important because different offsets to the field within the byref struct need to have different helper functions.

Definition at line 231 of file CodeGenModule.h.

◆ CopyHelper

llvm::Constant* clang::CodeGen::BlockByrefHelpers::CopyHelper

Definition at line 225 of file CodeGenModule.h.

◆ DisposeHelper

llvm::Constant* clang::CodeGen::BlockByrefHelpers::DisposeHelper

Definition at line 226 of file CodeGenModule.h.


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