LLVM  6.0.0svn
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ObjCARCExpand.cpp File Reference

This file defines ObjC ARC optimizations. More...

#include "ObjCARC.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/PassAnalysisSupport.h"
#include "llvm/PassRegistry.h"
#include "llvm/PassSupport.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
Include dependency graph for ObjCARCExpand.cpp:

Go to the source code of this file.

Namespaces

 llvm
 Compute iterated dominance frontiers using a linear time algorithm.
 

Macros

#define DEBUG_TYPE   "objc-arc-expand"
 

Functions

 INITIALIZE_PASS (ObjCARCExpand, "objc-arc-expand", "ObjC ARC expansion", false, false) Pass *llvm
 

Detailed Description

This file defines ObjC ARC optimizations.

ARC stands for Automatic Reference Counting and is a system for managing reference counts for objects in Objective C.

This specific file deals with early optimizations which perform certain cleanup operations.

WARNING: This file knows about certain library functions. It recognizes them by name, and hardwires knowledge of their semantics.

WARNING: This file knows about how certain Objective-C library functions are used. Naive LLVM IR transformations which would otherwise be behavior-preserving may break these assumptions.

Definition in file ObjCARCExpand.cpp.

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE   "objc-arc-expand"

Definition at line 40 of file ObjCARCExpand.cpp.

Function Documentation

◆ INITIALIZE_PASS()

INITIALIZE_PASS ( ObjCARCExpand  ,
"objc-arc-expand ,
"ObjC ARC expansion"  ,
false  ,
false   
)