MemoryBuiltins.h

//===- llvm/Analysis/MemoryBuiltins.h- Calls to memory builtins -*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This family of functions identifies calls to builtin functions that allocate
// or free memory.  
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ANALYSIS_MEMORYBUILTINS_H
#define LLVM_ANALYSIS_MEMORYBUILTINS_H

namespace llvm {
class CallInst;
class PointerType;
class TargetData;
class Type;
class Value;

//===----------------------------------------------------------------------===//
//  malloc Call Utility Functions.
//

bool isMalloc(const Value *I);

const CallInst *extractMallocCall(const Value *I);
CallInst *extractMallocCall(Value *I);

const CallInst *extractMallocCallFromBitCast(const Value *I);
CallInst *extractMallocCallFromBitCast(Value *I);

const CallInst *isArrayMalloc(const Value *I, const TargetData *TD);

const PointerType *getMallocType(const CallInst *CI);

const Type *getMallocAllocatedType(const CallInst *CI);

Value *getMallocArraySize(CallInst *CI, const TargetData *TD,
                          bool LookThroughSExt = false);
                          
//===----------------------------------------------------------------------===//
//  free Call Utility Functions.
//

bool isFreeCall(const Value *I);

} // End llvm namespace

#endif

---