llvm-6502/include/llvm/Assembly/CachedWriter.h
2003-11-11 22:41:34 +00:00

90 lines
2.5 KiB
C++

//===-- llvm/Assembly/CachedWriter.h - Printer Accellerator -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines a 'CacheWriter' class that is used to accelerate printing
// chunks of LLVM. This is used when a module is not being changed, but random
// parts of it need to be printed. This can greatly speed up printing of LLVM
// output.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ASSEMBLY_CACHED_WRITER_H
#define LLVM_ASSEMBLY_CACHED_WRITER_H
#include "llvm/Value.h"
#include <iostream>
namespace llvm {
class Module;
class PointerType;
class SlotCalculator;
class AssemblyWriter; // Internal private class
class CachedWriter {
AssemblyWriter *AW;
SlotCalculator *SC;
public:
std::ostream &Out;
public:
CachedWriter(std::ostream &O = std::cout) : AW(0), SC(0), Out(O) { }
CachedWriter(const Module *M, std::ostream &O = std::cout)
: AW(0), SC(0), Out(O) {
setModule(M);
}
~CachedWriter();
// setModule - Invalidate internal state, use the new module instead.
void setModule(const Module *M);
CachedWriter &operator<<(const Value *V);
inline CachedWriter &operator<<(Value *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const GlobalVariable *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const Function *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const Argument *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const BasicBlock *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const Instruction *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const Constant *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const Type *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(const PointerType *X) {
return *this << (const Value*)X;
}
inline CachedWriter &operator<<(std::ostream &(&Manip)(std::ostream &)) {
Out << Manip; return *this;
}
template<class X>
inline CachedWriter &operator<<(const X &v) {
Out << v;
return *this;
}
};
} // End llvm namespace
#endif