1 //===-- llvm/Assembly/CachedWriter.h - Printer Accellerator -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines a 'CacheWriter' class that is used to accelerate printing
11 // chunks of LLVM. This is used when a module is not being changed, but random
12 // parts of it need to be printed. This can greatly speed up printing of LLVM
15 //===----------------------------------------------------------------------===//
17 #ifndef LLVM_ASSEMBLY_CACHED_WRITER_H
18 #define LLVM_ASSEMBLY_CACHED_WRITER_H
20 #include "llvm/Value.h"
26 class AssemblyWriter; // Internal private class
34 CachedWriter(std::ostream &O = std::cout) : AW(0), SC(0), Out(O) { }
35 CachedWriter(const Module *M, std::ostream &O = std::cout)
36 : AW(0), SC(0), Out(O) {
41 // setModule - Invalidate internal state, use the new module instead.
42 void setModule(const Module *M);
44 CachedWriter &operator<<(const Value *V);
46 inline CachedWriter &operator<<(Value *X) {
47 return *this << (const Value*)X;
49 inline CachedWriter &operator<<(const GlobalVariable *X) {
50 return *this << (const Value*)X;
52 inline CachedWriter &operator<<(const Function *X) {
53 return *this << (const Value*)X;
55 inline CachedWriter &operator<<(const Argument *X) {
56 return *this << (const Value*)X;
58 inline CachedWriter &operator<<(const BasicBlock *X) {
59 return *this << (const Value*)X;
61 inline CachedWriter &operator<<(const Instruction *X) {
62 return *this << (const Value*)X;
64 inline CachedWriter &operator<<(const Constant *X) {
65 return *this << (const Value*)X;
67 inline CachedWriter &operator<<(const Type *X) {
68 return *this << (const Value*)X;
70 inline CachedWriter &operator<<(const PointerType *X) {
71 return *this << (const Value*)X;
74 inline CachedWriter &operator<<(std::ostream &(&Manip)(std::ostream &)) {
75 Out << Manip; return *this;
79 inline CachedWriter &operator<<(const X &v) {