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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10718 91177308-0d34-0410-b5e6-96231b3b80d8
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
//===-- llvm/Assembly/CachedWriter.h - Printer Accellerator -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a 'CachedWriter' class that is used to accelerate printing
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// chunks of LLVM. This is used when a module is not being changed, but random
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// parts of it need to be printed. This can greatly speed up printing of LLVM
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// output.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ASSEMBLY_CACHEDWRITER_H
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#define LLVM_ASSEMBLY_CACHEDWRITER_H
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#include "llvm/Value.h"
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#include <iostream>
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namespace llvm {
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class Module;
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class PointerType;
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class SlotCalculator;
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class AssemblyWriter; // Internal private class
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class CachedWriter {
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AssemblyWriter *AW;
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SlotCalculator *SC;
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public:
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std::ostream &Out;
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public:
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CachedWriter(std::ostream &O = std::cout) : AW(0), SC(0), Out(O) { }
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CachedWriter(const Module *M, std::ostream &O = std::cout)
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: AW(0), SC(0), Out(O) {
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setModule(M);
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}
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~CachedWriter();
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// setModule - Invalidate internal state, use the new module instead.
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void setModule(const Module *M);
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CachedWriter &operator<<(const Value *V);
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inline CachedWriter &operator<<(Value *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const GlobalVariable *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const Function *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const Argument *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const BasicBlock *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const Instruction *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const Constant *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const Type *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(const PointerType *X) {
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return *this << (const Value*)X;
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}
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inline CachedWriter &operator<<(std::ostream &(&Manip)(std::ostream &)) {
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Out << Manip; return *this;
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}
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template<class X>
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inline CachedWriter &operator<<(const X &v) {
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Out << v;
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return *this;
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}
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};
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} // End llvm namespace
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#endif
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