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ef9c23f281
* ConstPoolPointerReference now represents a pointer to a GlobalValue * Methods name references are now explicit pointers to methods * Rename Value::GlobalVal to Value::GlobalVariableVal to avoid confusion git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@703 91177308-0d34-0410-b5e6-96231b3b80d8
109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
//===-- llvm/Assembly/Writer.h - Printer for VM assembly files ---*- C++ -*--=//
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//
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// This functionality is implemented by the lib/Assembly/Writer library.
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// This library is used to print VM assembly language files to an iostream. It
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// can print VM code at a variety of granularities, ranging from a whole class
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// down to an individual instruction. This makes it useful for debugging.
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//
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// This file also defines functions that allow it to output files that a program
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// called VCG can read.
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//
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// This library uses the Analysis library to figure out offsets for
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// variables in the method tables...
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ASSEMBLY_WRITER_H
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#define LLVM_ASSEMBLY_WRITER_H
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#include <iostream>
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#include "llvm/Type.h"
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class Module;
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class GlobalVariable;
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class Method;
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class BasicBlock;
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class Instruction;
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class SlotCalculator;
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// The only interface defined by this file... convert the internal
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// representation of an object into an ascii bytestream that the parser can
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// understand later... (the parser only understands whole classes though)
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//
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void WriteToAssembly(const Module *Module, ostream &o);
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void WriteToAssembly(const GlobalVariable *G, ostream &o);
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void WriteToAssembly(const Method *Method, ostream &o);
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void WriteToAssembly(const BasicBlock *BB, ostream &o);
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void WriteToAssembly(const Instruction *In, ostream &o);
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void WriteToAssembly(const ConstPoolVal *V, ostream &o);
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// WriteAsOperand - Write the name of the specified value out to the specified
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// ostream. This can be useful when you just want to print int %reg126, not the
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// whole instruction that generated it.
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//
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ostream &WriteAsOperand(ostream &o, const Value *V, bool PrintType = true,
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bool PrintName = true, SlotCalculator *Table = 0);
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// WriteToVCG - Dump the specified structure to a VCG file. If method is
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// dumped, then the file named is created. If a module is to be written, a
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// family of files with a common base name is created, with a method name
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// suffix.
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//
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void WriteToVCG(const Module *Module, const string &Filename);
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void WriteToVCG(const Method *Method, const string &Filename);
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// Define operator<< to work on the various classes that we can send to an
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// ostream...
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//
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inline ostream &operator<<(ostream &o, const Module *C) {
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WriteToAssembly(C, o); return o;
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}
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inline ostream &operator<<(ostream &o, const GlobalVariable *G) {
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WriteToAssembly(G, o); return o;
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}
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inline ostream &operator<<(ostream &o, const Method *M) {
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WriteToAssembly(M, o); return o;
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}
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inline ostream &operator<<(ostream &o, const BasicBlock *B) {
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WriteToAssembly(B, o); return o;
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}
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inline ostream &operator<<(ostream &o, const Instruction *I) {
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WriteToAssembly(I, o); return o;
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}
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inline ostream &operator<<(ostream &o, const ConstPoolVal *I) {
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WriteToAssembly(I, o); return o;
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}
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inline ostream &operator<<(ostream &o, const Type *T) {
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if (!T) return o << "<null Type>";
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return o << T->getDescription();
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}
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inline ostream &operator<<(ostream &o, const Value *I) {
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switch (I->getValueType()) {
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case Value::TypeVal: return o << cast<const Type>(I);
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case Value::ConstantVal: WriteToAssembly(cast<ConstPoolVal>(I) , o); break;
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case Value::MethodArgumentVal: return o << I->getType() << " "<< I->getName();
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case Value::InstructionVal:WriteToAssembly(cast<Instruction>(I) , o); break;
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case Value::BasicBlockVal: WriteToAssembly(cast<BasicBlock>(I) , o); break;
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case Value::MethodVal: WriteToAssembly(cast<Method>(I) , o); break;
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case Value::GlobalVariableVal:
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WriteToAssembly(cast<GlobalVariable>(I), o); break;
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case Value::ModuleVal: WriteToAssembly(cast<Module>(I) , o); break;
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default: return o << "<unknown value type: " << I->getValueType() << ">";
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}
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return o;
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}
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#endif
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