clang-1/include/clang/CodeGen/CodeGenAction.h

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//===--- CodeGenAction.h - LLVM Code Generation Frontend Action -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_CODEGEN_CODE_GEN_ACTION_H
#define LLVM_CLANG_CODEGEN_CODE_GEN_ACTION_H
#include "clang/Frontend/FrontendAction.h"
#include "llvm/ADT/OwningPtr.h"
namespace llvm {
class LLVMContext;
class Module;
}
namespace clang {
class BackendConsumer;
class CodeGenAction : public ASTFrontendAction {
private:
unsigned Act;
OwningPtr<llvm::Module> TheModule;
llvm::Module *LinkModule;
llvm::LLVMContext *VMContext;
bool OwnsVMContext;
protected:
/// Create a new code generation action. If the optional \arg _VMContext
/// parameter is supplied, the action uses it without taking ownership,
/// otherwise it creates a fresh LLVM context and takes ownership.
CodeGenAction(unsigned _Act, llvm::LLVMContext *_VMContext = 0);
virtual bool hasIRSupport() const;
virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
StringRef InFile);
virtual void ExecuteAction();
virtual void EndSourceFileAction();
public:
~CodeGenAction();
/// setLinkModule - Set the link module to be used by this action. If a link
/// module is not provided, and CodeGenOptions::LinkBitcodeFile is non-empty,
/// the action will load it from the specified file.
void setLinkModule(llvm::Module *Mod) { LinkModule = Mod; }
/// takeModule - Take the generated LLVM module, for use after the action has
/// been run. The result may be null on failure.
llvm::Module *takeModule();
/// Take the LLVM context used by this action.
llvm::LLVMContext *takeLLVMContext();
BackendConsumer *BEConsumer;
};
class EmitAssemblyAction : public CodeGenAction {
virtual void anchor();
public:
EmitAssemblyAction(llvm::LLVMContext *_VMContext = 0);
};
class EmitBCAction : public CodeGenAction {
virtual void anchor();
public:
EmitBCAction(llvm::LLVMContext *_VMContext = 0);
};
class EmitLLVMAction : public CodeGenAction {
virtual void anchor();
public:
EmitLLVMAction(llvm::LLVMContext *_VMContext = 0);
};
class EmitLLVMOnlyAction : public CodeGenAction {
virtual void anchor();
public:
EmitLLVMOnlyAction(llvm::LLVMContext *_VMContext = 0);
};
class EmitCodeGenOnlyAction : public CodeGenAction {
virtual void anchor();
public:
EmitCodeGenOnlyAction(llvm::LLVMContext *_VMContext = 0);
};
class EmitObjAction : public CodeGenAction {
virtual void anchor();
public:
EmitObjAction(llvm::LLVMContext *_VMContext = 0);
};
}
#endif