llvm/utils/TableGen/FastISelEmitter.h
Peter Collingbourne 7c78888887 Move TableGen's parser and entry point into a library
This is the first step towards splitting LLVM and Clang's tblgen executables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-01 16:41:13 +00:00

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//===- FastISelEmitter.h - Generate an instruction selector -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend emits a "fast" instruction selector.
//
//===----------------------------------------------------------------------===//
#ifndef FASTISEL_EMITTER_H
#define FASTISEL_EMITTER_H
#include "CodeGenDAGPatterns.h"
#include "llvm/TableGen/TableGenBackend.h"
namespace llvm {
class CodeGenTarget;
/// FastISelEmitter - The top-level class which coordinates construction
/// and emission of the instruction selector.
///
class FastISelEmitter : public TableGenBackend {
RecordKeeper &Records;
CodeGenDAGPatterns CGP;
public:
explicit FastISelEmitter(RecordKeeper &R);
// run - Output the isel, returning true on failure.
void run(raw_ostream &OS);
};
} // End llvm namespace
#endif