forked from OSchip/llvm-project
40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
//===- 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
|