| //===- DAGISelEmitter.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 DAG instruction selector. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef DAGISEL_EMITTER_H |
| #define DAGISEL_EMITTER_H |
| |
| #include "TableGenBackend.h" |
| #include "CodeGenDAGPatterns.h" |
| #include <set> |
| |
| namespace llvm { |
| |
| /// DAGISelEmitter - The top-level class which coordinates construction |
| /// and emission of the instruction selector. |
| /// |
| class DAGISelEmitter : public TableGenBackend { |
| RecordKeeper &Records; |
| CodeGenDAGPatterns CGP; |
| public: |
| explicit DAGISelEmitter(RecordKeeper &R) : Records(R), CGP(R) {} |
| |
| // run - Output the isel, returning true on failure. |
| void run(raw_ostream &OS); |
| }; |
| |
| } // End llvm namespace |
| |
| #endif |
