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84d7f86244
put each major step in a separate function. This makes the high level sequence of events easier to follow. llvm-svn: 55385
40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
//===- FastISelEmitter.h - Generate an instruction selector -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This tablegen backend emits a "fast" instruction selector.
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//
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//===----------------------------------------------------------------------===//
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#ifndef FASTISEL_EMITTER_H
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#define FASTISEL_EMITTER_H
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#include "TableGenBackend.h"
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#include "CodeGenDAGPatterns.h"
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namespace llvm {
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class CodeGenTarget;
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/// FastISelEmitter - The top-level class which coordinates construction
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/// and emission of the instruction selector.
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///
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class FastISelEmitter : public TableGenBackend {
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RecordKeeper &Records;
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CodeGenDAGPatterns CGP;
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public:
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explicit FastISelEmitter(RecordKeeper &R);
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// run - Output the isel, returning true on failure.
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void run(std::ostream &OS);
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};
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} // End llvm namespace
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#endif
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