forked from OSchip/llvm-project
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
//===- HexagonMCShuffler.h --------------------------------------*- 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 declares the shuffling of insns inside a bundle according to the
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// packet formation rules of the Hexagon ISA.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCSHUFFLER_H
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#define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCSHUFFLER_H
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#include "MCTargetDesc/HexagonMCInstrInfo.h"
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#include "MCTargetDesc/HexagonShuffler.h"
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#include "llvm/ADT/SmallVector.h"
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namespace llvm {
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class MCContext;
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class MCInst;
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class MCInstrInfo;
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class MCSubtargetInfo;
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// Insn bundle shuffler.
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class HexagonMCShuffler : public HexagonShuffler {
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public:
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HexagonMCShuffler(MCContext &Context, bool Fatal, MCInstrInfo const &MCII,
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MCSubtargetInfo const &STI, MCInst &MCB)
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: HexagonShuffler(Context, Fatal, MCII, STI) {
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init(MCB);
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}
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HexagonMCShuffler(MCContext &Context, bool Fatal, MCInstrInfo const &MCII,
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MCSubtargetInfo const &STI, MCInst &MCB,
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MCInst const &AddMI, bool InsertAtFront)
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: HexagonShuffler(Context, Fatal, MCII, STI) {
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init(MCB, AddMI, InsertAtFront);
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}
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// Copy reordered bundle to another.
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void copyTo(MCInst &MCB);
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// Reorder and copy result to another.
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bool reshuffleTo(MCInst &MCB);
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private:
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void init(MCInst &MCB);
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void init(MCInst &MCB, MCInst const &AddMI, bool InsertAtFront);
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};
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// Invocation of the shuffler.
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bool HexagonMCShuffle(MCContext &Context, bool Fatal, MCInstrInfo const &MCII,
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MCSubtargetInfo const &STI, MCInst &MCB);
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bool HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII,
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MCSubtargetInfo const &STI, MCInst &MCB,
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MCInst const &AddMI, int fixupCount);
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bool HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII,
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MCSubtargetInfo const &STI, MCInst &MCB,
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SmallVector<DuplexCandidate, 8> possibleDuplexes);
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCSHUFFLER_H
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