68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
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//===- HexagonMCShuffler.h --------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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