| //===- HexagonMCShuffler.h --------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This declares the shuffling of insns inside a bundle according to the |
| // packet formation rules of the Hexagon ISA. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCSHUFFLER_H |
| #define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCSHUFFLER_H |
| |
| #include "MCTargetDesc/HexagonMCInstrInfo.h" |
| #include "MCTargetDesc/HexagonShuffler.h" |
| #include "llvm/ADT/SmallVector.h" |
| |
| namespace llvm { |
| |
| class MCContext; |
| class MCInst; |
| class MCInstrInfo; |
| class MCSubtargetInfo; |
| |
| // Insn bundle shuffler. |
| class HexagonMCShuffler : public HexagonShuffler { |
| public: |
| HexagonMCShuffler(MCContext &Context, bool Fatal, MCInstrInfo const &MCII, |
| MCSubtargetInfo const &STI, MCInst &MCB) |
| : HexagonShuffler(Context, Fatal, MCII, STI) { |
| init(MCB); |
| } |
| |
| HexagonMCShuffler(MCContext &Context, bool Fatal, MCInstrInfo const &MCII, |
| MCSubtargetInfo const &STI, MCInst &MCB, |
| MCInst const &AddMI, bool InsertAtFront) |
| : HexagonShuffler(Context, Fatal, MCII, STI) { |
| init(MCB, AddMI, InsertAtFront); |
| } |
| |
| // Copy reordered bundle to another. |
| void copyTo(MCInst &MCB); |
| |
| // Reorder and copy result to another. |
| bool reshuffleTo(MCInst &MCB); |
| |
| private: |
| void init(MCInst &MCB); |
| void init(MCInst &MCB, MCInst const &AddMI, bool InsertAtFront); |
| }; |
| |
| // Invocation of the shuffler. |
| bool HexagonMCShuffle(MCContext &Context, bool Fatal, MCInstrInfo const &MCII, |
| MCSubtargetInfo const &STI, MCInst &MCB); |
| bool HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII, |
| MCSubtargetInfo const &STI, MCInst &MCB, |
| MCInst const &AddMI, int fixupCount); |
| bool HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII, |
| MCSubtargetInfo const &STI, MCInst &MCB, |
| SmallVector<DuplexCandidate, 8> possibleDuplexes); |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCSHUFFLER_H |