llvm-project/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCShuffler.h

59 lines
2.0 KiB
C++

//=-- HexagonMCShuffler.h ---------------------------------------------------=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This declares the shuffling of insns inside a bundle according to the
// packet formation rules of the Hexagon ISA.
//
//===----------------------------------------------------------------------===//
#ifndef HEXAGONMCSHUFFLER_H
#define HEXAGONMCSHUFFLER_H
#include "MCTargetDesc/HexagonShuffler.h"
namespace llvm {
class MCInst;
// 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 &);
bool HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII,
MCSubtargetInfo const &STI, MCInst &, MCInst const &,
int);
bool HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII,
MCSubtargetInfo const &STI, MCInst &,
SmallVector<DuplexCandidate, 8>);
} // namespace llvm
#endif // HEXAGONMCSHUFFLER_H