1//===- HexagonAsmPrinter.h - Print machine code to an Hexagon .s file -----===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Hexagon Assembly printer class.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
14#define LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
15
16#include "HexagonSubtarget.h"
17#include "llvm/CodeGen/AsmPrinter.h"
18#include "llvm/CodeGen/MachineFunction.h"
19#include "llvm/MC/MCStreamer.h"
20#include <utility>
21
22namespace llvm {
23
24class MachineInstr;
25class MCInst;
26class raw_ostream;
27class TargetMachine;
28
29  class HexagonAsmPrinter : public AsmPrinter {
30    const HexagonSubtarget *Subtarget = nullptr;
31
32  public:
33    explicit HexagonAsmPrinter(TargetMachine &TM,
34                               std::unique_ptr<MCStreamer> Streamer)
35      : AsmPrinter(TM, std::move(Streamer)) {}
36
37    bool runOnMachineFunction(MachineFunction &Fn) override {
38      Subtarget = &Fn.getSubtarget<HexagonSubtarget>();
39      return AsmPrinter::runOnMachineFunction(Fn);
40    }
41
42    StringRef getPassName() const override {
43      return "Hexagon Assembly Printer";
44    }
45
46    bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB)
47          const override;
48
49    void emitInstruction(const MachineInstr *MI) override;
50    void HexagonProcessInstruction(MCInst &Inst, const MachineInstr &MBB);
51
52    void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
53    bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
54                         const char *ExtraCode, raw_ostream &OS) override;
55    bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
56                               const char *ExtraCode, raw_ostream &OS) override;
57  };
58
59} // end namespace llvm
60
61#endif // LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
62