1//===-- HexagonAsmPrinter.h - Print machine code to an Hexagon .s file ----===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// Hexagon Assembly printer class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
15#define LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
16
17#include "Hexagon.h"
18#include "HexagonTargetMachine.h"
19#include "llvm/CodeGen/AsmPrinter.h"
20#include "llvm/Support/Compiler.h"
21#include "llvm/Support/raw_ostream.h"
22
23namespace llvm {
24  class HexagonAsmPrinter : public AsmPrinter {
25    const HexagonSubtarget *Subtarget;
26
27  public:
28    explicit HexagonAsmPrinter(TargetMachine &TM,
29                               std::unique_ptr<MCStreamer> Streamer);
30
31    bool runOnMachineFunction(MachineFunction &Fn) override {
32      Subtarget = &Fn.getSubtarget<HexagonSubtarget>();
33      return AsmPrinter::runOnMachineFunction(Fn);
34    }
35
36    const char *getPassName() const override {
37      return "Hexagon Assembly Printer";
38    }
39
40    bool isBlockOnlyReachableByFallthrough(
41                                   const MachineBasicBlock *MBB) const override;
42
43    void EmitInstruction(const MachineInstr *MI) override;
44
45    void HexagonProcessInstruction(MCInst &Inst,
46                                   const MachineInstr &MBB);
47
48
49    void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
50    bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
51                         unsigned AsmVariant, const char *ExtraCode,
52                         raw_ostream &OS) override;
53    bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
54                               unsigned AsmVariant, const char *ExtraCode,
55                               raw_ostream &OS) override;
56
57    static const char *getRegisterName(unsigned RegNo);
58  };
59
60} // end of llvm namespace
61
62#endif
63