lib/Target/Hexagon/HexagonAsmPrinter.h

   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 "Hexagon.h"
  17 #include "HexagonSubtarget.h"
  18 #include "llvm/CodeGen/AsmPrinter.h"
  19 #include "llvm/CodeGen/MachineFunction.h"
  20 #include "llvm/MC/MCStreamer.h"
  21 #include <utility>
  22
  23 namespace llvm {
  24
  25 class MachineInstr;
  26 class MCInst;
  27 class raw_ostream;
  28 class TargetMachine;
  29
  30   class HexagonAsmPrinter : public AsmPrinter {
  31     const HexagonSubtarget *Subtarget = nullptr;
  32
  33   public:
  34     explicit HexagonAsmPrinter(TargetMachine &TM,
  35                                std::unique_ptr<MCStreamer> Streamer)
  36       : AsmPrinter(TM, std::move(Streamer)) {}
  37
  38     bool runOnMachineFunction(MachineFunction &Fn) override {
  39       Subtarget = &Fn.getSubtarget<HexagonSubtarget>();
  40       return AsmPrinter::runOnMachineFunction(Fn);
  41     }
  42
  43     StringRef getPassName() const override {
  44       return "Hexagon Assembly Printer";
  45     }
  46
  47     bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB)
  48           const override;
  49
  50     void EmitInstruction(const MachineInstr *MI) override;
  51     void HexagonProcessInstruction(MCInst &Inst, const MachineInstr &MBB);
  52
  53     void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
  54     bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
  55                          unsigned AsmVariant, const char *ExtraCode,
  56                          raw_ostream &OS) override;
  57     bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
  58                                unsigned AsmVariant, const char *ExtraCode,
  59                                raw_ostream &OS) override;
  60   };
  61
  62 } // end namespace llvm
  63
  64 #endif // LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H