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 "HexagonSubtarget.h"
  17 #include "llvm/CodeGen/AsmPrinter.h"
  18 #include "llvm/CodeGen/MachineFunction.h"
  19 #include "llvm/MC/MCStreamer.h"
  20 #include <utility>
  21
  22 namespace llvm {
  23
  24 class MachineInstr;
  25 class MCInst;
  26 class raw_ostream;
  27 class 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