CSKYAsmPrinter.h

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//===-- CSKYAsmPrinter.h - CSKY implementation of AsmPrinter ----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H
#define LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H
 
#include "CSKYMCInstLower.h"
#include "CSKYSubtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/MC/MCDirectives.h"
 
namespace llvm {
class LLVM_LIBRARY_VISIBILITY CSKYAsmPrinter : public AsmPrinter {
  CSKYMCInstLower MCInstLowering;
 
  const MCSubtargetInfo *Subtarget;
  const TargetInstrInfo *TII;
 
  bool InConstantPool = false;
 
  /// Keep a pointer to constantpool entries of the current
  /// MachineFunction.
  MachineConstantPool *MCP;
 
  void expandTLSLA(const MachineInstr *MI);
  void emitCustomConstantPool(const MachineInstr *MI);
  void emitAttributes();
 
public:
  explicit CSKYAsmPrinter(TargetMachine &TM,
                          std::unique_ptr<MCStreamer> Streamer);
 
  StringRef getPassName() const override { return "CSKY Assembly Printer"; }
 
  void EmitToStreamer(MCStreamer &S, const MCInst &Inst);
 
  /// tblgen'erated driver function for lowering simple MI->MC
  /// pseudo instructions.
  bool lowerPseudoInstExpansion(const MachineInstr *MI, MCInst &Inst);
 
  void emitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
 
  void emitFunctionBodyEnd() override;
 
  void emitStartOfAsmFile(Module &M) override;
 
  void emitEndOfAsmFile(Module &M) override;
 
  void emitInstruction(const MachineInstr *MI) override;
 
  bool runOnMachineFunction(MachineFunction &MF) override;
 
  // we emit constant pools customly!
  void emitConstantPool() override {}
 
  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
                       const char *ExtraCode, raw_ostream &OS) override;
 
  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
                             const char *ExtraCode, raw_ostream &OS) override;
};
} // end namespace llvm
 
#endif // LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H