llvm/lib/Target/CSKY/CSKYAsmPrinter.h

   1 //===-- CSKYAsmPrinter.h - CSKY implementation of AsmPrinter ----*- C++ -*-===//
   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 #ifndef LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H
  10 #define LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H
  11
  12 #include "CSKYMCInstLower.h"
  13 #include "CSKYSubtarget.h"
  14 #include "llvm/CodeGen/AsmPrinter.h"
  15 #include "llvm/MC/MCDirectives.h"
  16
  17 namespace llvm {
  18 class LLVM_LIBRARY_VISIBILITY CSKYAsmPrinter : public AsmPrinter {
  19   CSKYMCInstLower MCInstLowering;
  20
  21   const MCSubtargetInfo *Subtarget;
  22   const TargetInstrInfo *TII;
  23
  24   bool InConstantPool = false;
  25
  26   /// Keep a pointer to constantpool entries of the current
  27   /// MachineFunction.
  28   MachineConstantPool *MCP;
  29
  30   void expandTLSLA(const MachineInstr *MI);
  31   void emitCustomConstantPool(const MachineInstr *MI);
  32   void emitAttributes();
  33
  34 public:
  35   explicit CSKYAsmPrinter(TargetMachine &TM,
  36                           std::unique_ptr<MCStreamer> Streamer);
  37
  38   StringRef getPassName() const override { return "CSKY Assembly Printer"; }
  39
  40   void EmitToStreamer(MCStreamer &S, const MCInst &Inst);
  41
  42   /// tblgen'erated driver function for lowering simple MI->MC
  43   /// pseudo instructions.
  44   bool lowerPseudoInstExpansion(const MachineInstr *MI, MCInst &Inst);
  45
  46   void emitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
  47
  48   void emitFunctionBodyEnd() override;
  49
  50   void emitStartOfAsmFile(Module &M) override;
  51
  52   void emitEndOfAsmFile(Module &M) override;
  53
  54   void emitInstruction(const MachineInstr *MI) override;
  55
  56   bool runOnMachineFunction(MachineFunction &MF) override;
  57
  58   // we emit constant pools customly!
  59   void emitConstantPool() override {}
  60
  61   bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
  62                        const char *ExtraCode, raw_ostream &OS) override;
  63
  64   bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
  65                              const char *ExtraCode, raw_ostream &OS) override;
  66 };
  67 } // end namespace llvm
  68
  69 #endif // LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H