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 emitPseudoExpansionLowering(MCStreamer &OutStreamer,
45                                    const MachineInstr *MI);
46 
47   void emitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
48 
49   void emitFunctionBodyEnd() override;
50 
51   void emitStartOfAsmFile(Module &M) override;
52 
53   void emitEndOfAsmFile(Module &M) override;
54 
55   void emitInstruction(const MachineInstr *MI) override;
56 
57   bool runOnMachineFunction(MachineFunction &MF) override;
58 
59   // we emit constant pools customly!
60   void emitConstantPool() override{};
61 
62   bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
63                        const char *ExtraCode, raw_ostream &OS) override;
64 
65   bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
66                              const char *ExtraCode, raw_ostream &OS) override;
67 };
68 } // end namespace llvm
69 
70 #endif // LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H
71