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 CSKYSubtarget *Subtarget;
22 
23   bool InConstantPool = false;
24 
25   /// Keep a pointer to constantpool entries of the current
26   /// MachineFunction.
27   MachineConstantPool *MCP;
28 
29   void emitCustomConstantPool(const MachineInstr *MI);
30 
31 public:
32   explicit CSKYAsmPrinter(TargetMachine &TM,
33                           std::unique_ptr<MCStreamer> Streamer);
34 
35   StringRef getPassName() const override { return "CSKY Assembly Printer"; }
36 
37   void EmitToStreamer(MCStreamer &S, const MCInst &Inst);
38 
39   /// tblgen'erated driver function for lowering simple MI->MC
40   /// pseudo instructions.
41   bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
42                                    const MachineInstr *MI);
43 
44   void emitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
45 
46   void emitFunctionBodyEnd() override;
47 
48   void emitInstruction(const MachineInstr *MI) override;
49 
50   bool runOnMachineFunction(MachineFunction &MF) override;
51 
52   // we emit constant pools customly!
53   void emitConstantPool() override{};
54 };
55 } // end namespace llvm
56 
57 #endif // LLVM_LIB_TARGET_CSKY_CSKYASMPRINTER_H
58