1 //===- LoongArchAsmPrinter.h - LoongArch LLVM Assembly Printer -*- 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 // LoongArch Assembly printer class.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHASMPRINTER_H
14 #define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHASMPRINTER_H
15 
16 #include "LoongArchSubtarget.h"
17 #include "llvm/CodeGen/AsmPrinter.h"
18 #include "llvm/MC/MCStreamer.h"
19 #include "llvm/Support/Compiler.h"
20 
21 namespace llvm {
22 
23 class LLVM_LIBRARY_VISIBILITY LoongArchAsmPrinter : public AsmPrinter {
24   const MCSubtargetInfo *STI;
25 
26 public:
27   explicit LoongArchAsmPrinter(TargetMachine &TM,
28                                std::unique_ptr<MCStreamer> Streamer)
29       : AsmPrinter(TM, std::move(Streamer)), STI(TM.getMCSubtargetInfo()) {}
30 
31   StringRef getPassName() const override {
32     return "LoongArch Assembly Printer";
33   }
34 
35   bool runOnMachineFunction(MachineFunction &MF) override;
36 
37   void emitInstruction(const MachineInstr *MI) override;
38 
39   bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
40                        const char *ExtraCode, raw_ostream &OS) override;
41   bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
42                              const char *ExtraCode, raw_ostream &OS) override;
43 
44   void LowerPATCHABLE_FUNCTION_ENTER(const MachineInstr &MI);
45   void LowerPATCHABLE_FUNCTION_EXIT(const MachineInstr &MI);
46   void LowerPATCHABLE_TAIL_CALL(const MachineInstr &MI);
47   void emitSled(const MachineInstr &MI, SledKind Kind);
48 
49   // tblgen'erated function.
50   bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
51                                    const MachineInstr *MI);
52   // Wrapper needed for tblgenned pseudo lowering.
53   bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const {
54     return lowerLoongArchMachineOperandToMCOperand(MO, MCOp, *this);
55   }
56 };
57 
58 } // end namespace llvm
59 
60 #endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHASMPRINTER_H
61