1 //===-- HexagonAsmPrinter.h - Print machine code to an Hexagon .s file ----===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // Hexagon Assembly printer class.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
15 #define LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H
16 
17 #include "Hexagon.h"
18 #include "HexagonTargetMachine.h"
19 #include "llvm/CodeGen/AsmPrinter.h"
20 #include "llvm/Support/Compiler.h"
21 #include "llvm/Support/raw_ostream.h"
22 
23 namespace llvm {
24   class HexagonAsmPrinter : public AsmPrinter {
25     const HexagonSubtarget *Subtarget;
26 
27   public:
28     explicit HexagonAsmPrinter(TargetMachine &TM,
29                                std::unique_ptr<MCStreamer> Streamer);
30 
runOnMachineFunction(MachineFunction & Fn)31     bool runOnMachineFunction(MachineFunction &Fn) override {
32       Subtarget = &Fn.getSubtarget<HexagonSubtarget>();
33       return AsmPrinter::runOnMachineFunction(Fn);
34     }
35 
getPassName()36     const char *getPassName() const override {
37       return "Hexagon Assembly Printer";
38     }
39 
40     bool isBlockOnlyReachableByFallthrough(
41                                    const MachineBasicBlock *MBB) const override;
42 
43     void EmitInstruction(const MachineInstr *MI) override;
44 
45     void HexagonProcessInstruction(MCInst &Inst,
46                                    const MachineInstr &MBB);
47 
48 
49     void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
50     bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
51                          unsigned AsmVariant, const char *ExtraCode,
52                          raw_ostream &OS) override;
53     bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
54                                unsigned AsmVariant, const char *ExtraCode,
55                                raw_ostream &OS) override;
56 
57     static const char *getRegisterName(unsigned RegNo);
58   };
59 
60 } // end of llvm namespace
61 
62 #endif
63