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 "HexagonSubtarget.h" 19 #include "llvm/CodeGen/AsmPrinter.h" 20 #include "llvm/CodeGen/MachineFunction.h" 21 #include "llvm/MC/MCStreamer.h" 22 #include <utility> 23 24 namespace llvm { 25 26 class MachineInstr; 27 class MCInst; 28 class raw_ostream; 29 class TargetMachine; 30 31 class HexagonAsmPrinter : public AsmPrinter { 32 const HexagonSubtarget *Subtarget = nullptr; 33 34 public: HexagonAsmPrinter(TargetMachine & TM,std::unique_ptr<MCStreamer> Streamer)35 explicit HexagonAsmPrinter(TargetMachine &TM, 36 std::unique_ptr<MCStreamer> Streamer) 37 : AsmPrinter(TM, std::move(Streamer)) {} 38 runOnMachineFunction(MachineFunction & Fn)39 bool runOnMachineFunction(MachineFunction &Fn) override { 40 Subtarget = &Fn.getSubtarget<HexagonSubtarget>(); 41 return AsmPrinter::runOnMachineFunction(Fn); 42 } 43 getPassName()44 StringRef getPassName() const override { 45 return "Hexagon Assembly Printer"; 46 } 47 48 bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) 49 const override; 50 51 void EmitInstruction(const MachineInstr *MI) override; 52 void HexagonProcessInstruction(MCInst &Inst, const MachineInstr &MBB); 53 54 void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O); 55 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 56 unsigned AsmVariant, const char *ExtraCode, 57 raw_ostream &OS) override; 58 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, 59 unsigned AsmVariant, const char *ExtraCode, 60 raw_ostream &OS) override; 61 }; 62 63 } // end namespace llvm 64 65 #endif // LLVM_LIB_TARGET_HEXAGON_HEXAGONASMPRINTER_H 66