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      1 //===-- X86AsmPrinter.h - Convert X86 LLVM code to assembly -----*- C++ -*-===//
      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 // AT&T assembly code printer class.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef X86ASMPRINTER_H
     15 #define X86ASMPRINTER_H
     16 
     17 #include "X86.h"
     18 #include "X86MachineFunctionInfo.h"
     19 #include "X86TargetMachine.h"
     20 #include "llvm/ADT/StringSet.h"
     21 #include "llvm/CodeGen/AsmPrinter.h"
     22 #include "llvm/CodeGen/MachineModuleInfo.h"
     23 #include "llvm/CodeGen/ValueTypes.h"
     24 #include "llvm/Support/Compiler.h"
     25 
     26 namespace llvm {
     27 
     28 class MachineJumpTableInfo;
     29 class MCContext;
     30 class MCInst;
     31 class MCStreamer;
     32 class MCSymbol;
     33 
     34 class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
     35   const X86Subtarget *Subtarget;
     36  public:
     37   explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
     38     : AsmPrinter(TM, Streamer) {
     39     Subtarget = &TM.getSubtarget<X86Subtarget>();
     40   }
     41 
     42   virtual const char *getPassName() const {
     43     return "X86 AT&T-Style Assembly Printer";
     44   }
     45 
     46   const X86Subtarget &getSubtarget() const { return *Subtarget; }
     47 
     48   virtual void EmitStartOfAsmFile(Module &M);
     49 
     50   virtual void EmitEndOfAsmFile(Module &M);
     51 
     52   virtual void EmitInstruction(const MachineInstr *MI);
     53 
     54   void printSymbolOperand(const MachineOperand &MO, raw_ostream &O);
     55 
     56   // These methods are used by the tablegen'erated instruction printer.
     57   void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O,
     58                     const char *Modifier = 0);
     59   void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
     60 
     61   bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);
     62   bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
     63                        unsigned AsmVariant, const char *ExtraCode,
     64                        raw_ostream &OS);
     65   bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
     66                              unsigned AsmVariant, const char *ExtraCode,
     67                              raw_ostream &OS);
     68 
     69   void printMachineInstruction(const MachineInstr *MI);
     70   void printSSECC(const MachineInstr *MI, unsigned Op, raw_ostream &O);
     71   void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
     72                          const char *Modifier=NULL);
     73   void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
     74                             const char *Modifier=NULL);
     75 
     76   void printPICLabel(const MachineInstr *MI, unsigned Op, raw_ostream &O);
     77 
     78   bool runOnMachineFunction(MachineFunction &F);
     79 
     80   void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
     81 
     82   MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
     83 };
     84 
     85 } // end namespace llvm
     86 
     87 #endif
     88