lib/Target/X86/X86TargetAsmInfo.h

   1 //=====-- X86TargetAsmInfo.h - X86 asm properties -------------*- 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 // This file contains the declaration of the X86TargetAsmInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef X86TARGETASMINFO_H
  15 #define X86TARGETASMINFO_H
  16
  17 #include "X86TargetMachine.h"
  18 #include "llvm/Target/TargetAsmInfo.h"
  19 #include "llvm/Target/ELFTargetAsmInfo.h"
  20 #include "llvm/Target/DarwinTargetAsmInfo.h"
  21 #include "llvm/Support/Compiler.h"
  22
  23 namespace llvm {
  24
  25   extern const char *const x86_asm_table[];
  26
  27   template <class BaseTAI>
  28   struct X86TargetAsmInfo : public BaseTAI {
  29     explicit X86TargetAsmInfo(const X86TargetMachine &TM):
  30       BaseTAI(TM) {
  31       const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
  32
  33       BaseTAI::AsmTransCBE = x86_asm_table;
  34       BaseTAI::AssemblerDialect = Subtarget->getAsmFlavor();
  35     }
  36
  37     virtual bool ExpandInlineAsm(CallInst *CI) const;
  38
  39   private:
  40     bool LowerToBSwap(CallInst *CI) const;
  41   };
  42
  43   typedef X86TargetAsmInfo<TargetAsmInfo> X86GenericTargetAsmInfo;
  44
  45   EXTERN_TEMPLATE_INSTANTIATION(class X86TargetAsmInfo<TargetAsmInfo>);
  46
  47   struct X86DarwinTargetAsmInfo : public X86TargetAsmInfo<DarwinTargetAsmInfo> {
  48     explicit X86DarwinTargetAsmInfo(const X86TargetMachine &TM);
  49     virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
  50                                            bool Global) const;
  51     virtual const char *getEHGlobalPrefix() const;
  52   };
  53
  54   struct X86ELFTargetAsmInfo : public X86TargetAsmInfo<ELFTargetAsmInfo> {
  55     explicit X86ELFTargetAsmInfo(const X86TargetMachine &TM);
  56     virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
  57                                            bool Global) const;
  58   };
  59
  60   struct X86COFFTargetAsmInfo : public X86GenericTargetAsmInfo {
  61     explicit X86COFFTargetAsmInfo(const X86TargetMachine &TM);
  62     virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
  63                                            bool Global) const;
  64     virtual std::string UniqueSectionForGlobal(const GlobalValue* GV,
  65                                                SectionKind::Kind kind) const;
  66     virtual std::string printSectionFlags(unsigned flags) const;
  67   };
  68
  69   struct X86WinTargetAsmInfo : public X86GenericTargetAsmInfo {
  70     explicit X86WinTargetAsmInfo(const X86TargetMachine &TM);
  71   };
  72
  73 } // namespace llvm
  74
  75 #endif