lib/Target/X86/X86.h

   1 //===-- X86.h - Top-level interface for X86 representation ------*- 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 entry points for global functions defined in the x86
  11 // target library, as used by the LLVM JIT.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef TARGET_X86_H
  16 #define TARGET_X86_H
  17
  18 #include "llvm/Target/TargetMachine.h"
  19
  20 namespace llvm {
  21
  22 class FunctionPass;
  23 class JITCodeEmitter;
  24 class MCCodeEmitter;
  25 class MCContext;
  26 class MachineCodeEmitter;
  27 class Target;
  28 class TargetAsmBackend;
  29 class X86TargetMachine;
  30 class formatted_raw_ostream;
  31
  32 /// createX86ISelDag - This pass converts a legalized DAG into a
  33 /// X86-specific DAG, ready for instruction scheduling.
  34 ///
  35 FunctionPass *createX86ISelDag(X86TargetMachine &TM,
  36                                CodeGenOpt::Level OptLevel);
  37
  38 /// createGlobalBaseRegPass - This pass initializes a global base
  39 /// register for PIC on x86-32.
  40 FunctionPass* createGlobalBaseRegPass();
  41
  42 /// createX86FloatingPointStackifierPass - This function returns a pass which
  43 /// converts floating point register references and pseudo instructions into
  44 /// floating point stack references and physical instructions.
  45 ///
  46 FunctionPass *createX86FloatingPointStackifierPass();
  47
  48 /// createSSEDomainFixPass - This pass twiddles SSE opcodes to prevent domain
  49 /// crossings.
  50 FunctionPass *createSSEDomainFixPass();
  51
  52 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
  53 /// to the specified MCE object.
  54 FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
  55                                           JITCodeEmitter &JCE);
  56
  57 MCCodeEmitter *createX86_32MCCodeEmitter(const Target &, TargetMachine &TM,
  58                                          MCContext &Ctx);
  59 MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM,
  60                                          MCContext &Ctx);
  61
  62 TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &);
  63 TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &);
  64
  65 /// createX86EmitCodeToMemory - Returns a pass that converts a register
  66 /// allocated function into raw machine code in a dynamically
  67 /// allocated chunk of memory.
  68 ///
  69 FunctionPass *createEmitX86CodeToMemory();
  70
  71 /// createX86MaxStackAlignmentHeuristicPass - This function returns a pass
  72 /// which determines whether the frame pointer register should be
  73 /// reserved in case dynamic stack alignment is later required.
  74 ///
  75 FunctionPass *createX86MaxStackAlignmentHeuristicPass();
  76
  77 extern Target TheX86_32Target, TheX86_64Target;
  78
  79 } // End llvm namespace
  80
  81 // Defines symbolic names for X86 registers.  This defines a mapping from
  82 // register name to register number.
  83 //
  84 #include "X86GenRegisterNames.inc"
  85
  86 // Defines symbolic names for the X86 instructions.
  87 //
  88 #include "X86GenInstrNames.inc"
  89
  90 #endif