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 X86TargetMachine;
  23 class FunctionPass;
  24 class MachineCodeEmitter;
  25 class MCCodeEmitter;
  26 class JITCodeEmitter;
  27 class Target;
  28 class formatted_raw_ostream;
  29
  30 /// createX86ISelDag - This pass converts a legalized DAG into a
  31 /// X86-specific DAG, ready for instruction scheduling.
  32 ///
  33 FunctionPass *createX86ISelDag(X86TargetMachine &TM,
  34                                CodeGenOpt::Level OptLevel);
  35
  36 /// createX86FloatingPointStackifierPass - This function returns a pass which
  37 /// converts floating point register references and pseudo instructions into
  38 /// floating point stack references and physical instructions.
  39 ///
  40 FunctionPass *createX86FloatingPointStackifierPass();
  41
  42 /// createX87FPRegKillInserterPass - This function returns a pass which
  43 /// inserts FP_REG_KILL instructions where needed.
  44 ///
  45 FunctionPass *createX87FPRegKillInserterPass();
  46
  47 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
  48 /// to the specified MCE object.
  49
  50 FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
  51                                        MachineCodeEmitter &MCE);
  52 FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
  53                                           JITCodeEmitter &JCE);
  54 FunctionPass *createX86ObjectCodeEmitterPass(X86TargetMachine &TM,
  55                                              ObjectCodeEmitter &OCE);
  56
  57 MCCodeEmitter *createX86MCCodeEmitter(const Target &, TargetMachine &TM);
  58
  59 /// createX86EmitCodeToMemory - Returns a pass that converts a register
  60 /// allocated function into raw machine code in a dynamically
  61 /// allocated chunk of memory.
  62 ///
  63 FunctionPass *createEmitX86CodeToMemory();
  64
  65 /// createX86MaxStackAlignmentCalculatorPass - This function returns a pass
  66 /// which calculates maximal stack alignment required for function
  67 ///
  68 FunctionPass *createX86MaxStackAlignmentCalculatorPass();
  69
  70 extern Target TheX86_32Target, TheX86_64Target;
  71
  72 } // End llvm namespace
  73
  74 // Defines symbolic names for X86 registers.  This defines a mapping from
  75 // register name to register number.
  76 //
  77 #include "X86GenRegisterNames.inc"
  78
  79 // Defines symbolic names for the X86 instructions.
  80 //
  81 #include "X86GenInstrNames.inc"
  82
  83 #endif