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