X86.h revision 6c27f5e5743481c6a519c60135cf85ac238c150a 
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
20namespace llvm {
21
22class FunctionPass;
23class JITCodeEmitter;
24class MCCodeEmitter;
25class MCContext;
26class MachineCodeEmitter;
27class Target;
28class TargetAsmBackend;
29class X86TargetMachine;
30class formatted_raw_ostream;
31
32/// createX86ISelDag - This pass converts a legalized DAG into a
33/// X86-specific DAG, ready for instruction scheduling.
34///
35FunctionPass *createX86ISelDag(X86TargetMachine &TM,
36                               CodeGenOpt::Level OptLevel);
37
38/// createX86FloatingPointStackifierPass - This function returns a pass which
39/// converts floating point register references and pseudo instructions into
40/// floating point stack references and physical instructions.
41///
42FunctionPass *createX86FloatingPointStackifierPass();
43
44/// createX87FPRegKillInserterPass - This function returns a pass which
45/// inserts FP_REG_KILL instructions where needed.
46///
47FunctionPass *createX87FPRegKillInserterPass();
48
49/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
50/// to the specified MCE object.
51FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
52                                          JITCodeEmitter &JCE);
53
54MCCodeEmitter *createX86_32MCCodeEmitter(const Target &, TargetMachine &TM,
55                                         MCContext &Ctx);
56MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM,
57                                         MCContext &Ctx);
58
59TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &);
60TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &);
61
62/// createX86EmitCodeToMemory - Returns a pass that converts a register
63/// allocated function into raw machine code in a dynamically
64/// allocated chunk of memory.
65///
66FunctionPass *createEmitX86CodeToMemory();
67
68extern Target TheX86_32Target, TheX86_64Target;
69
70} // End llvm namespace
71
72// Defines symbolic names for X86 registers.  This defines a mapping from
73// register name to register number.
74//
75#include "X86GenRegisterNames.inc"
76
77// Defines symbolic names for the X86 instructions.
78//
79#include "X86GenInstrNames.inc"
80
81#endif
82