1 //===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the entry points for global functions defined in the x86
11 // target library, as used by the LLVM JIT.
13 //===----------------------------------------------------------------------===//
18 #include "llvm/Target/TargetMachine.h"
22 class X86TargetMachine;
24 class MachineCodeEmitter;
29 class formatted_raw_ostream;
31 /// createX86ISelDag - This pass converts a legalized DAG into a
32 /// X86-specific DAG, ready for instruction scheduling.
34 FunctionPass *createX86ISelDag(X86TargetMachine &TM,
35 CodeGenOpt::Level OptLevel);
37 /// createX86FloatingPointStackifierPass - This function returns a pass which
38 /// converts floating point register references and pseudo instructions into
39 /// floating point stack references and physical instructions.
41 FunctionPass *createX86FloatingPointStackifierPass();
43 /// createX87FPRegKillInserterPass - This function returns a pass which
44 /// inserts FP_REG_KILL instructions where needed.
46 FunctionPass *createX87FPRegKillInserterPass();
48 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
49 /// to the specified MCE object.
50 FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
53 MCCodeEmitter *createX86_32MCCodeEmitter(const Target &, TargetMachine &TM,
55 MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM,
58 /// createX86EmitCodeToMemory - Returns a pass that converts a register
59 /// allocated function into raw machine code in a dynamically
60 /// allocated chunk of memory.
62 FunctionPass *createEmitX86CodeToMemory();
64 extern Target TheX86_32Target, TheX86_64Target;
66 } // End llvm namespace
68 // Defines symbolic names for X86 registers. This defines a mapping from
69 // register name to register number.
71 #include "X86GenRegisterNames.inc"
73 // Defines symbolic names for the X86 instructions.
75 #include "X86GenInstrNames.inc"