1 //===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source 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 //===----------------------------------------------------------------------===//
22 class X86TargetMachine;
23 class FunctionPassManager;
25 class IntrinsicLowering;
26 class MachineCodeEmitter;
28 /// createX86ISelDag - This pass converts a legalized DAG into a
29 /// X86-specific DAG, ready for instruction scheduling.
31 FunctionPass *createX86ISelDag(X86TargetMachine &TM, bool Fast);
33 /// createX86FloatingPointStackifierPass - This function returns a pass which
34 /// converts floating point register references and pseudo instructions into
35 /// floating point stack references and physical instructions.
37 FunctionPass *createX86FloatingPointStackifierPass();
39 /// createX86CodePrinterPass - Returns a pass that prints the X86
40 /// assembly code for a MachineFunction to the given output stream,
41 /// using the given target machine description.
43 FunctionPass *createX86CodePrinterPass(std::ostream &o, X86TargetMachine &tm);
45 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
46 /// to the specified MCE object.
47 FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
48 MachineCodeEmitter &MCE);
50 /// addX86ELFObjectWriterPass - Add passes to the FPM that output the generated
51 /// code as an ELF object file.
53 void addX86ELFObjectWriterPass(FunctionPassManager &FPM,
54 std::ostream &o, X86TargetMachine &tm);
56 /// createX86EmitCodeToMemory - Returns a pass that converts a register
57 /// allocated function into raw machine code in a dynamically
58 /// allocated chunk of memory.
60 FunctionPass *createEmitX86CodeToMemory();
62 } // End llvm namespace
64 // Defines symbolic names for X86 registers. This defines a mapping from
65 // register name to register number.
67 #include "X86GenRegisterNames.inc"
69 // Defines symbolic names for the X86 instructions.
71 #include "X86GenInstrNames.inc"