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 //===----------------------------------------------------------------------===//
20 class X86TargetMachine;
22 class MachineCodeEmitter;
25 /// createX86ISelDag - This pass converts a legalized DAG into a
26 /// X86-specific DAG, ready for instruction scheduling.
28 FunctionPass *createX86ISelDag(X86TargetMachine &TM, bool Fast);
30 /// createX86FloatingPointStackifierPass - This function returns a pass which
31 /// converts floating point register references and pseudo instructions into
32 /// floating point stack references and physical instructions.
34 FunctionPass *createX86FloatingPointStackifierPass();
36 /// createX87FPRegKillInserterPass - This function returns a pass which
37 /// inserts FP_REG_KILL instructions where needed.
39 FunctionPass *createX87FPRegKillInserterPass();
41 /// createX86CodePrinterPass - Returns a pass that prints the X86
42 /// assembly code for a MachineFunction to the given output stream,
43 /// using the given target machine description.
45 FunctionPass *createX86CodePrinterPass(raw_ostream &o, X86TargetMachine &tm);
47 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
48 /// to the specified MCE object.
49 FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
50 MachineCodeEmitter &MCE);
52 /// createX86EmitCodeToMemory - Returns a pass that converts a register
53 /// allocated function into raw machine code in a dynamically
54 /// allocated chunk of memory.
56 FunctionPass *createEmitX86CodeToMemory();
58 /// createX86MaxStackAlignmentCalculatorPass - This function returns a pass which
59 /// calculates maximal stack alignment required for function
61 FunctionPass *createX86MaxStackAlignmentCalculatorPass();
63 } // End llvm namespace
65 // Defines symbolic names for X86 registers. This defines a mapping from
66 // register name to register number.
68 #include "X86GenRegisterNames.inc"
70 // Defines symbolic names for the X86 instructions.
72 #include "X86GenInstrNames.inc"