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;
27 /// createX86ISelDag - This pass converts a legalized DAG into a
28 /// X86-specific DAG, ready for instruction scheduling.
30 FunctionPass *createX86ISelDag(X86TargetMachine &TM, CodeGenOpt::Level OptLevel);
32 /// createX86FloatingPointStackifierPass - This function returns a pass which
33 /// converts floating point register references and pseudo instructions into
34 /// floating point stack references and physical instructions.
36 FunctionPass *createX86FloatingPointStackifierPass();
38 /// createX87FPRegKillInserterPass - This function returns a pass which
39 /// inserts FP_REG_KILL instructions where needed.
41 FunctionPass *createX87FPRegKillInserterPass();
43 /// createX86CodePrinterPass - Returns a pass that prints the X86
44 /// assembly code for a MachineFunction to the given output stream,
45 /// using the given target machine description.
47 FunctionPass *createX86CodePrinterPass(raw_ostream &o,
49 CodeGenOpt::Level OptLevel,
52 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
53 /// to the specified MCE object.
54 FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
55 MachineCodeEmitter &MCE);
57 /// createX86EmitCodeToMemory - Returns a pass that converts a register
58 /// allocated function into raw machine code in a dynamically
59 /// allocated chunk of memory.
61 FunctionPass *createEmitX86CodeToMemory();
63 /// createX86MaxStackAlignmentCalculatorPass - This function returns a pass which
64 /// calculates maximal stack alignment required for function
66 FunctionPass *createX86MaxStackAlignmentCalculatorPass();
68 } // End llvm namespace
70 // Defines symbolic names for X86 registers. This defines a mapping from
71 // register name to register number.
73 #include "X86GenRegisterNames.inc"
75 // Defines symbolic names for the X86 instructions.
77 #include "X86GenInstrNames.inc"