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;
28 /// createX86ISelDag - This pass converts a legalized DAG into a
29 /// X86-specific DAG, ready for instruction scheduling.
31 FunctionPass *createX86ISelDag(X86TargetMachine &TM, CodeGenOpt::Level OptLevel);
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 /// createX87FPRegKillInserterPass - This function returns a pass which
40 /// inserts FP_REG_KILL instructions where needed.
42 FunctionPass *createX87FPRegKillInserterPass();
44 /// createX86CodePrinterPass - Returns a pass that prints the X86
45 /// assembly code for a MachineFunction to the given output stream,
46 /// using the given target machine description.
48 FunctionPass *createX86CodePrinterPass(raw_ostream &o,
50 CodeGenOpt::Level OptLevel,
53 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
54 /// to the specified MCE object.
56 FunctionPass *createX86CodeEmitterPass(
57 X86TargetMachine &TM, MachineCodeEmitter &MCE);
58 FunctionPass *createX86JITCodeEmitterPass(
59 X86TargetMachine &TM, JITCodeEmitter &JCE);
61 /// createX86EmitCodeToMemory - Returns a pass that converts a register
62 /// allocated function into raw machine code in a dynamically
63 /// allocated chunk of memory.
65 FunctionPass *createEmitX86CodeToMemory();
67 /// createX86MaxStackAlignmentCalculatorPass - This function returns a pass which
68 /// calculates maximal stack alignment required for function
70 FunctionPass *createX86MaxStackAlignmentCalculatorPass();
72 } // End llvm namespace
74 // Defines symbolic names for X86 registers. This defines a mapping from
75 // register name to register number.
77 #include "X86GenRegisterNames.inc"
79 // Defines symbolic names for the X86 instructions.
81 #include "X86GenInstrNames.inc"