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,
32 CodeGenOpt::Level OptLevel);
34 /// createX86FloatingPointStackifierPass - This function returns a pass which
35 /// converts floating point register references and pseudo instructions into
36 /// floating point stack references and physical instructions.
38 FunctionPass *createX86FloatingPointStackifierPass();
40 /// createX87FPRegKillInserterPass - This function returns a pass which
41 /// inserts FP_REG_KILL instructions where needed.
43 FunctionPass *createX87FPRegKillInserterPass();
45 /// createX86CodePrinterPass - Returns a pass that prints the X86
46 /// assembly code for a MachineFunction to the given output stream,
47 /// using the given target machine description.
49 FunctionPass *createX86CodePrinterPass(raw_ostream &o, X86TargetMachine &tm,
52 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
53 /// to the specified MCE object.
55 FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
56 MachineCodeEmitter &MCE);
57 FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
60 /// createX86EmitCodeToMemory - Returns a pass that converts a register
61 /// allocated function into raw machine code in a dynamically
62 /// allocated chunk of memory.
64 FunctionPass *createEmitX86CodeToMemory();
66 /// createX86MaxStackAlignmentCalculatorPass - This function returns a pass
67 /// which calculates maximal stack alignment required for function
69 FunctionPass *createX86MaxStackAlignmentCalculatorPass();
71 } // End llvm namespace
73 // Defines symbolic names for X86 registers. This defines a mapping from
74 // register name to register number.
76 #include "X86GenRegisterNames.inc"
78 // Defines symbolic names for the X86 instructions.
80 #include "X86GenInstrNames.inc"