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 class formatted_raw_ostream;
30 /// createX86ISelDag - This pass converts a legalized DAG into a
31 /// X86-specific DAG, ready for instruction scheduling.
33 FunctionPass *createX86ISelDag(X86TargetMachine &TM,
34 CodeGenOpt::Level OptLevel);
36 /// createX86FloatingPointStackifierPass - This function returns a pass which
37 /// converts floating point register references and pseudo instructions into
38 /// floating point stack references and physical instructions.
40 FunctionPass *createX86FloatingPointStackifierPass();
42 /// createX87FPRegKillInserterPass - This function returns a pass which
43 /// inserts FP_REG_KILL instructions where needed.
45 FunctionPass *createX87FPRegKillInserterPass();
47 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
48 /// to the specified MCE object.
50 FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
51 MachineCodeEmitter &MCE);
52 FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
54 FunctionPass *createX86ObjectCodeEmitterPass(X86TargetMachine &TM,
55 ObjectCodeEmitter &OCE);
57 MCCodeEmitter *createX86MCCodeEmitter(const Target &, TargetMachine &TM);
59 /// createX86EmitCodeToMemory - Returns a pass that converts a register
60 /// allocated function into raw machine code in a dynamically
61 /// allocated chunk of memory.
63 FunctionPass *createEmitX86CodeToMemory();
65 /// createX86MaxStackAlignmentCalculatorPass - This function returns a pass
66 /// which calculates maximal stack alignment required for function
68 FunctionPass *createX86MaxStackAlignmentCalculatorPass();
70 extern Target TheX86_32Target, TheX86_64Target;
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"