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"
26 class MachineCodeEmitter;
28 class TargetAsmBackend;
29 class X86TargetMachine;
30 class formatted_raw_ostream;
32 /// createX86ISelDag - This pass converts a legalized DAG into a
33 /// X86-specific DAG, ready for instruction scheduling.
35 FunctionPass *createX86ISelDag(X86TargetMachine &TM,
36 CodeGenOpt::Level OptLevel);
38 /// createX86FloatingPointStackifierPass - This function returns a pass which
39 /// converts floating point register references and pseudo instructions into
40 /// floating point stack references and physical instructions.
42 FunctionPass *createX86FloatingPointStackifierPass();
44 /// createSSEDomainFixPass - This pass twiddles SSE opcodes to prevent domain
46 FunctionPass *createSSEDomainFixPass();
48 /// createX87FPRegKillInserterPass - This function returns a pass which
49 /// inserts FP_REG_KILL instructions where needed.
51 FunctionPass *createX87FPRegKillInserterPass();
53 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
54 /// to the specified MCE object.
55 FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
58 MCCodeEmitter *createX86_32MCCodeEmitter(const Target &, TargetMachine &TM,
60 MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM,
63 TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &);
64 TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &);
66 /// createX86EmitCodeToMemory - Returns a pass that converts a register
67 /// allocated function into raw machine code in a dynamically
68 /// allocated chunk of memory.
70 FunctionPass *createEmitX86CodeToMemory();
72 /// createX86MaxStackAlignmentHeuristicPass - This function returns a pass
73 /// which determines whether the frame pointer register should be
74 /// reserved in case dynamic stack alignment is later required.
76 FunctionPass *createX86MaxStackAlignmentHeuristicPass();
78 extern Target TheX86_32Target, TheX86_64Target;
80 } // End llvm namespace
82 // Defines symbolic names for X86 registers. This defines a mapping from
83 // register name to register number.
85 #include "X86GenRegisterNames.inc"
87 // Defines symbolic names for the X86 instructions.
89 #include "X86GenInstrNames.inc"