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"
27 class MachineCodeEmitter;
29 class TargetAsmBackend;
30 class X86TargetMachine;
31 class formatted_raw_ostream;
34 /// createX86ISelDag - This pass converts a legalized DAG into a
35 /// X86-specific DAG, ready for instruction scheduling.
37 FunctionPass *createX86ISelDag(X86TargetMachine &TM,
38 CodeGenOpt::Level OptLevel);
40 /// createGlobalBaseRegPass - This pass initializes a global base
41 /// register for PIC on x86-32.
42 FunctionPass* createGlobalBaseRegPass();
44 /// createX86FloatingPointStackifierPass - This function returns a pass which
45 /// converts floating point register references and pseudo instructions into
46 /// floating point stack references and physical instructions.
48 FunctionPass *createX86FloatingPointStackifierPass();
50 /// createSSEDomainFixPass - This pass twiddles SSE opcodes to prevent domain
52 FunctionPass *createSSEDomainFixPass();
54 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
55 /// to the specified MCE object.
56 FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
59 MCCodeEmitter *createX86_32MCCodeEmitter(const Target &, TargetMachine &TM,
61 MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM,
64 TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &);
65 TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &);
67 /// createX86EmitCodeToMemory - Returns a pass that converts a register
68 /// allocated function into raw machine code in a dynamically
69 /// allocated chunk of memory.
71 FunctionPass *createEmitX86CodeToMemory();
73 /// createX86MaxStackAlignmentHeuristicPass - This function returns a pass
74 /// which determines whether the frame pointer register should be
75 /// reserved in case dynamic stack alignment is later required.
77 FunctionPass *createX86MaxStackAlignmentHeuristicPass();
80 /// createX86MachObjectWriter - Construct an X86 Mach-O object writer.
81 MCObjectWriter *createX86MachObjectWriter(raw_ostream &OS,
86 extern Target TheX86_32Target, TheX86_64Target;
88 } // End llvm namespace
90 // Defines symbolic names for X86 registers. This defines a mapping from
91 // register name to register number.
93 #include "X86GenRegisterNames.inc"
95 // Defines symbolic names for the X86 instructions.
97 #include "X86GenInstrNames.inc"