1 //===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source 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 //===----------------------------------------------------------------------===//
25 class IntrinsicLowering;
26 class MachineCodeEmitter;
29 NoSSE, SSE, SSE2, SSE3
32 extern X86VectorEnum X86Vector;
33 extern bool X86ScalarSSE;
35 /// createX86SimpleInstructionSelector - This pass converts an LLVM function
36 /// into a machine code representation in a very simple peep-hole fashion. The
37 /// generated code sucks but the implementation is nice and simple.
39 FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM);
41 /// createX86PatternInstructionSelector - This pass converts an LLVM function
42 /// into a machine code representation in a more aggressive way.
44 FunctionPass *createX86PatternInstructionSelector(TargetMachine &TM);
46 /// createX86SSAPeepholeOptimizerPass - Create a pass to perform SSA-based X86
47 /// specific peephole optimizations.
49 FunctionPass *createX86SSAPeepholeOptimizerPass();
51 /// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
54 FunctionPass *createX86PeepholeOptimizerPass();
56 /// createX86FloatingPointStackifierPass - This function returns a pass which
57 /// converts floating point register references and pseudo instructions into
58 /// floating point stack references and physical instructions.
60 FunctionPass *createX86FloatingPointStackifierPass();
62 /// createX86CodePrinterPass - Returns a pass that prints the X86
63 /// assembly code for a MachineFunction to the given output stream,
64 /// using the given target machine description.
66 FunctionPass *createX86CodePrinterPass(std::ostream &o, TargetMachine &tm);
68 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
69 /// to the specified MCE object.
70 FunctionPass *createX86CodeEmitterPass(MachineCodeEmitter &MCE);
72 /// addX86ELFObjectWriterPass - Add passes to the FPM that output the generated
73 /// code as an ELF object file.
75 void addX86ELFObjectWriterPass(PassManager &FPM,
76 std::ostream &o, TargetMachine &tm);
78 /// createX86EmitCodeToMemory - Returns a pass that converts a register
79 /// allocated function into raw machine code in a dynamically
80 /// allocated chunk of memory.
82 FunctionPass *createEmitX86CodeToMemory();
84 } // End llvm namespace
86 // Defines symbolic names for X86 registers. This defines a mapping from
87 // register name to register number.
89 #include "X86GenRegisterNames.inc"
91 // Defines symbolic names for the X86 instructions.
93 #include "X86GenInstrNames.inc"