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 //===----------------------------------------------------------------------===//
24 class IntrinsicLowering;
27 NoSSE, SSE, SSE2, SSE3
30 extern X86VectorEnum X86Vector;
31 extern bool X86ScalarSSE;
33 /// createX86SimpleInstructionSelector - This pass converts an LLVM function
34 /// into a machine code representation in a very simple peep-hole fashion. The
35 /// generated code sucks but the implementation is nice and simple.
37 FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM);
39 /// createX86PatternInstructionSelector - This pass converts an LLVM function
40 /// into a machine code representation in a more aggressive way.
42 FunctionPass *createX86PatternInstructionSelector(TargetMachine &TM);
44 /// createX86SSAPeepholeOptimizerPass - Create a pass to perform SSA-based X86
45 /// specific peephole optimizations.
47 FunctionPass *createX86SSAPeepholeOptimizerPass();
49 /// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
52 FunctionPass *createX86PeepholeOptimizerPass();
54 /// createX86FloatingPointStackifierPass - This function returns a pass which
55 /// converts floating point register references and pseudo instructions into
56 /// floating point stack references and physical instructions.
58 FunctionPass *createX86FloatingPointStackifierPass();
60 /// createX86CodePrinterPass - Returns a pass that prints the X86
61 /// assembly code for a MachineFunction to the given output stream,
62 /// using the given target machine description. This should work
63 /// regardless of whether the function is in SSA form.
65 FunctionPass *createX86CodePrinterPass(std::ostream &o,TargetMachine &tm);
67 /// createX86ELFObjectWriterPass - Returns a pass that outputs the generated
68 /// code as an ELF object file.
70 FunctionPass *createX86ELFObjectWriterPass(std::ostream &o, TargetMachine &tm);
73 /// createX86EmitCodeToMemory - Returns a pass that converts a register
74 /// allocated function into raw machine code in a dynamically
75 /// allocated chunk of memory.
77 FunctionPass *createEmitX86CodeToMemory();
79 } // End llvm namespace
81 // Defines symbolic names for X86 registers. This defines a mapping from
82 // register name to register number.
84 #include "X86GenRegisterNames.inc"
86 // Defines symbolic names for the X86 instructions.
88 #include "X86GenInstrNames.inc"