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96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
//===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the entry points for global functions defined in the x86
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// target library, as used by the LLVM JIT.
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//
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//===----------------------------------------------------------------------===//
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#ifndef TARGET_X86_H
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#define TARGET_X86_H
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#include <iosfwd>
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namespace llvm {
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class TargetMachine;
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class PassManager;
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class FunctionPass;
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class IntrinsicLowering;
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class MachineCodeEmitter;
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enum X86VectorEnum {
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NoSSE, SSE, SSE2, SSE3
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};
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extern X86VectorEnum X86Vector;
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extern bool X86ScalarSSE;
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/// createX86SimpleInstructionSelector - This pass converts an LLVM function
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/// into a machine code representation in a very simple peep-hole fashion. The
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/// generated code sucks but the implementation is nice and simple.
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///
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FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM);
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/// createX86PatternInstructionSelector - This pass converts an LLVM function
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/// into a machine code representation in a more aggressive way.
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///
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FunctionPass *createX86PatternInstructionSelector(TargetMachine &TM);
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/// createX86SSAPeepholeOptimizerPass - Create a pass to perform SSA-based X86
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/// specific peephole optimizations.
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///
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FunctionPass *createX86SSAPeepholeOptimizerPass();
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/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
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/// optimizations.
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///
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FunctionPass *createX86PeepholeOptimizerPass();
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/// createX86FloatingPointStackifierPass - This function returns a pass which
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/// converts floating point register references and pseudo instructions into
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/// floating point stack references and physical instructions.
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///
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FunctionPass *createX86FloatingPointStackifierPass();
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/// createX86CodePrinterPass - Returns a pass that prints the X86
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/// assembly code for a MachineFunction to the given output stream,
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/// using the given target machine description.
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///
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FunctionPass *createX86CodePrinterPass(std::ostream &o, TargetMachine &tm);
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/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
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/// to the specified MCE object.
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FunctionPass *createX86CodeEmitterPass(MachineCodeEmitter &MCE);
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/// addX86ELFObjectWriterPass - Add passes to the FPM that output the generated
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/// code as an ELF object file.
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///
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void addX86ELFObjectWriterPass(PassManager &FPM,
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std::ostream &o, TargetMachine &tm);
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/// createX86EmitCodeToMemory - Returns a pass that converts a register
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/// allocated function into raw machine code in a dynamically
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/// allocated chunk of memory.
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///
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FunctionPass *createEmitX86CodeToMemory();
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} // End llvm namespace
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// Defines symbolic names for X86 registers. This defines a mapping from
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// register name to register number.
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//
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#include "X86GenRegisterNames.inc"
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// Defines symbolic names for the X86 instructions.
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//
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#include "X86GenInstrNames.inc"
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#endif
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