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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5227 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
//===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
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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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class TargetMachine;
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class Pass;
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/// createSimpleX86InstructionSelector - This pass converts an LLVM function
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/// into a machine code representation is 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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Pass *createSimpleX86InstructionSelector(TargetMachine &TM);
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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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Pass *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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Pass *createX86FloatingPointStackifierPass();
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/// createX86CodePrinterPass - Print out the specified machine code function to
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/// the specified stream. This function should work regardless of whether or
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/// not the function is in SSA form or not.
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///
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Pass *createX86CodePrinterPass(std::ostream &O);
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/// X86EmitCodeToMemory - This function converts a register allocated function
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/// into raw machine code in a dynamically allocated chunk of memory. A pointer
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/// to the start of the function is returned.
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///
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Pass *createEmitX86CodeToMemory();
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// Put symbolic names in a namespace to avoid causing these to clash with all
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// kinds of other things...
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//
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namespace X86 {
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// Defines a large number of symbolic names for X86 registers. This defines a
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// mapping from register name to register number.
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//
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enum Register {
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#define R(ENUM, NAME, FLAGS, TSFLAGS, ALIAS_SET) ENUM,
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#include "X86RegisterInfo.def"
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};
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// This defines a large number of symbolic names for X86 instruction opcodes.
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enum Opcode {
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#define I(ENUM, NAME, BASEOPCODE, FLAGS, TSFLAGS, IMPDEFS, IMPUSES) ENUM,
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#include "X86InstrInfo.def"
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};
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}
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#endif
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