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72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
//===-- ExecutionAnnotations.h ---------------------------------*- 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 header file defines annotations used by the execution engine.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLI_EXECUTION_ANNOTATIONS_H
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#define LLI_EXECUTION_ANNOTATIONS_H
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//===----------------------------------------------------------------------===//
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// Support for FunctionInfo annotations
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//===----------------------------------------------------------------------===//
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// This annotation (attached only to Function objects) is used to cache useful
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// information about the function, including the number of types present in the
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// function, and the number of values for each type.
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//
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struct FunctionInfo {
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FunctionInfo(Function *F);
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std::vector<unsigned> NumPlaneElements;
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private:
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unsigned getValueSlot(const Value *V);
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};
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//===----------------------------------------------------------------------===//
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// Support for the SlotNumber annotation
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//===----------------------------------------------------------------------===//
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// This annotation (attached only to Argument & Instruction objects) is used to
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// hold the the slot number for the value in its type plane.
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//
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// Entities have this annotation attached to them when the containing
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// function has it's FunctionInfo created (by the FunctionInfo ctor).
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//
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static AnnotationID SlotNumberAID(
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AnnotationManager::getID("Interpreter::SlotNumber"));
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struct SlotNumber : public Annotation {
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unsigned SlotNum; // Ranges from 0->
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SlotNumber(unsigned sn) : Annotation(SlotNumberAID),
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SlotNum(sn) {}
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};
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//===----------------------------------------------------------------------===//
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// Support for the InstNumber annotation
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//===----------------------------------------------------------------------===//
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// This annotation (attached only to Instruction objects) is used to hold the
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// instruction number of the instruction, and the slot number for the value in
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// its type plane. InstNumber's are used for user interaction, and for
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// calculating which value slot to store the result of the instruction in.
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//
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// Instructions have this annotation attached to them when the containing
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// function has it's FunctionInfo created (by the FunctionInfo ctor).
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//
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struct InstNumber : public SlotNumber {
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unsigned InstNum; // Ranges from 1->
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InstNumber(unsigned in, unsigned sn) : SlotNumber(sn), InstNum(in) {}
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};
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#endif
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