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