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-rw-r--r--include/llvm/TypeFinder.h78
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diff --git a/include/llvm/TypeFinder.h b/include/llvm/TypeFinder.h
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--- a/include/llvm/TypeFinder.h
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-//===-- llvm/TypeFinder.h - Class for finding used struct types -*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the declaration of the TypeFinder class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_TYPEFINDER_H
-#define LLVM_TYPEFINDER_H
-
-#include "llvm/ADT/DenseSet.h"
-#include <vector>
-
-namespace llvm {
-
-class MDNode;
-class Module;
-class StructType;
-class Type;
-class Value;
-
-/// TypeFinder - Walk over a module, identifying all of the types that are
-/// used by the module.
-class TypeFinder {
- // To avoid walking constant expressions multiple times and other IR
- // objects, we keep several helper maps.
- DenseSet<const Value*> VisitedConstants;
- DenseSet<Type*> VisitedTypes;
-
- std::vector<StructType*> StructTypes;
- bool OnlyNamed;
-
-public:
- TypeFinder() : OnlyNamed(false) {}
-
- void run(const Module &M, bool onlyNamed);
- void clear();
-
- typedef std::vector<StructType*>::iterator iterator;
- typedef std::vector<StructType*>::const_iterator const_iterator;
-
- iterator begin() { return StructTypes.begin(); }
- iterator end() { return StructTypes.end(); }
-
- const_iterator begin() const { return StructTypes.begin(); }
- const_iterator end() const { return StructTypes.end(); }
-
- bool empty() const { return StructTypes.empty(); }
- size_t size() const { return StructTypes.size(); }
- iterator erase(iterator I, iterator E) { return StructTypes.erase(I, E); }
-
- StructType *&operator[](unsigned Idx) { return StructTypes[Idx]; }
-
-private:
- /// incorporateType - This method adds the type to the list of used
- /// structures if it's not in there already.
- void incorporateType(Type *Ty);
-
- /// incorporateValue - This method is used to walk operand lists finding types
- /// hiding in constant expressions and other operands that won't be walked in
- /// other ways. GlobalValues, basic blocks, instructions, and inst operands
- /// are all explicitly enumerated.
- void incorporateValue(const Value *V);
-
- /// incorporateMDNode - This method is used to walk the operands of an MDNode
- /// to find types hiding within.
- void incorporateMDNode(const MDNode *V);
-};
-
-} // end llvm namespace
-
-#endif
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