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//==- GRBlockCounter.h - ADT for counting block visits -------------*- C++ -*-//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines GRBlockCounter, an abstract data type used to count
// the number of times a given block has been visited along a path
// analyzed by GRCoreEngine.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ANALYSIS_GRBLOCKCOUNTER
#define LLVM_CLANG_ANALYSIS_GRBLOCKCOUNTER
namespace llvm {
class BumpPtrAllocator;
}
namespace clang {
class StackFrameContext;
class GRBlockCounter {
void* Data;
GRBlockCounter(void* D) : Data(D) {}
public:
GRBlockCounter() : Data(0) {}
unsigned getNumVisited(const StackFrameContext *CallSite,
unsigned BlockID) const;
class Factory {
void* F;
public:
Factory(llvm::BumpPtrAllocator& Alloc);
~Factory();
GRBlockCounter GetEmptyCounter();
GRBlockCounter IncrementCount(GRBlockCounter BC,
const StackFrameContext *CallSite,
unsigned BlockID);
};
friend class Factory;
};
} // end clang namespace
#endif
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