1 //==- BlockCounter.h - ADT for counting block visits ---------------*- C++ -*-//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines BlockCounter, an abstract data type used to count
11 // the number of times a given block has been visited along a path
12 // analyzed by CoreEngine.
14 //===----------------------------------------------------------------------===//
16 #ifndef LLVM_CLANG_GR_BLOCKCOUNTER
17 #define LLVM_CLANG_GR_BLOCKCOUNTER
20 class BumpPtrAllocator;
25 class StackFrameContext;
32 BlockCounter(void* D) : Data(D) {}
35 BlockCounter() : Data(0) {}
37 unsigned getNumVisited(const StackFrameContext *CallSite,
38 unsigned BlockID) const;
43 Factory(llvm::BumpPtrAllocator& Alloc);
46 BlockCounter GetEmptyCounter();
47 BlockCounter IncrementCount(BlockCounter BC,
48 const StackFrameContext *CallSite,
57 } // end clang namespace