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32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
//===- RSProfiling.h - Various profiling using random sampling ----------===//
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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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// See notes in RSProfiling.cpp
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Transforms/RSProfiling.h"
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#include <set>
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namespace llvm {
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/// RSProfilers_std - a simple support class for profilers that handles most
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/// of the work of chaining and tracking inserted code.
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struct RSProfilers_std : public RSProfilers {
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static char ID;
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std::set<Value*> profcode;
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// Lookup up values in profcode
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virtual bool isProfiling(Value* v);
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// handles required chaining
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virtual void getAnalysisUsage(AnalysisUsage &AU) const;
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// places counter updates in basic blocks and recordes added instructions in
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// profcode
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void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
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GlobalValue *CounterArray);
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};
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}
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