llvm-6502/lib/Transforms/Instrumentation/RSProfiling.h
2007-12-29 20:36:04 +00:00

32 lines
1.1 KiB
C++

//===- RSProfiling.h - Various profiling using random sampling ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// See notes in RSProfiling.cpp
//
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/RSProfiling.h"
#include <set>
namespace llvm {
/// RSProfilers_std - a simple support class for profilers that handles most
/// of the work of chaining and tracking inserted code.
struct RSProfilers_std : public RSProfilers {
static char ID;
std::set<Value*> profcode;
// Lookup up values in profcode
virtual bool isProfiling(Value* v);
// handles required chaining
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
// places counter updates in basic blocks and recordes added instructions in
// profcode
void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
GlobalValue *CounterArray);
};
}