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00e08fcaa0
Add header guards to files that were missing guards. Remove #endif comments as they don't seem common in LLVM (we can easily add them back if we decide they're useful) Changes made by clang-tidy with minor tweaks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215558 91177308-0d34-0410-b5e6-96231b3b80d8
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//=-- InstrProfWriter.h - Instrumented profiling writer -----------*- C++ -*-=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains support for writing profiling data for instrumentation
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// based PGO and coverage.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_PROFILEDATA_INSTRPROFWRITER_H
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#define LLVM_PROFILEDATA_INSTRPROFWRITER_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ProfileData/InstrProf.h"
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#include "llvm/Support/DataTypes.h"
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#include "llvm/Support/raw_ostream.h"
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#include <vector>
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namespace llvm {
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/// Writer for instrumentation based profile data.
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class InstrProfWriter {
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public:
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typedef SmallDenseMap<uint64_t, std::vector<uint64_t>, 1> CounterData;
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private:
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StringMap<CounterData> FunctionData;
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uint64_t MaxFunctionCount;
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public:
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InstrProfWriter() : MaxFunctionCount(0) {}
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/// Add function counts for the given function. If there are already counts
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/// for this function and the hash and number of counts match, each counter is
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/// summed.
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std::error_code addFunctionCounts(StringRef FunctionName,
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uint64_t FunctionHash,
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ArrayRef<uint64_t> Counters);
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/// Ensure that all data is written to disk.
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void write(raw_fd_ostream &OS);
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};
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} // end namespace llvm
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#endif
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