38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
//===- MemProfCommon.h - MemProf common utilities ---------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains MemProf common utilities.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_PROFILEDATA_MEMPROFCOMMON_H
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#define LLVM_PROFILEDATA_MEMPROFCOMMON_H
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#include "llvm/IR/ModuleSummaryIndex.h"
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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namespace memprof {
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struct Frame;
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/// Return the allocation type for a given set of memory profile values.
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LLVM_ABI AllocationType getAllocType(uint64_t TotalLifetimeAccessDensity,
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uint64_t AllocCount,
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uint64_t TotalLifetime);
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/// Helper to generate a single hash id for a given callstack, used for emitting
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/// matching statistics and useful for uniquing such statistics across modules.
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/// Also used to dedup contexts when computing the summary.
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LLVM_ABI uint64_t computeFullStackId(ArrayRef<Frame> CallStack);
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} // namespace memprof
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} // namespace llvm
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#endif // LLVM_PROFILEDATA_MEMPROFCOMMON_H
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