Files
Ryan Prichard 6024e5c395 Update prebuilt Clang to r547379 (20.0.0).
clang 20.0.0 (based on r547379) from build 12806354.

Bug: http://b/379133546
Test: N/A
Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b

Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
2025-11-26 14:59:46 -05:00

63 lines
2.1 KiB
C++

//===--------- Definition of the MemProfiler class --------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the MemProfiler class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H
#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/IR/PassManager.h"
namespace llvm {
class Function;
class Module;
namespace vfs {
class FileSystem;
} // namespace vfs
/// Public interface to the memory profiler pass for instrumenting code to
/// profile memory accesses.
///
/// The profiler itself is a function pass that works by inserting various
/// calls to the MemProfiler runtime library functions. The runtime library
/// essentially replaces malloc() and free() with custom implementations that
/// record data about the allocations.
class MemProfilerPass : public PassInfoMixin<MemProfilerPass> {
public:
explicit MemProfilerPass();
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
static bool isRequired() { return true; }
};
/// Public interface to the memory profiler module pass for instrumenting code
/// to profile memory allocations and accesses.
class ModuleMemProfilerPass : public PassInfoMixin<ModuleMemProfilerPass> {
public:
explicit ModuleMemProfilerPass();
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
static bool isRequired() { return true; }
};
class MemProfUsePass : public PassInfoMixin<MemProfUsePass> {
public:
explicit MemProfUsePass(std::string MemoryProfileFile,
IntrusiveRefCntPtr<vfs::FileSystem> FS = nullptr);
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
private:
std::string MemoryProfileFileName;
IntrusiveRefCntPtr<vfs::FileSystem> FS;
};
} // namespace llvm
#endif