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[MemProf] Split MemProfiler into Instrumentation and Use. #142811
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Jun 5, 2025
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47 changes: 47 additions & 0 deletions
47
llvm/include/llvm/Transforms/Instrumentation/MemProfInstrumentation.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| //===--- MemProfInstrumentation.h - Memory profiler instrumentation ----*- 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 MemProf instrumentation pass classes. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROF_INSTRUMENTATION_H | ||
| #define LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROF_INSTRUMENTATION_H | ||
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| #include "llvm/IR/PassManager.h" | ||
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| namespace llvm { | ||
| class Function; | ||
| class Module; | ||
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| /// 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; } | ||
| }; | ||
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| /// 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; } | ||
| }; | ||
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| } // namespace llvm | ||
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| #endif |
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nit: could we end with a newline here? A diff involving an unterminated line looks ugly.
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Agree, fixed this and in other places in this PR.