1 | //===--------- Definition of the MemProfiler class --------------*- C++ -*-===// |
2 | // |
3 | // The LLVM Compiler Infrastructure |
4 | // |
5 | // This file is distributed under the University of Illinois Open Source |
6 | // License. See LICENSE.TXT for details. |
7 | // |
8 | //===----------------------------------------------------------------------===// |
9 | // |
10 | // This file declares the MemProfiler class. |
11 | // |
12 | //===----------------------------------------------------------------------===// |
13 | #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H |
14 | #define LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H |
15 | |
16 | #include "llvm/IR/Function.h" |
17 | #include "llvm/IR/Module.h" |
18 | #include "llvm/IR/PassManager.h" |
19 | |
20 | namespace llvm { |
21 | |
22 | /// Public interface to the memory profiler pass for instrumenting code to |
23 | /// profile memory accesses. |
24 | /// |
25 | /// The profiler itself is a function pass that works by inserting various |
26 | /// calls to the MemProfiler runtime library functions. The runtime library |
27 | /// essentially replaces malloc() and free() with custom implementations that |
28 | /// record data about the allocations. |
29 | class MemProfilerPass : public PassInfoMixin<MemProfilerPass> { |
30 | public: |
31 | explicit MemProfilerPass(); |
32 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
33 | static bool isRequired() { return true; } |
34 | }; |
35 | |
36 | /// Public interface to the memory profiler module pass for instrumenting code |
37 | /// to profile memory allocations and accesses. |
38 | class ModuleMemProfilerPass : public PassInfoMixin<ModuleMemProfilerPass> { |
39 | public: |
40 | explicit ModuleMemProfilerPass(); |
41 | PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
42 | static bool isRequired() { return true; } |
43 | }; |
44 | |
45 | // Insert MemProfiler instrumentation |
46 | FunctionPass *createMemProfilerFunctionPass(); |
47 | ModulePass *createModuleMemProfilerLegacyPassPass(); |
48 | |
49 | } // namespace llvm |
50 | |
51 | #endif |
52 | |