LLVM  9.0.0svn
MemorySanitizer.h
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1 //===- Transforms/Instrumentation/MemorySanitizer.h - MSan Pass -----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines the memoy sanitizer pass.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
14 #define LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
15 
16 #include "llvm/IR/PassManager.h"
17 #include "llvm/Pass.h"
18 
19 namespace llvm {
20 
22  MemorySanitizerOptions() = default;
24  : TrackOrigins(TrackOrigins), Recover(Recover), Kernel(Kernel) {}
25  int TrackOrigins = 0;
26  bool Recover = false;
27  bool Kernel = false;
28 };
29 
30 // Insert MemorySanitizer instrumentation (detection of uninitialized reads)
33 
34 /// A function pass for msan instrumentation.
35 ///
36 /// Instruments functions to detect unitialized reads. This function pass
37 /// inserts calls to runtime library functions. If the functions aren't declared
38 /// yet, the pass inserts the declarations. Otherwise the existing globals are
39 /// used.
40 struct MemorySanitizerPass : public PassInfoMixin<MemorySanitizerPass> {
41  MemorySanitizerPass(MemorySanitizerOptions Options) : Options(Options) {}
42 
44 
45 private:
46  MemorySanitizerOptions Options;
47 };
48 }
49 
50 #endif /* LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H */
This class represents lattice values for constants.
Definition: AllocatorList.h:23
F(f)
MemorySanitizerPass(MemorySanitizerOptions Options)
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:372
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:153
FunctionPass class - This class is used to implement most global optimizations.
Definition: Pass.h:284
A function pass for msan instrumentation.
FunctionPass * createMemorySanitizerLegacyPassPass(MemorySanitizerOptions Options={})
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.
MemorySanitizerOptions(int TrackOrigins, bool Recover, bool Kernel)