1 //===- Transforms/Instrumentation/ThreadSanitizer.h - TSan 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 thread sanitizer pass.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_THREADSANITIZER_H
14 #define LLVM_TRANSFORMS_INSTRUMENTATION_THREADSANITIZER_H
15 
16 #include "llvm/IR/PassManager.h"
17 
18 namespace llvm {
19 class Function;
20 class Module;
21 
22 /// A function pass for tsan instrumentation.
23 ///
24 /// Instruments functions to detect race conditions reads. This function pass
25 /// inserts calls to runtime library functions. If the functions aren't declared
26 /// yet, the pass inserts the declarations. Otherwise the existing globals are
27 struct ThreadSanitizerPass : public PassInfoMixin<ThreadSanitizerPass> {
28   PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
isRequiredThreadSanitizerPass29   static bool isRequired() { return true; }
30 };
31 
32 /// A module pass for tsan instrumentation.
33 ///
34 /// Create ctor and init functions.
35 struct ModuleThreadSanitizerPass
36   : public PassInfoMixin<ModuleThreadSanitizerPass> {
37   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
isRequiredModuleThreadSanitizerPass38   static bool isRequired() { return true; }
39 };
40 
41 } // namespace llvm
42 #endif /* LLVM_TRANSFORMS_INSTRUMENTATION_THREADSANITIZER_H */
43