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 #include "llvm/Pass.h"
18 
19 namespace llvm {
20 // Insert ThreadSanitizer (race detection) instrumentation
21 FunctionPass *createThreadSanitizerLegacyPassPass();
22 
23 /// A function pass for tsan instrumentation.
24 ///
25 /// Instruments functions to detect race conditions reads. This function pass
26 /// inserts calls to runtime library functions. If the functions aren't declared
27 /// yet, the pass inserts the declarations. Otherwise the existing globals are
28 struct ThreadSanitizerPass : public PassInfoMixin<ThreadSanitizerPass> {
29   PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
30   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
31   static bool isRequired() { return true; }
32 };
33 
34 } // namespace llvm
35 #endif /* LLVM_TRANSFORMS_INSTRUMENTATION_THREADSANITIZER_H */
36