[all-commits] [llvm/llvm-project] 36ada3: [BOLT][NFC] Fix data race in ShrinkWrapping stats

[Amir Ayupov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 36ada32727d8c9f075ea8943212d489fdbcf637e
      https://github.com/llvm/llvm-project/commit/36ada32727d8c9f075ea8943212d489fdbcf637e
  Author: Amir Ayupov <aaupov at fb.com>
  Date:   2022-02-20 (Sun, 20 Feb 2022)

  Changed paths:
    M bolt/include/bolt/Passes/ShrinkWrapping.h
    M bolt/lib/Passes/ShrinkWrapping.cpp

  Log Message:
  -----------
  [BOLT][NFC] Fix data race in ShrinkWrapping stats

Fix data race reported by ThreadSanitizer in clang.test:
```
ThreadSanitizer: data race /data/llvm-project/bolt/lib/Passes/ShrinkWrapping.cpp:1359:28
in llvm::bolt::ShrinkWrapping::moveSaveRestores()
```

The issue is with incrementing global counters from multiple threads.

Reviewed By: yota9

Differential Revision: https://reviews.llvm.org/D120218