1 files changed, 36 insertions, 0 deletions
diff --git a/clang-tools-extra/clang-tidy/darwin/AvoidSpinlockCheck.cpp b/clang-tools-extra/clang-tidy/darwin/AvoidSpinlockCheck.cpp
new file mode 100644
index 00000000000..2a52725c19c
--- /dev/null
+++ b/clang-tools-extra/clang-tidy/darwin/AvoidSpinlockCheck.cpp
@@ -0,0 +1,36 @@
+//===--- AvoidSpinlockCheck.cpp - clang-tidy-------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "AvoidSpinlockCheck.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang {
+namespace tidy {
+namespace darwin {
+
+void AvoidSpinlockCheck::registerMatchers(MatchFinder *Finder) {
+  Finder->addMatcher(
+      callExpr(callee((functionDecl(hasAnyName(
+                   "OSSpinlockLock", "OSSpinlockUnlock", "OSSpinlockTry")))))
+          .bind("spinlock"),
+      this);
+}
+
+void AvoidSpinlockCheck::check(const MatchFinder::MatchResult &Result) {
+  const auto *MatchedExpr = Result.Nodes.getNodeAs<CallExpr>("spinlock");
+  diag(MatchedExpr->getBeginLoc(),
+       "use os_unfair_lock_lock() or dispatch queue APIs instead of the "
+       "deprecated OSSpinLock");
+}
+
+}  // namespace darwin
+}  // namespace tidy
+}  // namespace clang