Export clang-format16 via ydblib project

6e6be3a95868fde888d801b7590af4044049563f

1 files changed, 30 insertions, 0 deletions

diff --git a/contrib/libs/clang16/tools/extra/clang-tidy/performance/NoIntToPtrCheck.cpp b/contrib/libs/clang16/tools/extra/clang-tidy/performance/NoIntToPtrCheck.cpp
new file mode 100644
index 0000000000..f7a56c7b10
--- /dev/null
+++ b/contrib/libs/clang16/tools/extra/clang-tidy/performance/NoIntToPtrCheck.cpp
@@ -0,0 +1,30 @@
+//===--- NoIntToPtrCheck.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 "NoIntToPtrCheck.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang::tidy::performance {
+
+void NoIntToPtrCheck::registerMatchers(MatchFinder *Finder) {
+  Finder->addMatcher(castExpr(hasCastKind(CK_IntegralToPointer),
+                              unless(hasSourceExpression(integerLiteral())))
+                         .bind("x"),
+                     this);
+}
+
+void NoIntToPtrCheck::check(const MatchFinder::MatchResult &Result) {
+  const auto *MatchedCast = Result.Nodes.getNodeAs<CastExpr>("x");
+  diag(MatchedCast->getBeginLoc(),
+       "integer to pointer cast pessimizes optimization opportunities");
+}
+
+} // namespace clang::tidy::performance