[clang-tools-extra] [clang-tidy] Add `performance-explicit-move-constructor` check (PR #122599)

[Julian Schmidt via cfe-commits]

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@@ -0,0 +1,76 @@
+//===--- ExplicitMoveConstructorCheck.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 "ExplicitMoveConstructorCheck.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Lex/Lexer.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang::tidy::performance {
+
+static SourceRange findExplicitToken(const CXXConstructorDecl *Ctor,
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5chmidti wrote:

We have some existing utils function, you should be able to use one of these instead https://github.com/llvm/llvm-project/blob/main/clang-tools-extra/clang-tidy/utils/LexerUtils.h

https://github.com/llvm/llvm-project/pull/122599