[clang-tools-extra] [clang-tidy] Add llvm-use-vector-utils (PR #177722)

[Yanzuo Liu via cfe-commits]

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@@ -0,0 +1,126 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 "UseVectorUtilsCheck.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Lex/Lexer.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang::tidy::llvm_check {
+
+UseVectorUtilsCheck::UseVectorUtilsCheck(StringRef Name,
+                                         ClangTidyContext *Context)
+    : ClangTidyCheck(Name, Context),
+      Inserter(Options.getLocalOrGlobal("IncludeStyle",
+                                        utils::IncludeSorter::IS_LLVM),
+               areDiagsSelfContained()) {}
+
+void UseVectorUtilsCheck::registerPPCallbacks(const SourceManager &SM,
+                                              Preprocessor *PP,
+                                              Preprocessor *ModuleExpanderPP) {
+  Inserter.registerPreprocessor(PP);
+}
+
+void UseVectorUtilsCheck::registerMatchers(MatchFinder *Finder) {
+  // Match `llvm::to_vector(llvm::map_range(X, F))`.
+  Finder->addMatcher(
+      callExpr(callee(functionDecl(hasName("::llvm::to_vector"))),
+               hasArgument(0, callExpr(callee(functionDecl(
+                                           hasName("::llvm::map_range"))))
----------------
zwuis wrote:

`hasAnyName("::llvm::map_range", "::llvm::make_filter_range")`

To get the name of the function matched by this matcher, use `NamedDecl::getName()`.

https://github.com/llvm/llvm-project/pull/177722