[clang] [clang] Use *(Set|Map)::contains (NFC) (PR #138464)

[Kazu Hirata via cfe-commits]

https://github.com/kazutakahirata created 
https://github.com/llvm/llvm-project/pull/138464

None

>From 988dae3f61b85a357f271336695619060103aeca Mon Sep 17 00:00:00 2001
From: Kazu Hirata <k...@google.com>
Date: Sun, 4 May 2025 10:41:49 -0700
Subject: [PATCH] [clang] Use *(Set|Map)::contains (NFC)

---
 clang/lib/AST/DeclBase.cpp                            | 3 +--
 clang/lib/Serialization/ASTReader.cpp                 | 5 ++---
 clang/tools/libclang/CXCursor.cpp                     | 2 +-
 clang/utils/TableGen/ClangBuiltinTemplatesEmitter.cpp | 4 +---
 4 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index fead99c5f28a9..aea19c51401aa 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -2149,8 +2149,7 @@ void DeclContext::makeDeclVisibleInContextImpl(NamedDecl 
*D, bool Internal) {
   // have already checked the external source.
   if (!Internal)
     if (ExternalASTSource *Source = getParentASTContext().getExternalSource())
-      if (hasExternalVisibleStorage() &&
-          Map->find(D->getDeclName()) == Map->end())
+      if (hasExternalVisibleStorage() && !Map->contains(D->getDeclName()))
         Source->FindExternalVisibleDeclsByName(this, D->getDeclName(),
                                                D->getDeclContext());
 
diff --git a/clang/lib/Serialization/ASTReader.cpp 
b/clang/lib/Serialization/ASTReader.cpp
index 106a652049b07..e47bac0261356 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -8646,9 +8646,8 @@ ASTReader::getLoadedSpecializationsLookupTables(const 
Decl *D, bool IsPartial) {
 
 bool ASTReader::haveUnloadedSpecializations(const Decl *D) const {
   assert(D->isCanonicalDecl());
-  return (PartialSpecializationsLookups.find(D) !=
-          PartialSpecializationsLookups.end()) ||
-         (SpecializationsLookups.find(D) != SpecializationsLookups.end());
+  return PartialSpecializationsLookups.contains(D) ||
+         SpecializationsLookups.contains(D);
 }
 
 /// Under non-PCH compilation the consumer receives the objc methods
diff --git a/clang/tools/libclang/CXCursor.cpp 
b/clang/tools/libclang/CXCursor.cpp
index 1d15120106017..635d03a88d105 100644
--- a/clang/tools/libclang/CXCursor.cpp
+++ b/clang/tools/libclang/CXCursor.cpp
@@ -1638,7 +1638,7 @@ unsigned clang_CXCursorSet_contains(CXCursorSet set, 
CXCursor cursor) {
   CXCursorSet_Impl *setImpl = unpackCXCursorSet(set);
   if (!setImpl)
     return 0;
-  return setImpl->find(cursor) != setImpl->end();
+  return setImpl->contains(cursor);
 }
 
 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) {
diff --git a/clang/utils/TableGen/ClangBuiltinTemplatesEmitter.cpp 
b/clang/utils/TableGen/ClangBuiltinTemplatesEmitter.cpp
index de79743a06e1f..e2eb65091bc5a 100644
--- a/clang/utils/TableGen/ClangBuiltinTemplatesEmitter.cpp
+++ b/clang/utils/TableGen/ClangBuiltinTemplatesEmitter.cpp
@@ -60,10 +60,8 @@ ParseTemplateParameterList(ParserState &PS,
     } else if (Arg->isSubClassOf("NTTP")) {
       auto Type = Arg->getValueAsString("TypeName");
 
-      if (TemplateNameToParmName.find(Type.str()) ==
-          TemplateNameToParmName.end()) {
+      if (!TemplateNameToParmName.contains(Type.str()))
         PrintFatalError("Unkown Type Name");
-      }
 
       auto TSIName = "TSI" + std::to_string(PS.UniqueCounter++);
       Code << " auto *" << TSIName << " = C.getTrivialTypeSourceInfo(QualType("

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