From 6ae04f749b3d92c6aa292f5669311ea81d57d756 Mon Sep 17 00:00:00 2001
From: Matei Oprea <eu@opreamatei.ro>
Date: Tue, 4 Aug 2020 06:01:17 +0300
Subject: [PATCH] [NFC] Remove ModuleDecl::isClangModule in favor of
 isNonSwiftModule. (#33202)

Fixes SR-13237.
---
 include/swift/AST/Module.h              | 1 -
 lib/AST/Module.cpp                      | 3 ---
 lib/Index/IndexSymbol.cpp               | 2 +-
 tools/swift-ide-test/swift-ide-test.cpp | 4 ++--
 4 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/include/swift/AST/Module.h b/include/swift/AST/Module.h
index f66cbc34e89d2..0a1ff8f42ba2a 100644
--- a/include/swift/AST/Module.h
+++ b/include/swift/AST/Module.h
@@ -367,7 +367,6 @@ class ModuleDecl : public DeclContext, public TypeDecl {
     return { Files.begin(), Files.size() };
   }
 
-  bool isClangModule() const;
   void addFile(FileUnit &newFile);
 
   /// Creates a map from \c #filePath strings to corresponding \c #fileID
diff --git a/lib/AST/Module.cpp b/lib/AST/Module.cpp
index 9a5830743bd5a..6749fdc8b8802 100644
--- a/lib/AST/Module.cpp
+++ b/lib/AST/Module.cpp
@@ -493,9 +493,6 @@ ArrayRef<ImplicitImport> ModuleDecl::getImplicitImports() const {
                            {});
 }
 
-bool ModuleDecl::isClangModule() const {
-  return findUnderlyingClangModule() != nullptr;
-}
 
 void ModuleDecl::addFile(FileUnit &newFile) {
   // If this is a LoadedFile, make sure it loaded without error.
diff --git a/lib/Index/IndexSymbol.cpp b/lib/Index/IndexSymbol.cpp
index caa333508999a..f8d1e756b2d7d 100644
--- a/lib/Index/IndexSymbol.cpp
+++ b/lib/Index/IndexSymbol.cpp
@@ -143,7 +143,7 @@ SymbolInfo index::getSymbolInfoForModule(ModuleEntity Mod) {
   info.SubKind = SymbolSubKind::None;
   info.Properties = SymbolPropertySet();
   if (auto *D = Mod.getAsSwiftModule()) {
-    if (!D->isClangModule()) {
+    if (!D->isNonSwiftModule()) {
       info.Lang = SymbolLanguage::Swift;
     } else {
       info.Lang = SymbolLanguage::C;
diff --git a/tools/swift-ide-test/swift-ide-test.cpp b/tools/swift-ide-test/swift-ide-test.cpp
index 29bff878cf9da..691318b4885db 100644
--- a/tools/swift-ide-test/swift-ide-test.cpp
+++ b/tools/swift-ide-test/swift-ide-test.cpp
@@ -3191,7 +3191,7 @@ static int doPrintModuleImports(const CompilerInvocation &InitInvok,
     SmallVector<ModuleDecl::ImportedModule, 16> scratch;
     for (auto next : namelookup::getAllImports(M)) {
       llvm::outs() << next.importedModule->getName();
-      if (next.importedModule->isClangModule())
+      if (next.importedModule->isNonSwiftModule())
         llvm::outs() << " (Clang)";
       llvm::outs() << ":\n";
 
@@ -3205,7 +3205,7 @@ static int doPrintModuleImports(const CompilerInvocation &InitInvok,
           llvm::outs() << "." << accessPathPiece.Item;
         }
 
-        if (import.importedModule->isClangModule())
+        if (import.importedModule->isNonSwiftModule())
           llvm::outs() << " (Clang)";
         llvm::outs() << "\n";
       }