NFC: Remove unused member from UniversalLinkageInfo

Author: hamishknight

include/swift/IRGen/Linking.h

@@ -53,12 +53,10 @@ class UniversalLinkageInfo {
   /// be promoted to public external. Used by the LLDB expression evaluator.
   bool ForcePublicDecls;
 
-  bool IsWholeModule;
-
   explicit UniversalLinkageInfo(IRGenModule &IGM);
 
   UniversalLinkageInfo(const llvm::Triple &triple, bool hasMultipleIGMs,
-                       bool forcePublicDecls, bool isWholeModule);
+                       bool forcePublicDecls);
 
   /// In case of multiple llvm modules (in multi-threaded compilation) all
   /// private decls must be visible from other files.

lib/IRGen/Linking.cpp

@@ -74,16 +74,14 @@ bool swift::irgen::useDllStorage(const llvm::Triple &triple) {
 
 UniversalLinkageInfo::UniversalLinkageInfo(IRGenModule &IGM)
     : UniversalLinkageInfo(IGM.Triple, IGM.IRGen.hasMultipleIGMs(),
-                           IGM.IRGen.Opts.ForcePublicLinkage,
-                           IGM.getSILModule().isWholeModule()) {}
+                           IGM.IRGen.Opts.ForcePublicLinkage) {}
 
 UniversalLinkageInfo::UniversalLinkageInfo(const llvm::Triple &triple,
                                            bool hasMultipleIGMs,
-                                           bool forcePublicDecls,
-                                           bool isWholeModule)
+                                           bool forcePublicDecls)
     : IsELFObject(triple.isOSBinFormatELF()),
       UseDLLStorage(useDllStorage(triple)), HasMultipleIGMs(hasMultipleIGMs),
-      ForcePublicDecls(forcePublicDecls), IsWholeModule(isWholeModule) {}
+      ForcePublicDecls(forcePublicDecls) {}
 
 /// Mangle this entity into the given buffer.
 void LinkEntity::mangle(SmallVectorImpl<char> &buffer) const {

lib/TBDGen/TBDGen.cpp

@@ -950,10 +950,9 @@ static void enumeratePublicSymbolsAndWrite(ModuleDecl *M, FileUnit *singleFile,
                                            llvm::raw_ostream *os,
                                            const TBDGenOptions &opts) {
   auto &ctx = M->getASTContext();
-  auto isWholeModule = singleFile == nullptr;
   const auto &triple = ctx.LangOpts.Target;
-  UniversalLinkageInfo linkInfo(triple, opts.HasMultipleIGMs, false,
-                                isWholeModule);
+  UniversalLinkageInfo linkInfo(triple, opts.HasMultipleIGMs,
+                                /*forcePublicDecls*/ false);
 
   llvm::MachO::InterfaceFile file;
   file.setFileType(llvm::MachO::FileType::TBD_V3);