1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/FunctionImport.cpp b/llvm/lib/Transforms/IPO/FunctionImport.cpp
index b8fc79a03b6..f469c24dd42 100644
--- a/llvm/lib/Transforms/IPO/FunctionImport.cpp
+++ b/llvm/lib/Transforms/IPO/FunctionImport.cpp
@@ -650,6 +650,13 @@ void llvm::thinLTOInternalizeModule(Module &TheModule,
     return !GlobalValue::isLocalLinkage(Linkage);
   };
 
+  // Try to auto-hide the symbols.
+  for (auto &GO : TheModule.global_objects()) {
+    const auto &GS = DefinedGlobals.find(GO.getGUID());
+    if (GS != DefinedGlobals.end() && GS->second->flags().AutoHide)
+      GO.setVisibility(GlobalValue::HiddenVisibility);
+  }
+
   // FIXME: See if we can just internalize directly here via linkage changes
   // based on the index, rather than invoking internalizeModule.
   llvm::internalizeModule(TheModule, MustPreserveGV);