diff --git a/lld/MachO/Driver.cpp b/lld/MachO/Driver.cpp
--- a/lld/MachO/Driver.cpp
+++ b/lld/MachO/Driver.cpp
@@ -247,9 +247,12 @@
 }
 
 static DenseMap<StringRef, ArchiveFile *> loadedArchives;
+static DenseMap<StringRef, InputFile *> implicitlyLoadedObjects;
+static DenseMap<StringRef, InputFile *> explicitlyLoadedObjects;
 
 static InputFile *addFile(StringRef path, ForceLoad forceLoadArchive,
                           bool isExplicit = true, bool isBundleLoader = false) {
+
   Optional<MemoryBufferRef> buffer = readFile(path);
   if (!buffer)
     return nullptr;
@@ -319,7 +322,20 @@
     break;
   }
   case file_magic::macho_object:
-    newFile = make<ObjFile>(mbref, getModTime(path), "");
+    // Implicitly loaded objects need to be deduplicated to not cause duplicate
+    // symbol errors. If an implicitly loaded object is loaded explicitly, it
+    // is also deduplicated.
+    if (InputFile *cachedFile = implicitlyLoadedObjects[path])
+      return cachedFile;
+
+    if (isExplicit) {
+      newFile = explicitlyLoadedObjects[path] = make<ObjFile>(mbref, getModTime(path), "");
+    } else {
+      // If an object is explicitly loaded, ignore any implicit loads of it
+      if (InputFile *cachedFile = explicitlyLoadedObjects[path])
+        return cachedFile;
+      newFile = implicitlyLoadedObjects[path] = make<ObjFile>(mbref, getModTime(path), "");
+    }
     break;
   case file_magic::macho_dynamically_linked_shared_lib:
   case file_magic::macho_dynamically_linked_shared_lib_stub:
@@ -331,7 +347,17 @@
     }
     break;
   case file_magic::bitcode:
-    newFile = make<BitcodeFile>(mbref, "", 0);
+    // See comments above for macho_object file type
+    if (InputFile *cachedFile = implicitlyLoadedObjects[path])
+      return cachedFile;
+
+    if (isExplicit) {
+      newFile = explicitlyLoadedObjects[path] = make<BitcodeFile>(mbref, "", 0);
+    } else {
+      if (InputFile *cachedFile = explicitlyLoadedObjects[path])
+        return cachedFile;
+      newFile = implicitlyLoadedObjects[path] = make<BitcodeFile>(mbref, "", 0);
+    }
     break;
   case file_magic::macho_executable:
   case file_magic::macho_bundle:
@@ -1098,6 +1124,8 @@
     inputFiles.clear();
     inputSections.clear();
     loadedArchives.clear();
+    implicitlyLoadedObjects.clear();
+    explicitlyLoadedObjects.clear();
     syntheticSections.clear();
     thunkMap.clear();
 
diff --git a/lld/test/MachO/framework-object.ll b/lld/test/MachO/framework-object.ll
new file mode 100644
--- /dev/null
+++ b/lld/test/MachO/framework-object.ll
@@ -0,0 +1,35 @@
+; REQUIRES: x86
+; RUN: rm -rf %t; split-file %s %t
+
+; RUN: mkdir -p %t/Foo.framework
+; RUN: llc --filetype=obj %t/framework.ll -o %t/Foo.framework/Foo
+; RUN: llc --filetype=obj %t/load-framework-foo.ll -o %t/main
+; Order of the object with the LC_LINKER_OPTION vs -framework arg is important.
+; RUN: %lld %t/main -F %t -framework Foo
+; RUN: %lld -F %t -framework Foo %t/main
+
+; RUN: llvm-as %t/framework.ll -o %t/Foo.framework/Foo
+; RUN: llvm-as %t/load-framework-foo.ll -o %t/main
+; Order of the object with the LC_LINKER_OPTION vs -framework arg is important.
+; RUN: %lld %t/main -F %t -framework Foo
+; RUN: %lld -F %t -framework Foo %t/main
+
+;--- framework.ll
+target triple = "x86_64-apple-macosx10.15.0"
+target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @foo() {
+  ret void
+}
+
+;--- load-framework-foo.ll
+target triple = "x86_64-apple-macosx10.15.0"
+target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+
+!0 = !{!"-framework", !"Foo"}
+!llvm.linker.options = !{!0, !0}
+
+define void @main() {
+  ret void
+}
+
diff --git a/lld/test/MachO/invalid/duplicate-symbol.ll b/lld/test/MachO/invalid/duplicate-symbol.ll
--- a/lld/test/MachO/invalid/duplicate-symbol.ll
+++ b/lld/test/MachO/invalid/duplicate-symbol.ll
@@ -13,3 +13,4 @@
 define void @foo() {
   ret void
 }
+
diff --git a/lld/test/MachO/invalid/duplicate-symbol.s b/lld/test/MachO/invalid/duplicate-symbol.s
--- a/lld/test/MachO/invalid/duplicate-symbol.s
+++ b/lld/test/MachO/invalid/duplicate-symbol.s
@@ -13,3 +13,4 @@
 _main:
   mov $0, %rax
   ret
+