diff --git a/lld/MachO/SymbolTable.cpp b/lld/MachO/SymbolTable.cpp
--- a/lld/MachO/SymbolTable.cpp
+++ b/lld/MachO/SymbolTable.cpp
@@ -150,6 +150,7 @@
   std::tie(s, wasInserted) = insert(name, file);
 
   RefState refState = RefState::Unreferenced;
+  bool wasForceWeak = false;
   if (!wasInserted) {
     if (auto *defined = dyn_cast<Defined>(s)) {
       if (isWeakDef && !defined->isWeakDef())
@@ -158,14 +159,19 @@
       refState = undefined->refState;
     } else if (auto *dysym = dyn_cast<DylibSymbol>(s)) {
       refState = dysym->getRefState();
+      if (DylibFile *prevFile = dysym->getFile())
+        wasForceWeak = prevFile->forceWeakImport;
     }
   }
 
   bool isDynamicLookup = file == nullptr;
-  if (wasInserted || isa<Undefined>(s) ||
-      (isa<DylibSymbol>(s) &&
-       ((!isWeakDef && s->isWeakDef()) ||
-        (!isDynamicLookup && cast<DylibSymbol>(s)->isDynamicLookup())))) {
+  if (!isDynamicLookup && !wasInserted && file->forceWeakImport &&
+      !wasForceWeak)
+    replaceSymbol<DylibSymbol>(s, file, name, isWeakDef, refState, isTlv);
+  else if (wasInserted || isa<Undefined>(s) ||
+           (isa<DylibSymbol>(s) &&
+            ((!isWeakDef && s->isWeakDef()) ||
+             (!isDynamicLookup && cast<DylibSymbol>(s)->isDynamicLookup())))) {
     if (auto *dynsym = dyn_cast<DylibSymbol>(s))
       dynsym->unreference();
     replaceSymbol<DylibSymbol>(s, file, name, isWeakDef, refState, isTlv);
diff --git a/lld/MachO/Symbols.h b/lld/MachO/Symbols.h
--- a/lld/MachO/Symbols.h
+++ b/lld/MachO/Symbols.h
@@ -235,8 +235,13 @@
   }
 
   uint64_t getVA() const override;
-  bool isWeakDef() const override { return weakDef; }
-  bool isWeakRef() const override { return refState == RefState::Weak; }
+  bool isWeakDef() const override {
+    return weakDef || (file && dyn_cast<DylibFile>(file)->forceWeakImport);
+  }
+  bool isWeakRef() const override {
+    return refState == RefState::Weak ||
+           (file && dyn_cast<DylibFile>(file)->forceWeakImport);
+  }
   bool isReferenced() const { return refState != RefState::Unreferenced; }
   bool isTlv() const override { return tlv; }
   bool isDynamicLookup() const { return file == nullptr; }
diff --git a/lld/test/MachO/weak-import.s b/lld/test/MachO/weak-import.s
--- a/lld/test/MachO/weak-import.s
+++ b/lld/test/MachO/weak-import.s
@@ -9,12 +9,12 @@
 # RUN: %lld -lSystem -dylib %t/bar.o -o %t/libbar.dylib
 # RUN: %lld -lSystem -dylib %t/foo.o %t/libbar.dylib -sub_library libbar -o %t/libfoo.dylib
 
-# RUN: %lld -weak-lSystem %t/test.o -weak_framework CoreFoundation -weak_library %t/libfoo.dylib -o %t/test
-# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s -DDIR=%t --check-prefixes=WEAK-SYS,WEAK-FOO
+# RUN: %lld -weak-lSystem %t/test.o -weak_framework CoreFoundation -weak_library %t/libfoo.dylib -o %t/test_weak_core
+# RUN: llvm-objdump --macho --all-headers %t/test_weak_core | FileCheck %s -DDIR=%t --check-prefixes=WEAK-SYS,WEAK-FOO
 # RUN: %lld -weak-lSystem %t/test.o \
 # RUN:   -framework CoreFoundation -weak_framework CoreFoundation -framework CoreFoundation \
-# RUN:   %t/libfoo.dylib -weak_library %t/libfoo.dylib %t/libfoo.dylib -o %t/test
-# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s -DDIR=%t --check-prefixes=WEAK-SYS,WEAK-FOO
+# RUN:   %t/libfoo.dylib -weak_library %t/libfoo.dylib %t/libfoo.dylib -o %t/test_strong_weak_core
+# RUN: llvm-objdump --macho --all-headers %t/test_strong_weak_core | FileCheck %s -DDIR=%t --check-prefixes=WEAK-SYS,WEAK-FOO
 # RUN: %lld -lSystem -dylib %t/libfoo.dylib %t/weak-ref-only.o -o %t/weak-ref-only
 # RUN: llvm-objdump --macho --all-headers %t/weak-ref-only | FileCheck %s -DDIR=%t --check-prefixes=SYS,WEAK-FOO
 # RUN: %lld -lSystem -dylib %t/libfoo.dylib %t/weak-ref-sub-library.o -o %t/weak-ref-sub-library
@@ -22,6 +22,11 @@
 # RUN: %lld -lSystem -dylib %t/libfoo.dylib %t/mixed-ref.o -o %t/mixed-ref
 # RUN: llvm-objdump --macho --all-headers %t/mixed-ref | FileCheck %s -DDIR=%t --check-prefixes=SYS,FOO
 
+# RUN: %lld -framework CoreFoundation %t/test.o -weak_framework CoreFoundation -o %t/strong_weak_import.out
+# RUN: %lld -weak_framework CoreFoundation %t/test.o -framework CoreFoundation -o %t/weak_strong_import.out
+# RUN: llvm-objdump --macho --bind %t/strong_weak_import.out | FileCheck %s --check-prefix=WEAK-IMP
+# RUN: llvm-objdump --macho --bind %t/weak_strong_import.out | FileCheck %s --check-prefix=WEAK-IMP
+
 # WEAK-SYS:          cmd LC_LOAD_WEAK_DYLIB
 # WEAK-SYS-NEXT: cmdsize
 # WEAK-SYS-NEXT:    name /usr/lib/libSystem.dylib
@@ -42,6 +47,7 @@
 # FOO-NEXT:      cmdsize
 # FOO-NEXT:         name [[DIR]]/libfoo.dylib
 
+# WEAK-IMP: {{.+}} pointer         0 CoreFoundation   __CFBigNumGetInt128 (weak_import)
 #--- foo.s
 .globl _foo
 _foo:
@@ -69,4 +75,5 @@
 #--- test.s
 .globl _main
 _main:
+  movq __CFBigNumGetInt128@GOTPCREL(%rip), %rax        
   ret