diff --git a/lld/MachO/InputFiles.cpp b/lld/MachO/InputFiles.cpp
--- a/lld/MachO/InputFiles.cpp
+++ b/lld/MachO/InputFiles.cpp
@@ -508,9 +508,16 @@
   if (!config->implicitDylibs)
     return false;
 
-  return path::parent_path(path) == "/usr/lib";
-  // TODO: check for public frameworks too. We'll need to implement
-  // -sub_umbrella first to write a test case.
+  if (path::parent_path(path) == "/usr/lib")
+    return true;
+
+  // Match /System/Library/Frameworks/$FOO.framework/**/$FOO
+  if (path.consume_front("/System/Library/Frameworks/")) {
+    StringRef frameworkName = path.take_until([](char c) { return c == '.'; });
+    return path::filename(path) == frameworkName;
+  }
+
+  return false;
 }
 
 void loadReexport(StringRef path, DylibFile *umbrella) {
diff --git a/lld/test/MachO/implicit-dylibs.s b/lld/test/MachO/implicit-dylibs.s
--- a/lld/test/MachO/implicit-dylibs.s
+++ b/lld/test/MachO/implicit-dylibs.s
@@ -3,10 +3,16 @@
 # UNSUPPORTED: system-windows
 # RUN: rm -rf %t; split-file %s %t
 # RUN: mkdir -p %t/usr/lib/system
+# RUN: mkdir -p %t/System/Library/Frameworks/Foo.framework/Versions/A
+# RUN: mkdir -p %t/System/Library/Frameworks/Foo.framework/Frameworks/Bar.framework/Versions/A
+# RUN: mkdir -p %t/Baz.framework/Versions/A
 
 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libfoo.s -o %t/libfoo.o
 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libtoplevel.s -o %t/libtoplevel.o
 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libsublevel.s -o %t/libsublevel.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/framework-foo.s -o %t/framework-foo.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/framework-bar.s -o %t/framework-bar.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/framework-baz.s -o %t/framework-baz.o
 ## libunused will be used to verify that we load implicit dylibs even if we
 ## don't use any symbols they contain.
 # RUN: echo "" | llvm-mc -filetype=obj -triple=x86_64-apple-darwin -o %t/libunused.o
@@ -16,10 +22,28 @@
 # RUN: %lld -dylib -lSystem %t/libtoplevel.o -o %t/usr/lib/libtoplevel.dylib -install_name /usr/lib/libtoplevel.dylib
 # RUN: %lld -dylib -lSystem %t/libsublevel.o -o %t/usr/lib/system/libsublevel.dylib -install_name /usr/lib/system/libsublevel.dylib
 # RUN: %lld -dylib -lSystem %t/libunused.o -o %t/usr/lib/libunused.dylib -install_name /usr/lib/libunused.dylib
-# RUN: %lld -dylib -syslibroot %t \
+
+## Bar.framework is nested within Foo.framework.
+# RUN: %lld -dylib -lSystem %t/framework-baz.o -o %t/System/Library/Frameworks/Foo.framework/Frameworks/Bar.framework/Versions/A/Bar \
+# RUN:   -install_name /System/Library/Frameworks/Foo.framework/Frameworks/Bar.framework/Versions/A/Bar
+# RUN: ln -sf %t/System/Library/Frameworks/Foo.framework/Frameworks/Bar.framework/Versions/A/Bar \
+# RUN:   %t/System/Library/Frameworks/Foo.framework/Frameworks/Bar.framework/Bar
+
+## Have Foo re-export Bar.
+# RUN: %lld -dylib -F %t/System/Library/Frameworks/Foo.framework/Frameworks \
+# RUN:   -framework Bar -sub_umbrella Bar -lSystem %t/framework-foo.o -o %t/System/Library/Frameworks/Foo.framework/Versions/A/Foo \
+# RUN:   -install_name /System/Library/Frameworks/Foo.framework/Versions/A/Foo
+# RUN: ln -sf %t/System/Library/Frameworks/Foo.framework/Versions/A/Foo %t/System/Library/Frameworks/Foo.framework/Foo
+
+# RUN: %lld -dylib -lSystem %t/framework-bar.o -o %t/Baz.framework/Versions/A/Baz \
+# RUN:   -install_name %t/Baz.framework/Versions/A/Baz
+# RUN: ln -sf %t/Baz.framework/Versions/A/Baz %t/Baz.framework/Baz
+
+# RUN: %lld -dylib -syslibroot %t -framework Foo -F %t -framework Baz \
 # RUN:   -lc++ -ltoplevel -lunused %t/usr/lib/system/libsublevel.dylib %t/libfoo.dylib \
 # RUN:   -sub_library libc++ -sub_library libfoo -sub_library libtoplevel \
 # RUN:   -sub_library libsublevel -sub_library libunused \
+# RUN:   -sub_umbrella Baz -sub_umbrella Foo \
 # RUN:   %t/reexporter.o -o %t/libreexporter.dylib
 
 # RUN: llvm-mc -filetype obj -triple x86_64-apple-darwin %t/test.s -o %t/test.o
@@ -29,6 +53,9 @@
 # CHECK-DAG: __DATA __data {{.*}} pointer 0 libreexporter _foo
 # CHECK-DAG: __DATA __data {{.*}} pointer 0 libtoplevel   _toplevel
 # CHECK-DAG: __DATA __data {{.*}} pointer 0 libreexporter _sublevel
+# CHECK-DAG: __DATA __data {{.*}} pointer 0 Foo           _framework_foo
+# CHECK-DAG: __DATA __data {{.*}} pointer 0 libreexporter _framework_bar
+# CHECK-DAG: __DATA __data {{.*}} pointer 0 libreexporter _framework_baz
 # CHECK-DAG: __DATA __data {{.*}} pointer 0 libc++abi     ___gxx_personality_v0
 
 # RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s \
@@ -43,6 +70,9 @@
 # LOAD-NEXT:    name /usr/lib/libSystem.B.dylib
 # LOAD:          cmd LC_LOAD_DYLIB
 # LOAD-NEXT: cmdsize
+# LOAD-NEXT:    name /System/Library/Frameworks/Foo.framework/Versions/A/Foo
+# LOAD:          cmd LC_LOAD_DYLIB
+# LOAD-NEXT: cmdsize
 # LOAD-NEXT:    name /usr/lib/libc++abi.dylib
 # LOAD:          cmd LC_LOAD_DYLIB
 # LOAD-NEXT: cmdsize
@@ -63,6 +93,9 @@
 # NO-IMPLICIT-DAG: __DATA __data {{.*}} pointer 0 libreexporter _foo
 # NO-IMPLICIT-DAG: __DATA __data {{.*}} pointer 0 libreexporter _toplevel
 # NO-IMPLICIT-DAG: __DATA __data {{.*}} pointer 0 libreexporter _sublevel
+# NO-IMPLICIT-DAG: __DATA __data {{.*}} pointer 0 libreexporter _framework_foo
+# NO-IMPLICIT-DAG: __DATA __data {{.*}} pointer 0 libreexporter _framework_bar
+# NO-IMPLICIT-DAG: __DATA __data {{.*}} pointer 0 libreexporter _framework_baz
 # NO-IMPLICIT-DAG: __DATA __data {{.*}} pointer 0 libreexporter ___gxx_personality_v0
 
 #--- libfoo.s
@@ -80,6 +113,21 @@
 .globl _sublevel
 _sublevel:
 
+#--- framework-foo.s
+.data
+.globl _framework_foo
+_framework_foo:
+
+#--- framework-bar.s
+.data
+.globl _framework_bar
+_framework_bar:
+
+#--- framework-baz.s
+.data
+.globl _framework_baz
+_framework_baz:
+
 #--- test.s
 .text
 .globl _main
@@ -91,4 +139,7 @@
   .quad _foo
   .quad _toplevel
   .quad _sublevel
+  .quad _framework_foo
+  .quad _framework_bar
+  .quad _framework_baz
   .quad ___gxx_personality_v0