1 files changed, 36 insertions, 0 deletions
diff --git a/test/Modules/ExtDebugInfo.m b/test/Modules/ExtDebugInfo.m
new file mode 100644
index 000000000000..8e063f09048d
--- /dev/null
+++ b/test/Modules/ExtDebugInfo.m
@@ -0,0 +1,36 @@
+// RUN: rm -rf %t
+// Test that only forward declarations are emitted for types defined in modules.
+
+// Modules:
+// RUN: %clang_cc1 -x objective-c -debug-info-kind=limited -dwarf-ext-refs -fmodules \
+// RUN:     -fmodule-format=obj -fimplicit-module-maps -DMODULES \
+// RUN:     -fmodules-cache-path=%t %s -I %S/Inputs -I %t -emit-llvm -o %t-mod.ll
+// RUN: cat %t-mod.ll |  FileCheck %s
+
+// PCH:
+// RUN: %clang_cc1 -x objective-c -fmodule-format=obj -emit-pch -I%S/Inputs \
+// RUN:     -o %t.pch %S/Inputs/DebugObjC.h
+// RUN: %clang_cc1 -x objective-c -debug-info-kind=limited -dwarf-ext-refs -fmodule-format=obj \
+// RUN:     -include-pch %t.pch %s -emit-llvm -o %t-pch.ll %s
+// RUN: cat %t-pch.ll |  FileCheck %s
+
+#ifdef MODULES
+@import DebugObjC;
+#endif
+
+int foo(ObjCClass *c) {
+  InnerEnum e = e0;
+  [c instanceMethodWithInt: 0];
+  return [c property];
+}
+
+// CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type,
+// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "ObjCClass",
+// CHECK-SAME:             scope: ![[MOD:[0-9]+]],
+// CHECK-SAME:             flags: DIFlagFwdDecl)
+// CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type,
+// CHECK: ![[MOD]] = !DIModule(scope: null, name: {{.*}}DebugObjC
+// CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type,
+// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
+// CHECK-SAME:             scope: ![[MOD]],
+// CHECK-SAME:             flags: DIFlagFwdDecl)