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      1 // RUN: rm -rf %t
      2 // Test that only forward declarations are emitted for types defined in modules.
      3 
      4 // Modules:
      5 // RUN: %clang_cc1 -x objective-c -debug-info-kind=limited -dwarf-ext-refs -fmodules \
      6 // RUN:     -fmodule-format=obj -fimplicit-module-maps -DMODULES \
      7 // RUN:     -fmodules-cache-path=%t %s -I %S/Inputs -I %t -emit-llvm -o %t-mod.ll
      8 // RUN: cat %t-mod.ll |  FileCheck %s
      9 
     10 // PCH:
     11 // RUN: %clang_cc1 -x objective-c -fmodule-format=obj -emit-pch -I%S/Inputs \
     12 // RUN:     -o %t.pch %S/Inputs/DebugObjC.h
     13 // RUN: %clang_cc1 -x objective-c -debug-info-kind=limited -dwarf-ext-refs -fmodule-format=obj \
     14 // RUN:     -include-pch %t.pch %s -emit-llvm -o %t-pch.ll %s
     15 // RUN: cat %t-pch.ll |  FileCheck %s
     16 
     17 #ifdef MODULES
     18 @import DebugObjC;
     19 #endif
     20 
     21 @implementation ObjCClassWithPrivateIVars {
     22   int hidden_ivar;
     23 }
     24 @end
     25 
     26 TypedefUnion tdu;
     27 TypedefEnum tde;
     28 TypedefStruct tds;
     29 
     30 int foo(ObjCClass *c) {
     31   InnerEnum e = e0;
     32   GlobalStruct.i = GlobalUnion.i = GlobalEnum;
     33   [c instanceMethodWithInt: 0];
     34   return [c property];
     35 }
     36 
     37 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "ObjCClassWithPrivateIVars",
     38 // CHECK-SAME:             flags: DIFlagObjcClassComplete
     39 
     40 // CHECK: ![[MOD:.*]] = !DIModule(scope: null, name: "DebugObjC
     41 
     42 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "hidden_ivar",
     43 // CHECK-SAME:           flags: DIFlagPrivate)
     44 
     45 // CHECK: !DIGlobalVariable(name: "GlobalUnion",
     46 // CHECK-SAME:              type: ![[GLOBAL_UNION:[0-9]+]]
     47 // CHECK: ![[GLOBAL_UNION]] = distinct !DICompositeType(tag: DW_TAG_union_type,
     48 // CHECK-SAME:                elements: !{{[0-9]+}})
     49 
     50 // CHECK: !DIGlobalVariable(name: "GlobalStruct",
     51 // CHECK-SAME:              type: ![[GLOBAL_STRUCT:[0-9]+]]
     52 // CHECK: ![[GLOBAL_STRUCT]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
     53 // CHECK-SAME:                elements: !{{[0-9]+}})
     54 
     55 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "TypedefUnion",
     56 // CHECK-SAME:           baseType: ![[TD_UNION:.*]])
     57 // CHECK: ![[TD_UNION]] = !DICompositeType(tag: DW_TAG_union_type,
     58 // CHECK-SAME:             flags: DIFlagFwdDecl)
     59 
     60 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "TypedefEnum",
     61 // CHECK-SAME:           baseType: ![[TD_ENUM:.*]])
     62 // CHECK: ![[TD_ENUM]] = !DICompositeType(tag: DW_TAG_enumeration_type,
     63 // CHECK-SAME:             flags: DIFlagFwdDecl)
     64 
     65 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "TypedefStruct",
     66 // CHECK-SAME:           baseType: ![[TD_STRUCT:.*]])
     67 // CHECK: ![[TD_STRUCT]] = !DICompositeType(tag: DW_TAG_structure_type,
     68 // CHECK-SAME:             flags: DIFlagFwdDecl)
     69 
     70 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "ObjCClass",
     71 // CHECK-SAME:             scope: ![[MOD]],
     72 // CHECK-SAME:             flags: DIFlagFwdDecl)
     73 
     74 // CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type,
     75 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
     76 // CHECK-SAME:             scope: ![[MOD]],
     77 // CHECK-SAME:             flags: DIFlagFwdDecl)
     78