xref: /llvm-project/clang/test/Modules/merge-objc-interface.m (revision 7793e676514bc102e97a993e90257e8628069a8b) 
1// UNSUPPORTED: target={{.*}}-zos{{.*}}, target={{.*}}-aix{{.*}}
2// RUN: rm -rf %t
3// RUN: split-file %s %t
4// RUN: %clang_cc1 -emit-llvm -o %t/test.bc -F%t/Frameworks %t/test.m \
5// RUN:            -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache
6// RUN: %clang_cc1 -emit-llvm -o %t/test.bc -F%t/Frameworks %t/test-functions.m \
7// RUN:            -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache
8
9// Test a case when Objective-C interface ivars are present in two different modules.
10
11//--- Frameworks/Foundation.framework/Headers/Foundation.h
12@interface NSObject
13@end
14
15//--- Frameworks/Foundation.framework/Modules/module.modulemap
16framework module Foundation {
17  header "Foundation.h"
18  export *
19}
20
21//--- Frameworks/ObjCInterface.framework/Headers/ObjCInterface.h
22#import <Foundation/Foundation.h>
23@interface ObjCInterface : NSObject {
24@public
25  id _item;
26}
27@end
28
29@interface WithBitFields : NSObject {
30@public
31  int x: 3;
32  int y: 4;
33}
34@end
35
36//--- Frameworks/ObjCInterface.framework/Modules/module.modulemap
37framework module ObjCInterface {
38  header "ObjCInterface.h"
39  export *
40}
41
42//--- Frameworks/ObjCInterfaceCopy.framework/Headers/ObjCInterfaceCopy.h
43#import <Foundation/Foundation.h>
44@interface ObjCInterface : NSObject {
45@public
46  id _item;
47}
48@end
49
50@interface WithBitFields : NSObject {
51@public
52  int x: 3;
53  int y: 4;
54}
55@end
56
57// Inlined function present only in Copy.framework to make sure it uses decls from Copy module.
58__attribute__((always_inline)) void inlinedIVarAccessor(ObjCInterface *obj, WithBitFields *bitFields) {
59  obj->_item = 0;
60  bitFields->x = 0;
61}
62
63//--- Frameworks/ObjCInterfaceCopy.framework/Modules/module.modulemap
64framework module ObjCInterfaceCopy {
65  header "ObjCInterfaceCopy.h"
66  export *
67}
68
69//--- test.m
70#import <ObjCInterface/ObjCInterface.h>
71#import <ObjCInterfaceCopy/ObjCInterfaceCopy.h>
72
73@implementation ObjCInterface
74- (void)test:(id)item {
75  _item = item;
76}
77@end
78
79@implementation WithBitFields
80- (void)reset {
81  x = 0;
82  y = 0;
83}
84@end
85
86//--- test-functions.m
87#import <ObjCInterface/ObjCInterface.h>
88
89void testAccessIVar(ObjCInterface *obj, id item) {
90  obj->_item = item;
91}
92void testAccessBitField(WithBitFields *obj) {
93  obj->x = 0;
94}
95
96#import <ObjCInterfaceCopy/ObjCInterfaceCopy.h>
97
98void testAccessIVarLater(ObjCInterface *obj, id item) {
99  obj->_item = item;
100}
101void testAccessBitFieldLater(WithBitFields *obj) {
102  obj->y = 0;
103}
104void testInlinedFunction(ObjCInterface *obj, WithBitFields *bitFields) {
105  inlinedIVarAccessor(obj, bitFields);
106}
107