1 // Test output from -module-file-info about C++20 modules.
2 
3 // RUN: rm -rf %t
4 // RUN: mkdir -p %t
5 // RUN: split-file %s %t
6 
7 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu1.cpp \
8 // RUN:  -o %t/A.pcm
9 
10 // RUN: %clang_cc1 -std=c++20 -module-file-info %t/A.pcm | FileCheck \
11 // RUN:  --check-prefix=CHECK-A %s
12 
13 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu2.cpp \
14 // RUN:  -o %t/B.pcm
15 
16 // RUN: %clang_cc1 -std=c++20 -module-file-info %t/B.pcm | FileCheck \
17 // RUN:  --check-prefix=CHECK-B %s
18 
19 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu3.cpp \
20 // RUN:  -fmodule-file=%t/A.pcm -fmodule-file=%t/B.pcm -o %t/Foo.pcm
21 
22 // RUN: %clang_cc1 -std=c++20 -module-file-info %t/Foo.pcm | FileCheck \
23 // RUN:  --check-prefix=CHECK-FOO %s
24 
25 // expected-no-diagnostics
26 
27 //--- mod-info-tu1.cpp
28 export module A;
29 
30 void a();
31 
32 // CHECK-A: ====== C++20
33 // CHECK-A-NEXT: Interface Unit 'A' is the Primary Module at index #1
34 
35 //--- mod-info-tu2.cpp
36 export module B;
37 
38 void b();
39 
40 // CHECK-B: ====== C++20
41 // CHECK-B-NEXT: Interface Unit 'B' is the Primary Module at index #1
42 
43 //--- mod-info-tu3.cpp
44 module;
45 
46 export module Foo;
47 
48 import A;
49 export import B;
50 
51 namespace hello {
52 export void say(const char *);
53 }
54 
55 void foo() {}
56 
57 // CHECK-FOO: ====== C++20
58 // CHECK-FOO-NEXT:  Interface Unit 'Foo' is the Primary Module at index #3
59 // CHECK-FOO-NEXT:   Sub Modules:
60 // CHECK-FOO-NEXT:    Global Module Fragment '<global>' is at index #4
61 // CHECK-FOO-NEXT:   Imports:
62 // CHECK-FOO-NEXT:    Interface Unit 'A' is at index #1
63 // CHECK-FOO-NEXT:   Exports:
64 // CHECK-FOO-NEXT:    Interface Unit 'B' is at index #2
65