xref: /llvm-project/clang/test/Modules/codegen-visibility.cpp (revision d3b75c4750673b6d0d8a224f02b2c0885209a49a)
1 // Test that modules with different visibility mode can be shared.
2 // REQUIRES: aarch64-registered-target
3 
4 // RUN: rm -rf %t && mkdir %t
5 // RUN: split-file %s %t
6 
7 // RUN: %clang_cc1 -triple arm64e-apple-macos -x c++ -fvisibility=default -fmodules-codegen -fmodules -emit-module -fmodule-name=foo %t/foo.modulemap -o %t/foo.pcm
8 
9 // RUN: %clang_cc1 -emit-llvm %t/foo.pcm -o - | FileCheck %s --check-prefix=DEF
10 // RUN: %clang_cc1 -triple arm64e-apple-macos -x c++ -fvisibility=hidden -fmodules -fmodule-file=%t/foo.pcm -I%t -emit-llvm %t/test.cpp -o - | FileCheck %s --check-prefixes=USE
11 
12 // DEF: define void @_Z2f4v()
13 // DEF: define weak_odr void @_Z2f3v()
14 
15 // USE: define hidden void @_Z4testv()
16 // USE: declare void @_Z2f1v()
17 // USE: define internal void @_ZL2f2v()
18 // USE: declare void @_Z2f3v()
19 // USE: declare void @_Z2f4v()
20 
21 
22 //--- foo.h
23 void f1();
f2()24 static void f2() {}
f3()25 inline void f3() {}
f4()26 void f4() {}
27 
28 //--- test.cpp
29 #include "foo.h"
30 
test()31 void test() {
32   f1();
33   f2();
34   f3();
35   f4();
36 }
37 
38 //--- foo.modulemap
39 module foo { header "foo.h" }
40 
41