1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // TODO: Investigate
10 // XFAIL: msvc
11
12 // Test that we encode whether exceptions are supported in an ABI tag to avoid
13 // ODR violations when linking TUs that have different values for it.
14
15 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DTU1 -fno-exceptions -o %t.tu1.o
16 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DTU2 -fexceptions -o %t.tu2.o
17 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DMAIN -o %t.main.o
18 // RUN: %{cxx} %t.tu1.o %t.tu2.o %t.main.o %{flags} %{link_flags} -o %t.exe
19 // RUN: %{exec} %t.exe
20
21 // -fno-exceptions
22 #ifdef TU1
23 # include <__config>
f()24 _LIBCPP_HIDE_FROM_ABI inline int f() { return 1; }
tu1()25 int tu1() { return f(); }
26 #endif // TU1
27
28 // -fexceptions
29 #ifdef TU2
30 # include <__config>
f()31 _LIBCPP_HIDE_FROM_ABI inline int f() { return 2; }
tu2()32 int tu2() { return f(); }
33 #endif // TU2
34
35 #ifdef MAIN
36 # include <cassert>
37
38 int tu1();
39 int tu2();
40
main(int,char **)41 int main(int, char**) {
42 assert(tu1() == 1);
43 assert(tu2() == 2);
44 return 0;
45 }
46 #endif // MAIN
47