1// REQUIRES: osx-ld64-live_support
2
3// Compiling with PGO/code coverage on Darwin should raise no warnings or errors
4// when using an exports list.
5
6// 1) Check that using PGO/code coverage flags with an export list containing
7// just "_main" produces no warnings or errors.
8//
9// RUN: echo "_main" > %t.exports
10// RUN: %clang_pgogen -Werror -Wl,-exported_symbols_list,%t.exports -o %t %s 2>&1 | tee %t.log
11// RUN: %clang_profgen -Werror -fcoverage-mapping -Wl,-exported_symbols_list,%t.exports -o %t %s 2>&1 | tee -a %t.log
12// RUN: cat %t.log | count 0
13
14// 2) Ditto (1), but for GCOV.
15//
16// RUN: %clang -Werror -Wl,-exported_symbols_list,%t.exports --coverage -o %t.gcov %s | tee -a %t.gcov.log
17// RUN: cat %t.gcov.log | count 0
18
19// 3) The default set of weak external symbols should match the set of symbols
20// exported by clang. See Darwin::addProfileRTLibs. This requirement was put in
21// place to support tapi binary verification.
22//
23// RUN: %clang_pgogen -Werror -o %t.default %s
24// RUN: nm -jUg %t.default | grep -v __mh_execute_header > %t.default.exports
25// RUN: nm -jUg %t > %t.clang.exports
26// RUN: diff %t.default.exports %t.clang.exports
27
28// 4) Ditto (3), but for GCOV.
29//
30// RUN: %clang -Werror --coverage -o %t.gcov.default %s
31// RUN: nm -jUg %t.gcov | grep -v __mh_execute_header > %t.gcov.exports
32// RUN: nm -jUg %t.gcov.default | grep -v __mh_execute_header > %t.gcov.default.exports
33// RUN: diff %t.gcov.default.exports %t.gcov.exports
34
35int main() {}
36