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