derek.holloway
7502bf64a4
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36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
// REQUIRES: osx-ld64-live_support
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// Compiling with PGO/code coverage on Darwin should raise no warnings or errors
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// when using an exports list.
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// 1) Check that using PGO/code coverage flags with an export list containing
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// just "_main" produces no warnings or errors.
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//
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// RUN: echo "_main" > %t.exports
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// RUN: %clang_pgogen -Werror -Wl,-exported_symbols_list,%t.exports -Wl,-w -o %t %s 2>&1 | tee %t.log
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// RUN: %clang_profgen -Werror -fcoverage-mapping -Wl,-exported_symbols_list,%t.exports -Wl,-w -o %t %s 2>&1 | tee -a %t.log
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// RUN: cat %t.log | count 0
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// 2) Ditto (1), but for GCOV.
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//
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// RUN: %clang -Werror -Wl,-exported_symbols_list,%t.exports -Wl,-w --coverage -o %t.gcov %s | tee -a %t.gcov.log
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// RUN: cat %t.gcov.log | count 0
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// 3) The default set of weak external symbols should match the set of symbols
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// exported by clang. See Darwin::addProfileRTLibs. This requirement was put in
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// place to support tapi binary verification.
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//
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// RUN: %clang_pgogen -Werror -o %t.default %s
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// RUN: nm -jUg %t.default | grep -v __mh_execute_header > %t.default.exports
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// RUN: nm -jUg %t | grep -v __mh_execute_header > %t.clang.exports
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// RUN: diff %t.default.exports %t.clang.exports
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// 4) Ditto (3), but for GCOV.
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//
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// RUN: %clang -Werror --coverage -o %t.gcov.default %s
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// RUN: nm -jUg %t.gcov | grep -v __mh_execute_header > %t.gcov.exports
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// RUN: nm -jUg %t.gcov.default | grep -v __mh_execute_header > %t.gcov.default.exports
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// RUN: diff %t.gcov.default.exports %t.gcov.exports
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int main() {}
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