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73 lines
2.6 KiB
Plaintext
73 lines
2.6 KiB
Plaintext
# Tests for compatibility between llvm-cov and gcov. These work by
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# comparing llvm-cov against reference outputs generated by gcov 4.2.
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# "cd" and globbing are unsupported in lit internal runner.
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REQUIRES: shell
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RUN: rm -rf %t
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RUN: mkdir %t
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RUN: cd %t
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RUN: cp %p/Inputs/test* .
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# Basic behaviour with no flags
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RUN: llvm-cov test.c | diff -u test_no_options.output -
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RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_no_options.h.gcov test.h.gcov
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# Same, but specifying the object directory
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RUN: mkdir -p %t/objdir
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RUN: cp test.gcno test.gcda %t/objdir
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RUN: llvm-cov -o objdir test.c | diff -u test_no_options.output -
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RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_objdir.h.gcov test.h.gcov
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# Function summaries. This changes stdout, but not the gcov files.
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RUN: llvm-cov test.c -f | diff -u test_-f.output -
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RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_no_options.h.gcov test.h.gcov
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# All blocks. This doesn't affect stdout, only the gcov files.
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RUN: llvm-cov test.c -a | diff -u test_no_options.output -
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RUN: diff -aub test_-a.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a.h.gcov test.h.gcov
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# Branch probabilities.
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RUN: llvm-cov test.c -a -b | diff -u test_-b.output -
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RUN: diff -aub test_-a_-b.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a_-b.h.gcov test.h.gcov
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# Function summaries including branch probabilities.
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# FIXME: We don't correctly handle calls when -b and -f are used
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# together, so our output differs from gcov. Remove the 'not' from
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# this test once this is fixed.
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RUN: llvm-cov test.c -a -b -f | not diff -u test_-b_-f.output - >/dev/null
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RUN: diff -aub test_-a_-b.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a_-b.h.gcov test.h.gcov
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# Summarize unconditional branches too.
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RUN: llvm-cov test.c -a -b -u | diff -u test_-b.output -
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RUN: diff -aub test_-a_-b_-u.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a_-b_-u.h.gcov test.h.gcov
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# Absolute counts for branches.
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RUN: llvm-cov test.c -a -b -c -u | diff -u test_-b.output -
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RUN: diff -aub test_-a_-b_-c_-u.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a_-b_-c_-u.h.gcov test.h.gcov
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# Missing gcda file just gives 0 counts.
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RUN: llvm-cov test.c -gcda=no_such_gcda_file | diff -u test_no_gcda.output -
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RUN: diff -aub test_no_gcda.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_no_gcda.h.gcov test.h.gcov
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# Invalid gcno file.
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RUN: not llvm-cov test.c -gcno=test_read_fail.gcno
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# Bad file checksum on gcda.
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RUN: not llvm-cov test.c -gcda=test_file_checksum_fail.gcda
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# Bad function checksum on gcda
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RUN: not llvm-cov test.c -gcda=test_func_checksum_fail.gcda
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XFAIL: powerpc64, s390x, mips, sparc
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