1 # Tests for compatibility between llvm-cov and gcov. These work by 2 # comparing llvm-cov against reference outputs generated by gcov 4.2. 3 4 # "cd" and globbing are unsupported in lit internal runner. 5 REQUIRES: shell 6 7 RUN: rm -rf %t 8 RUN: mkdir %t 9 RUN: cd %t 10 RUN: cp %p/Inputs/test* . 11 12 # Basic behaviour with no flags 13 RUN: llvm-cov test.c | diff -u test_no_options.output - 14 RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov 15 RUN: diff -aub test_no_options.h.gcov test.h.gcov 16 17 # Same, but specifying the object directory 18 RUN: mkdir -p %t/objdir 19 RUN: cp test.gcno test.gcda %t/objdir 20 RUN: llvm-cov -o objdir test.c | diff -u test_no_options.output - 21 RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov 22 RUN: diff -aub test_objdir.h.gcov test.h.gcov 23 24 # Specifying an object file 25 RUN: llvm-cov -o objdir/test.o test.c | diff -u test_no_options.output - 26 RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov 27 RUN: diff -aub test_objdir.h.gcov test.h.gcov 28 29 # Specifying an object file that could be ambiguous with a directory 30 RUN: llvm-cov -o objdir/test test.c | diff -u test_no_options.output - 31 RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov 32 RUN: diff -aub test_objdir.h.gcov test.h.gcov 33 34 # With gcov output disabled 35 RUN: llvm-cov -n test.c | diff -u test_no_output.output - 36 37 # Missing source files. This test is fragile, as it depends on being 38 # run before we copy some sources into place in the next test. 39 RUN: llvm-cov test_paths.cpp 2>/dev/null | diff -u test_missing.output - 40 RUN: diff -aub test_missing.cpp.gcov test.cpp.gcov 41 RUN: diff -aub test_missing.h.gcov test.h.gcov 42 43 # Preserve paths. This mangles the output filenames. 44 RUN: mkdir -p %t/srcdir/nested_dir 45 RUN: cp test.cpp test.h %t/srcdir 46 RUN: llvm-cov -p test_paths.cpp | diff -u test_preserve_paths.output - 47 RUN: diff -aub test_paths.cpp.gcov srcdir#nested_dir#^#test.cpp.gcov 48 RUN: diff -aub test_paths.h.gcov srcdir#nested_dir#^#test.h.gcov 49 50 # Don't preserve paths. Same results as preserve paths, but no mangling. 51 RUN: llvm-cov test_paths.cpp | diff -u test_no_preserve_paths.output - 52 RUN: diff -aub test_paths.cpp.gcov test.cpp.gcov 53 RUN: diff -aub test_paths.h.gcov test.h.gcov 54 55 # Long file names. 56 RUN: llvm-cov -l test_paths.cpp | diff -u test_long_file_names.output - 57 RUN: diff -aub test_paths.cpp.gcov test_paths.cpp##test.cpp.gcov 58 RUN: diff -aub test_paths.h.gcov test_paths.cpp##test.h.gcov 59 60 # Long file names and preserve paths. 61 RUN: llvm-cov -lp -gcno test_paths.gcno -gcda test_paths.gcda srcdir/../test_paths.cpp | diff -u test_long_paths.output - 62 RUN: diff -aub test_paths.cpp.gcov srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.cpp.gcov 63 RUN: diff -aub test_paths.h.gcov srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.h.gcov 64 65 # Function summaries. This changes stdout, but not the gcov files. 66 RUN: llvm-cov test.c -f | diff -u test_-f.output - 67 RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov 68 RUN: diff -aub test_no_options.h.gcov test.h.gcov 69 70 # All blocks. This doesn't affect stdout, only the gcov files. 71 RUN: llvm-cov test.c -a | diff -u test_no_options.output - 72 RUN: diff -aub test_-a.cpp.gcov test.cpp.gcov 73 RUN: diff -aub test_-a.h.gcov test.h.gcov 74 75 # Branch probabilities. 76 RUN: llvm-cov test.c -a -b | diff -u test_-b.output - 77 RUN: diff -aub test_-a_-b.cpp.gcov test.cpp.gcov 78 RUN: diff -aub test_-a_-b.h.gcov test.h.gcov 79 80 # Function summaries including branch probabilities. 81 82 # FIXME: We don't correctly handle calls when -b and -f are used 83 # together, so our output differs from gcov. Remove the 'not' from 84 # this test once this is fixed. 85 RUN: llvm-cov test.c -a -b -f | not diff -u test_-b_-f.output - >/dev/null 86 RUN: diff -aub test_-a_-b.cpp.gcov test.cpp.gcov 87 RUN: diff -aub test_-a_-b.h.gcov test.h.gcov 88 89 # Summarize unconditional branches too. 90 RUN: llvm-cov test.c -a -b -u | diff -u test_-b.output - 91 RUN: diff -aub test_-a_-b_-u.cpp.gcov test.cpp.gcov 92 RUN: diff -aub test_-a_-b_-u.h.gcov test.h.gcov 93 94 # Absolute counts for branches. 95 RUN: llvm-cov test.c -a -b -c -u | diff -u test_-b.output - 96 RUN: diff -aub test_-a_-b_-c_-u.cpp.gcov test.cpp.gcov 97 RUN: diff -aub test_-a_-b_-c_-u.h.gcov test.h.gcov 98 99 # Missing gcda file just gives 0 counts. 100 RUN: llvm-cov test.c -gcda=no_such_gcda_file | diff -u test_no_gcda.output - 101 RUN: diff -aub test_no_gcda.cpp.gcov test.cpp.gcov 102 RUN: diff -aub test_no_gcda.h.gcov test.h.gcov 103 104 # Invalid gcno file. 105 RUN: llvm-cov test.c -gcno=test_read_fail.gcno 106 107 # Bad file checksum on gcda. 108 RUN: llvm-cov test.c -gcda=test_file_checksum_fail.gcda 109 110 # Bad function checksum on gcda 111 RUN: llvm-cov test.c -gcda=test_func_checksum_fail.gcda 112 113 XFAIL: powerpc64-, s390x, mips-, mips64-, sparc 114
