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# Test fails on Windows where internal shell is used due to path separator 5# mismatches. 6REQUIRES: shell 7 8RUN: rm -rf %t 9RUN: mkdir %t 10RUN: cd %t 11RUN: cp %p/Inputs/test* . 12 13# Basic behaviour with no flags 14RUN: llvm-cov gcov test.c | diff -u test_no_options.output - 15RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov 16RUN: diff -aub test_no_options.h.gcov test.h.gcov 17 18# Same, but specifying the object directory 19RUN: mkdir -p %t/objdir 20RUN: cp test.gcno test.gcda %t/objdir 21RUN: llvm-cov gcov -o objdir test.c | diff -u test_no_options.output - 22RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov 23RUN: diff -aub test_objdir.h.gcov test.h.gcov 24 25# Specifying an object file 26RUN: llvm-cov gcov -o objdir/test.o test.c | diff -u test_no_options.output - 27RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov 28RUN: diff -aub test_objdir.h.gcov test.h.gcov 29 30# Specifying an object file that could be ambiguous with a directory 31RUN: llvm-cov gcov -o objdir/test test.c | diff -u test_no_options.output - 32RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov 33RUN: diff -aub test_objdir.h.gcov test.h.gcov 34 35# With gcov output disabled 36RUN: llvm-cov gcov -n test.c | diff -u test_no_output.output - 37 38# Missing source files. This test is fragile, as it depends on being 39# run before we copy some sources into place in the next test. 40RUN: llvm-cov gcov test_paths.cpp 2>/dev/null | diff -u test_missing.output - 41RUN: diff -aub test_missing.cpp.gcov test.cpp.gcov 42RUN: diff -aub test_missing.h.gcov test.h.gcov 43 44# Preserve paths. This mangles the output filenames. 45RUN: mkdir -p %t/srcdir/nested_dir 46RUN: cp test.cpp test.h %t/srcdir 47RUN: llvm-cov gcov -p test_paths.cpp | diff -u test_preserve_paths.output - 48RUN: diff -aub test_paths.cpp.gcov srcdir#nested_dir#^#test.cpp.gcov 49RUN: diff -aub test_paths.h.gcov srcdir#nested_dir#^#test.h.gcov 50 51# Don't preserve paths. Same results as preserve paths, but no mangling. 52RUN: llvm-cov gcov test_paths.cpp | diff -u test_no_preserve_paths.output - 53RUN: diff -aub test_paths.cpp.gcov test.cpp.gcov 54RUN: diff -aub test_paths.h.gcov test.h.gcov 55 56# Long file names. 57RUN: llvm-cov gcov -l test_paths.cpp | diff -u test_long_file_names.output - 58RUN: diff -aub test_paths.cpp.gcov test_paths.cpp##test.cpp.gcov 59RUN: diff -aub test_paths.h.gcov test_paths.cpp##test.h.gcov 60 61# Long file names and preserve paths. 62RUN: llvm-cov gcov -lp -gcno test_paths.gcno -gcda test_paths.gcda srcdir/../test_paths.cpp | diff -u test_long_paths.output - 63RUN: diff -aub test_paths.cpp.gcov srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.cpp.gcov 64RUN: diff -aub test_paths.h.gcov srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.h.gcov 65 66# Function summaries. This changes stdout, but not the gcov files. 67RUN: llvm-cov gcov test.c -f | diff -u test_-f.output - 68RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov 69RUN: diff -aub test_no_options.h.gcov test.h.gcov 70 71# All blocks. This doesn't affect stdout, only the gcov files. 72RUN: llvm-cov gcov test.c -a | diff -u test_no_options.output - 73RUN: diff -aub test_-a.cpp.gcov test.cpp.gcov 74RUN: diff -aub test_-a.h.gcov test.h.gcov 75 76# Branch probabilities. 77RUN: llvm-cov gcov test.c -a -b | diff -u test_-b.output - 78RUN: diff -aub test_-a_-b.cpp.gcov test.cpp.gcov 79RUN: diff -aub test_-a_-b.h.gcov test.h.gcov 80 81# Function summaries including branch probabilities. 82 83# FIXME: We don't correctly handle calls when -b and -f are used 84# together, so our output differs from gcov. Remove the 'not' from 85# this test once this is fixed. 86RUN: llvm-cov gcov test.c -a -b -f | not diff -u test_-b_-f.output - >/dev/null 87RUN: diff -aub test_-a_-b.cpp.gcov test.cpp.gcov 88RUN: diff -aub test_-a_-b.h.gcov test.h.gcov 89 90# Summarize unconditional branches too. 91RUN: llvm-cov gcov test.c -a -b -u | diff -u test_-b.output - 92RUN: diff -aub test_-a_-b_-u.cpp.gcov test.cpp.gcov 93RUN: diff -aub test_-a_-b_-u.h.gcov test.h.gcov 94 95# Absolute counts for branches. 96RUN: llvm-cov gcov test.c -a -b -c -u | diff -u test_-b.output - 97RUN: diff -aub test_-a_-b_-c_-u.cpp.gcov test.cpp.gcov 98RUN: diff -aub test_-a_-b_-c_-u.h.gcov test.h.gcov 99 100# Missing gcda file just gives 0 counts. 101RUN: llvm-cov gcov test.c -gcda=no_such_gcda_file | diff -u test_no_gcda.output - 102RUN: diff -aub test_no_gcda.cpp.gcov test.cpp.gcov 103RUN: diff -aub test_no_gcda.h.gcov test.h.gcov 104 105# Invalid gcno file. 106RUN: llvm-cov gcov test.c -gcno=test_read_fail.gcno 107 108# Bad file checksum on gcda. 109RUN: llvm-cov gcov test.c -gcda=test_file_checksum_fail.gcda 110 111# Bad function checksum on gcda 112RUN: llvm-cov gcov test.c -gcda=test_func_checksum_fail.gcda 113 114# Has arcs from exit blocks 115RUN: llvm-cov gcov test_exit_block_arcs.c 2>&1 | FileCheck %s -check-prefix=EXIT_BLOCK_ARCS 116EXIT_BLOCK_ARCS: (main) has arcs from exit block. 117 118XFAIL: powerpc-, powerpc64-, s390x, mips-, mips64-, sparc 119