llvm-cov: Add support for gcov's --long-file-names option
GCOV provides an option to prepend output file names with the source
file name, to disambiguate between covered data that's included from
multiple sources. Add a flag to llvm-cov that does the same.
llvm-svn: 207035
diff --git a/llvm/test/tools/llvm-cov/llvm-cov.test b/llvm/test/tools/llvm-cov/llvm-cov.test
index 19d3e5d..8457aef 100644
--- a/llvm/test/tools/llvm-cov/llvm-cov.test
+++ b/llvm/test/tools/llvm-cov/llvm-cov.test
@@ -43,6 +43,16 @@
RUN: diff -aub test_paths.cpp.gcov test.cpp.gcov
RUN: diff -aub test_paths.h.gcov test.h.gcov
+# Long file names.
+RUN: llvm-cov -l test_paths.cpp | diff -u test_long_file_names.output -
+RUN: diff -aub test_paths.cpp.gcov test_paths.cpp##test.cpp.gcov
+RUN: diff -aub test_paths.h.gcov test_paths.cpp##test.h.gcov
+
+# Long file names and preserve paths.
+RUN: llvm-cov -lp -gcno test_paths.gcno -gcda test_paths.gcda srcdir/../test_paths.cpp | diff -u test_long_paths.output -
+RUN: diff -aub test_paths.cpp.gcov srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.cpp.gcov
+RUN: diff -aub test_paths.h.gcov srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.h.gcov
+
# Function summaries. This changes stdout, but not the gcov files.
RUN: llvm-cov test.c -f | diff -u test_-f.output -
RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov