llvm-cov: Handle missing source files as GCOV does
If the source files referenced by a gcno file are missing, gcov
outputs a coverage file where every line is simply /*EOF*/. This also
occurs for lines in the coverage that are past the end of a file that
is found.
This change mimics gcov.
llvm-svn: 208149
diff --git a/llvm/test/tools/llvm-cov/Inputs/test_missing.h.gcov b/llvm/test/tools/llvm-cov/Inputs/test_missing.h.gcov
new file mode 100644
index 0000000..d500e86
--- /dev/null
+++ b/llvm/test/tools/llvm-cov/Inputs/test_missing.h.gcov
@@ -0,0 +1,6 @@
+ -: 0:Source:srcdir/./nested_dir/../test.h
+ -: 0:Graph:test_paths.gcno
+ -: 0:Data:test_paths.gcda
+ -: 0:Runs:3
+ -: 0:Programs:1
+ 6: 1:/*EOF*/