[llvm-cov] Read in function names for filtering from a text file.
Summary: Add a -name-whitelist option, which behaves in the same way as -name, but it reads in multiple function names from the given input file(s).
Reviewers: vsk
Reviewed By: vsk
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D37111
llvm-svn: 312227
diff --git a/llvm/tools/llvm-cov/CodeCoverage.cpp b/llvm/tools/llvm-cov/CodeCoverage.cpp
index e5878df..f75fcb8 100644
--- a/llvm/tools/llvm-cov/CodeCoverage.cpp
+++ b/llvm/tools/llvm-cov/CodeCoverage.cpp
@@ -150,6 +150,9 @@
std::mutex LoadedSourceFilesLock;
std::vector<std::pair<std::string, std::unique_ptr<MemoryBuffer>>>
LoadedSourceFiles;
+
+ /// Whitelist from -name-whitelist to be used for filtering.
+ std::unique_ptr<SpecialCaseList> NameWhitelist;
};
}
@@ -561,6 +564,12 @@
cl::desc("Show code coverage only for functions with the given name"),
cl::ZeroOrMore, cl::cat(FilteringCategory));
+ cl::list<std::string> NameFilterFiles(
+ "name-whitelist", cl::Optional,
+ cl::desc("Show code coverage only for functions listed in the given "
+ "file"),
+ cl::ZeroOrMore, cl::cat(FilteringCategory));
+
cl::list<std::string> NameRegexFilters(
"name-regex", cl::Optional,
cl::desc("Show code coverage only for functions that match the given "
@@ -643,11 +652,23 @@
ViewOpts.DemanglerOpts.swap(DemanglerOpts);
}
+ // Read in -name-whitelist files.
+ if (!NameFilterFiles.empty()) {
+ std::string SpecialCaseListErr;
+ NameWhitelist =
+ SpecialCaseList::create(NameFilterFiles, SpecialCaseListErr);
+ if (!NameWhitelist)
+ error(SpecialCaseListErr);
+ }
+
// Create the function filters
- if (!NameFilters.empty() || !NameRegexFilters.empty()) {
+ if (!NameFilters.empty() || NameWhitelist || !NameRegexFilters.empty()) {
auto NameFilterer = llvm::make_unique<CoverageFilters>();
for (const auto &Name : NameFilters)
NameFilterer->push_back(llvm::make_unique<NameCoverageFilter>(Name));
+ if (NameWhitelist)
+ NameFilterer->push_back(
+ llvm::make_unique<NameWhitelistCoverageFilter>(*NameWhitelist));
for (const auto &Regex : NameRegexFilters)
NameFilterer->push_back(
llvm::make_unique<NameRegexCoverageFilter>(Regex));