[Driver] Use shared singleton instance of DriverOptTable
Summary:
This significantly reduces the time required to run clangd tests, by
~10%.
Should also have an effect on other tests that run command-line parsing
multiple times inside a single invocation.
Reviewers: gribozavr, sammccall
Reviewed By: sammccall
Subscribers: kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D67163
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@370908 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/modularize/Modularize.cpp b/modularize/Modularize.cpp
index e4bbb04..1905fdf 100644
--- a/modularize/Modularize.cpp
+++ b/modularize/Modularize.cpp
@@ -337,14 +337,13 @@
// Helper function for finding the input file in an arguments list.
static std::string findInputFile(const CommandLineArguments &CLArgs) {
- std::unique_ptr<OptTable> Opts(createDriverOptTable());
const unsigned IncludedFlagsBitmask = options::CC1Option;
unsigned MissingArgIndex, MissingArgCount;
SmallVector<const char *, 256> Argv;
for (auto I = CLArgs.begin(), E = CLArgs.end(); I != E; ++I)
Argv.push_back(I->c_str());
- InputArgList Args = Opts->ParseArgs(Argv, MissingArgIndex, MissingArgCount,
- IncludedFlagsBitmask);
+ InputArgList Args = getDriverOptTable().ParseArgs(
+ Argv, MissingArgIndex, MissingArgCount, IncludedFlagsBitmask);
std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT);
return ModularizeUtilities::getCanonicalPath(Inputs.back());
}
