================
@@ -783,6 +783,28 @@ void tools::addLTOOptions(const ToolChain &ToolChain,
const ArgList &Args,
"-generate-arange-section"));
}
+ // Pass vector library arguments to LTO.
+ Arg *ArgVecLib = Args.getLastArg(options::OPT_fveclib);
+ if (ArgVecLib && ArgVecLib->getNumValues() == 1) {
+ // Map the vector library names from clang front-end to opt front-end. The
+ // values are taken from the TargetLibraryInfo class command line options.
+ std::optional<StringRef> OptVal =
+ llvm::StringSwitch<std::optional<StringRef>>(ArgVecLib->getValue())
----------------
paschalis-mpeis wrote:
Reusing code for mapping the strings is a great suggestion, however,
`TargetLibraryInfo` statically creates some `cl::opt` (command line options)
and I'm not sure ATM what would be a clean way to do this.
I would suggest such change (if is doable in a clean way) to be dealt in a
separate patch.
https://github.com/llvm/llvm-project/pull/78749
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