[clang] [clang][nvlink-wrapper] Add support for opt-remarks command line options (PR #145200)

[Joseph Huber via cfe-commits]

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@@ -341,11 +341,23 @@ Expected<std::unique_ptr<lto::LTO>> createLTO(const ArgList &Args) {
   Conf.CPU = Args.getLastArgValue(OPT_arch);
   Conf.Options = codegen::InitTargetOptionsFromCodeGenFlags(Triple);
 
-  Conf.RemarksFilename = RemarksFilename;
-  Conf.RemarksPasses = RemarksPasses;
-  Conf.RemarksWithHotness = RemarksWithHotness;
+  if (auto *Arg = Args.getLastArg(OPT_opt_remarks_filename))
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jhuber6 wrote:

I'm pretty sure `getLastArgValue` accepts a default for this precise  reason.

https://github.com/llvm/llvm-project/pull/145200