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...ional Laboratory > > -- Hal Finkel Lead, Compiler Technology and Programming Languages Leadership Computing Facility Argonne National Laboratory -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180522/b86e8c91/attachment-0001.html>

It could save useless parsing in s/f/printf during runtime. E.g. for heavy "fprint"ing code like fprintf(f, "%s: %s", TAG, msg); I think it could be quite useful. After this transformation we would get fprintf(f, "ABC: %s", msg); --> We could save one push/mov instruction + less parsing in printf every time we call it. We would just replace string constant