[llvm-commits] [PATCH]Add fast path in gold plugin for ELF files

[Ivan Krasin]

HI llvm team!

The attached patch makes the diagnostics in gold-plugin a little bit
more precise
and adds a fast path for skipping non-bitcode files, if Gold version
supports get_view (i.e. gold is more-or-less recent). The latter is
important for two reasons:

- it's the common case for linking with the Gold plugin. It's good to
avoid creating heavy-weight Bitcode reader.
- after the change that has enabled these diagnostic messages, the
users have started to see warnings like "bfd plugin: Failed to create
LTO module: Invalid bitcode signature" which is definitely not
desirable.

OK to commit?

krasin
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