Strange TLS-related x86_64 pattern (Re: [llvm-commits] [llvm] r107860)

[Eric Christopher]

Any thoughts what is going on here?   Is the above pattern actually needed?
> If so, does the operand number mismatch need to be fixed, or am I missing
> something here?
>

Hrm. Sorry for the delay, just noticed this in my email that I needed to
respond to...

It may not be possible to generate it, I think that pattern was only
supposed to
be enabled for far data, but as I said, it needs more tests. I was just
fixing it so
that the correct patterns would be matched for the test there.

I can't come up with any code off the top of my head that would get that
generated though, no.

-eric
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