[PATCH] D149548: [IR] Update to use new shufflevector semantics

[Ulrich Weigand via Phabricator via cfe-commits]

uweigand added a comment.

In D149548#4413639 <https://reviews.llvm.org/D149548#4413639>, @nlopes wrote:

> If a vector is fully initialized with `insertvector` (i.e., one operation per index), then the value of the base vector is irrelevant. It can be poison.
> Poison in vectors is element-wise. <poison, 42> doesn't propagate to <poison, poison>.

OK, that should be fine for SystemZ then.  Thanks!


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https://reviews.llvm.org/D149548