[PATCH] D60020: [DAGCombiner][X86] Canonicalize SSUBO with immediate RHS to SADDO by negating the immediate.

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

In D60020#1449271 <https://reviews.llvm.org/D60020#1449271>, @spatel wrote:

> cc @lebedev.ri @nikic @dlrobertson - do we have a patch proposal for this transform in IR? (I'm not finding it now.)


Don't think we have a patch open for this yet, but @dlrobertson added some tests for this transform in D59653 <https://reviews.llvm.org/D59653> already, so probably the instcombine patch will come as well...


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https://reviews.llvm.org/D60020