[PATCH] D81728: [InstCombine] Add target-specific inst combining

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D81728#2111901 <https://reviews.llvm.org/D81728#2111901>, @craig.topper wrote:

> As far as I know and I might be wrong, but TargetTransformInfo up til now has only provided information. It doesn't do any transforms itself. Is adding transforms to it the right thing to do?


This isn't strictly true. I recently added rewriteIntrinsicWithAddressSpace for example


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