[PATCH] D107180: [InstCombine] Prevent unnecessary sinks caused by the Freeze

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D107180#2917924 <https://reviews.llvm.org/D107180#2917924>, @aqjune wrote:

> As suggested, finding a common dominator and sinking the instruction to the location seems reasonable and worth trying.
> It will help reduce the diff at line 3866~, I hope.
> If `DT` is null, fallback to the old one use check?

DT can not be null here


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https://reviews.llvm.org/D107180