[PATCH] D158503: [CGP] Remove dead PHI nodes before elimination of mostly empty blocks

[Serguei Katkov via Phabricator via llvm-commits]

skatkov added a comment.

In D158503#4607337 <https://reviews.llvm.org/D158503#4607337>, @efriedma wrote:

> AArch64 changes look fine; it looks like atomic lowering is generating weird code that gets simplified here.  (It was mostly getting simplified anyway, but after register allocation, so the register couldn't be eliminated.)

Thank you, Eli for checking AARch64 changes!


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https://reviews.llvm.org/D158503