[PATCH] D97837: [InstCombine] Remove gc.relocate duplicates

[Serguei Katkov via Phabricator via llvm-commits]

skatkov added a comment.

> I think the solution with EarlyCSE supporting elimination of dup phi nodes seems more interesting...

My prototype to remove dup ph nodes does not work as a single pass due to BasicBlock processing order - not all predecessors are handled before processing phi node.
So EarlyCSE is a dead way without changing basic block processing order.


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https://reviews.llvm.org/D97837