[PATCH] D113872: [CGP] Handle select instructions relying on the same condition

[Kai Luo via Phabricator via llvm-commits]

lkail added a comment.

> Are we trying to prevent simplifycfg from making transformations, or to instead trick it into transforming the patteren?

Trying to prevent simplifycfg from making branch -> select transformation. Sometimes, the cost to calculate both true operand and false operand of a `select` instruction is larger than branching.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D113872/new/

https://reviews.llvm.org/D113872