[PATCH] D54285: [DAGCombiner] Enable tryToFoldExtendOfConstant to run between legalize vector ops and legalize DAG

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

DAGCombine can legalize operations even in the "AfterLegalizeDAG" phase; I don't think you need to check for AfterLegalizeDAG at all, unless you're trying to avoid a combining loop.


https://reviews.llvm.org/D54285