[PATCH] D58210: [SelectionDAGLegalize] Improve promotion of CTLZ
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 14 14:30:27 PST 2019
spatel added a comment.
@jonpa - IIRC, some targets infinite loop if we always allow the generic trunc fold in DAGCombiner after legalization, but you might be able to constrain it using the existing TLI hooks:
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