[PATCH] D28625: [InstCombine] try to shrink bitwise logic with phi operand
Eli Friedman via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 16 14:56:39 PST 2017
efriedma added a comment.
Would it be possible to come up with some more general optimization? Making integer operations in loops narrower can be useful (for vectorization etc.), but specifically special-casing a boolean "or" reduction doesn't seem like something that will trigger frequently enough to matter.
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