[PATCH] D43256: [MBP] Move a latch block with conditional exit and multi predecessors to top of loop
David Li via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 15 09:52:36 PST 2018
davidxl added inline comments.
Comment at: test/CodeGen/X86/move_latch_to_loop_top.ll:38
This is not the optimal rotation for the loop. The optimal rotation should be
in which case there is one more fall through from true to latch.
I think the enhancement should shoot for getting the optimal layout.
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