[PATCH] D95632: [AArch64] Specify Tail Duplication Size Override

Dave Green via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 1 00:55:16 PST 2021


dmgreen added a comment.

Oh. It looks like there is already an aggressive limit. TailDuplicator is either used by itself or in MachineBlockPlacement. MachineBlockPlacement already sets the limit to 4 when optimizing aggressively. Would it work for your usecase to alter the value there based on the target instead?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95632/new/

https://reviews.llvm.org/D95632



More information about the llvm-commits mailing list