[PATCH] D96485: [MachineSink] Add a loop sink limit

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer created this revision.
SjoerdMeijer added reviewers: samparker, dmgreen, shchenz.
Herald added a subscriber: hiraditya.
SjoerdMeijer requested review of this revision.
Herald added a project: LLVM.

To make sure compile-times don't regress, add an option to restrict the number of instructions considered for sinking as alias analysis can be expensive and for the same reason also skip large blocks.


https://reviews.llvm.org/D96485

Files:
  llvm/lib/CodeGen/MachineSink.cpp
  llvm/test/CodeGen/AArch64/loop-sink-limit.mir
  llvm/test/CodeGen/AArch64/loop-sink.mir

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