[PATCH] D36296: BlockPlacement: add a flag to force cold block outlining w/o a profile.

[Richard Smith - zygoloid via Phabricator via llvm-commits]

rsmith added a comment.

FWIW, I see a 10% performance improvement on one of our internal benchmarks with this patch + force-precise-rotation-cost, compared to force-precise-rotation-cost alone.

I wrote a testcase that covers this flag in https://reviews.llvm.org/D36338


Repository:
  rL LLVM

https://reviews.llvm.org/D36296