[PATCH] D72404: [ThinLTO/FullLTO] Support Os and Oz

[Ayke via Phabricator via cfe-commits]

aykevl added a comment.

@mehdi_amini thanks for explaining! D119342 <https://reviews.llvm.org/D119342> moves slightly closer to removing SizeLevel from the pass pipeline setup.

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In other news, I found a workaround that can be used to avoid the size increase due to LoopRotate (until D119342 <https://reviews.llvm.org/D119342> is merged). Basically, just pass the flags `-mllvm --rotation-max-header-size=0` to ld.lld when compiling with `-Oz`.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D72404/new/

https://reviews.llvm.org/D72404