[PATCH] D154205: [MachineLICM] Handle subloops

[JinGu Kang via Phabricator via llvm-commits]

jaykang10 updated this revision to Diff 541951.
jaykang10 added a comment.

Following @nikic's suggestion, If we fail to hoist MI to outmost loop and the MI is in subloop, try to hoist it to subloop's preheader.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D154205/new/

https://reviews.llvm.org/D154205

Files:
  llvm/lib/CodeGen/MachineLICM.cpp
  llvm/test/CodeGen/AArch64/machine-licm-sub-loop.ll
  llvm/test/CodeGen/AMDGPU/agpr-copy-no-free-registers.ll
  llvm/test/CodeGen/AMDGPU/optimize-negated-cond.ll
  llvm/test/CodeGen/AMDGPU/tuple-allocation-failure.ll
  llvm/test/CodeGen/Thumb2/mve-gather-scatter-optimisation.ll
  llvm/test/CodeGen/WebAssembly/reg-stackify.ll

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