[PATCH] D133203: [TypePromotionPass] Don't treat phi's as ToPromote

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: avieira, samparker, samtebbs.
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This attempts to stop the type promotion pass transforming where it is not profitable, by not marking PhiNodes as ToPromote.


https://reviews.llvm.org/D133203

Files:
  llvm/lib/CodeGen/TypePromotion.cpp
  llvm/test/CodeGen/AArch64/atomic-ops.ll
  llvm/test/CodeGen/AArch64/cmpxchg-idioms.ll
  llvm/test/CodeGen/AArch64/typepromotion-cost.ll

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