[PATCH] D147448: [SimplifyCFG] Teach SinkCommonCodeFromPredecessors not to replace foldable GEPs with phi-nodes for sinking load/store.

[Yeting Kuo via Phabricator via llvm-commits]

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Currently, SinkCommonCodeFromPredecessors may sink load/store instructions whose
pointer operands are foldable GEPs and replacing those GEPs to phi-nodes if
needed. It's ineffecient if those GEPs could be folded to load/store for target.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D147448

Files:
  llvm/lib/Transforms/Utils/SimplifyCFG.cpp
  llvm/test/Transforms/PhaseOrdering/X86/earlycse-after-simplifycfg-two-entry-phi-node-folding.ll
  llvm/test/Transforms/SimplifyCFG/RISCV/sink-common-code.ll
  llvm/test/Transforms/SimplifyCFG/X86/sink-common-code.ll

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