[PATCH] D77560: [SCEV] don't try to query getSCEV() for incomplete PHIs

[ChenZheng via Phabricator via llvm-commits]

shchenz updated this revision to Diff 281576.
shchenz added a comment.

address @lebedev.ri comments:
1: use right way to identify an incomplete phi node


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77560/new/

https://reviews.llvm.org/D77560

Files:
  llvm/include/llvm/IR/Instructions.h
  llvm/lib/IR/Instructions.cpp
  llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
  llvm/test/Transforms/LoopStrengthReduce/Power/lit.local.cfg
  llvm/test/Transforms/LoopStrengthReduce/Power/phi-unknownscev.ll

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