[PATCH] D33316: [SCEV] Do not fold dominated SCEVUnknown into AddRecExpr start

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev updated this revision to Diff 99884.
mkazantsev retitled this revision from "[SCEV] Do not fold expressions with SCEVUnknown Phis into AddRecExpr's" to "[SCEV] Do not fold dominated SCEVUnknown into AddRecExpr start".
mkazantsev edited the summary of this revision.

https://reviews.llvm.org/D33316

Files:
  lib/Analysis/ScalarEvolution.cpp
  test/Analysis/IVUsers/quadradic-exit-value.ll
  test/Analysis/ScalarEvolution/different-loops-recs.ll
  test/Transforms/LoopStrengthReduce/X86/incorrect-offset-scaling.ll
  test/Transforms/LoopStrengthReduce/lsr-expand-quadratic.ll
  test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll

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