[PATCH] D153202: [LSR] Return nullptr from getExpr if the result isn't invertible.

[Florian Hahn via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG3a57152d85e1: [LSR] Return nullptr from getExpr if the result isn't invertible. (authored by fhahn).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153202/new/

https://reviews.llvm.org/D153202

Files:
  llvm/include/llvm/Analysis/IVUsers.h
  llvm/lib/Analysis/IVUsers.cpp
  llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
  llvm/test/Transforms/LoopStrengthReduce/X86/pr62660-normalization-failure.ll
  llvm/test/Transforms/LoopStrengthReduce/scaling-factor-incompat-type.ll

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