[PATCH] D142240: [LSR] Generalize one aspect of terminator folding (recently introduced in D132443)

[Philip Reames via Phabricator via llvm-commits]

reames created this revision.
reames added reviewers: eopXD, craig.topper.
Herald added subscribers: bollu, hiraditya, mcrosier.
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reames requested review of this revision.
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There's no need to require the start value to come directly from the loop predecessor.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142240

Files:
  llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
  llvm/test/Transforms/LoopStrengthReduce/lsr-term-fold-negative-testcase.ll
  llvm/test/Transforms/LoopStrengthReduce/lsr-term-fold.ll

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