[PATCH] D108112: [LoopIdiom] Let LIR fold memset pointer / stride SCEV regarding loop guards

[Yueh-Ting Chen via Phabricator via llvm-commits]

eopXD updated this revision to Diff 393170.
eopXD added a comment.

Rename SCEVFolder to SCEVSignToZeroExtentionRewriter.
Add example with negative start.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108112/new/

https://reviews.llvm.org/D108112

Files:
  llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  llvm/test/Transforms/LoopIdiom/memset-runtime-32bit.ll
  llvm/test/Transforms/LoopIdiom/memset-runtime-64bit.ll
  llvm/test/Transforms/LoopIdiom/memset-runtime-debug.ll

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