[PATCH] D142783: [InstCombine][LV] Fold (add (zext (add X, -1)), 1) -> (zext X) if X is non-zero.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 493444.
craig.topper added a comment.

Remove sub test.
Add poison tests


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142783/new/

https://reviews.llvm.org/D142783

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
  llvm/test/Transforms/InstCombine/add.ll
  llvm/test/Transforms/LoopVectorize/AArch64/intrinsiccost.ll
  llvm/test/Transforms/LoopVectorize/X86/intrinsiccost.ll
  llvm/test/Transforms/LoopVectorize/X86/small-size.ll
  llvm/test/Transforms/LoopVectorize/float-induction.ll
  llvm/test/Transforms/LoopVectorize/if-conversion-nest.ll
  llvm/test/Transforms/LoopVectorize/runtime-check.ll

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