[PATCH] D149544: [InstSimplify] Update to handle new shufflevector semantics

[Manuel Brito via Phabricator via llvm-commits]

ManuelJBrito created this revision.
ManuelJBrito added reviewers: nlopes, nikic, RKSimon.
Herald added subscribers: StephenFan, hiraditya.
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After D148637 <https://reviews.llvm.org/D148637> a shufflevector with an undefined mask yields poison. This patch updates InstSimplify to use the new semantics.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D149544

Files:
  llvm/lib/Analysis/InstructionSimplify.cpp
  llvm/test/Transforms/InstSimplify/shufflevector-inseltpoison.ll
  llvm/test/Transforms/InstSimplify/shufflevector.ll

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