[PATCH] D93990: [InstSimplify] Return poison if insertelement touches out of bounds

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune created this revision.
aqjune added reviewers: spatel, nikic, lebedev.ri.
Herald added subscribers: arphaman, hiraditya.
aqjune requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This is a simple patch that updates InstSimplify to return poison if the index is/can be out-of-bounds


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D93990

Files:
  llvm/lib/Analysis/InstructionSimplify.cpp
  llvm/test/Transforms/InstCombine/out-of-bounds-indexes.ll
  llvm/test/Transforms/InstCombine/vector_insertelt_shuffle-inseltpoison.ll
  llvm/test/Transforms/InstCombine/vector_insertelt_shuffle.ll
  llvm/test/Transforms/InstSimplify/insertelement.ll
  llvm/test/Transforms/InstSimplify/vscale-inseltpoison.ll
  llvm/test/Transforms/InstSimplify/vscale.ll

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