[PATCH] D46380: [InstSimplify] Adding safety checks for 'shl', 'ashr' and 'lshr'

[Omer Paparo Bivas via Phabricator via llvm-commits]

opaparo updated this revision to Diff 151645.
opaparo added a comment.

Rebasing the patch and adjusting it to the changes made in https://reviews.llvm.org/rL333689.
Removed special code for CastInst in InstructionSimplify::SimplifyWithOpReplaced as https://reviews.llvm.org/rL333689's changes handle that (in a different way).


Repository:
  rL LLVM

https://reviews.llvm.org/D46380

Files:
  lib/Analysis/InstructionSimplify.cpp
  test/Transforms/InstCombine/select-bitext-bitwise-ops.ll
  test/Transforms/InstCombine/select-obo-peo-ops.ll

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