[PATCH] D35499: [InstCombine] Simplify pointer difference subtractions (GEP-GEP) where GEPs have other uses and one non-constant index

[Hiroshi Yamauchi via Phabricator via llvm-commits]

yamauchi updated this revision to Diff 107179.
yamauchi added a comment.

Addressed the comments.


https://reviews.llvm.org/D35499

Files:
  include/llvm/IR/Operator.h
  lib/Transforms/InstCombine/InstCombineAddSub.cpp
  test/Transforms/InstCombine/sub.ll

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