Nirav Dave a43d9cd666 [SDAG] Teach Chain Analysis about BaseIndexOffset addressing.
While we use BaseIndexOffset in FindBetterNeighborChains to
appropriately realize they're almost the same address and should be
improved concurrently we do not use it in isAlias using the non-index
understanding FindBaseOffset instead. Adding a BaseIndexOffset check
in isAlias like should allow indexed stores to be merged.

FindBaseOffset to be excised in subsequent patch.

Reviewers: jyknight, aditya_nandakumar, bogner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D31987

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301187 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-24 15:37:20 +00:00
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