[PATCH] D31068: [SDAG] Expand MergedConsecutiveStores to better handle Giving up in Chain Analysis

[Nirav Dave via Phabricator via llvm-commits]

niravd updated this revision to Diff 170032.
niravd added a comment.
Herald added a reviewer: javed.absar.
Herald added a subscriber: hiraditya.

Rebase to head. Some changes to alias make this require a much longer chain of stores. The need is clearly less than when I wrote this patch a year ago, but still has a minor positive effect.


Repository:
  rL LLVM

https://reviews.llvm.org/D31068

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/ARM/arm-storebytesmerge.ll
  llvm/test/CodeGen/X86/stores-merging2.ll

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