[PATCH] D22071: Correct ordering of loads/stores.

[Alina Sbirlea via llvm-commits]

asbirlea created this revision.
asbirlea added reviewers: llvm-commits, jlebar, arsenm.
Herald added a reviewer: tstellarAMD.
Herald added a subscriber: mzolotukhin.

Aiming to correct the ordering of loads/stores. This patch changes insert point for loads to the position of the first load; it adds a new ordering method for loads to insert before, rather than after the load.
Updated testcases to reflect the changes.

http://reviews.llvm.org/D22071

Files:
  lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
  test/Transforms/LoadStoreVectorizer/AMDGPU/insertion-point.ll
  test/Transforms/LoadStoreVectorizer/AMDGPU/merge-stores.ll
  test/Transforms/LoadStoreVectorizer/X86/correct-order.ll
  test/Transforms/LoadStoreVectorizer/X86/subchain-interleaved.ll

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