[PATCH] [LoopVectorize]Teach Loop Vectorizer about interleaved memory access

[Adam Nemet]

================
Comment at: include/llvm/Analysis/LoopAccessAnalysis.h:670-671
@@ -488,1 +669,4 @@
+
+  /// Contains the relationships between the members and the interleaved access.
+  DenseMap<Instruction *, InterleaveGroup *> InterleaveGroupMap;
 };
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I've only started looking at this patch but I have a quick initial, more fundamental comment.

You are modifying an analysis pass (LoopAccessAnalysis).  Please add support for printing the new information gathered by the analysis.  Please also add tests under test/Analysis/LoopAccessAnalysis to verify the new information.

You may even want separate out the patch for the analysis part (LAA + tests) from the transformation parts (LV + tests + etc).

http://reviews.llvm.org/D9368

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