Merging r201126:

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r201126 | craig.topper | 2014-02-10 23:05:33 -0500 (Mon, 10 Feb 2014) | 2 lines

Changed attributes of all gather intrinsics from IntrReadMem to IntrReadArgMem as they access only memory based on argument. Patch by Robert Khasanov.

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llvm-svn: 206057