Merging r200196:

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r200196 | michel.daenzer | 2014-01-26 23:20:51 -0800 (Sun, 26 Jan 2014) | 4 lines

R600/SI: Add intrinsic for BUFFER_LOAD_DWORD* instructions

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 204637