Merging r238147:

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r238147 | thomas.stellard | 2015-05-25 12:15:54 -0400 (Mon, 25 May 2015) | 4 lines

R600/SI: Fix bug with v_interp_p1_f32 instructions on 16 bank lds chips

The src and dst register cannot be the same on chips with 16 lds banks.

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llvm-svn: 240285