R600/SI: Add an s_mov_b32 to patterns which use the M0RegClass
We need to use a s_mov_b32 rather than a copy, so that CSE will eliminate redundant moves to the m0 register. llvm-svn: 222584
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We need to use a s_mov_b32 rather than a copy, so that CSE will eliminate redundant moves to the m0 register. llvm-svn: 222584