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d991d2217b
Instead of moving the first SGPR that is different than the first, legalize the operand that requires the fewest moves if one SGPR is used for multiple operands. This saves extra moves and is also required for some instructions which require that the same operand be used for multiple operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218532 91177308-0d34-0410-b5e6-96231b3b80d8