[TwoAddressInstruction] When commuting an instruction don't assume that the destination register is operand 0. Pass it from the caller.

In practice it probably is 0 so this may not be a functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281180 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed