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3aa0d7cb53
If the read2 produced was supposed to be writing into a super register, it would use the wrong subregister indices. Fix this by inserting copies, so we only ever write to a vreg_64. Run the register coalescer again to clean this up, although this isn't ideal and often does result in an extra move. Also remove the assert that offset1 > offset0. There isn't a real reason to not allow this other than a minor convenience in the compiler, and it doesn't seem worth the effort of avoiding it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242174 91177308-0d34-0410-b5e6-96231b3b80d8
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