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Commit 9fceda74 authored by Jakob Stoklund Olesen's avatar Jakob Stoklund Olesen
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Actually use the MachineOperand field for isRegTiedToDefOperand(). 

The MachineOperand::TiedTo field was maintained, but not used.

This patch enables it in isRegTiedToDefOperand() and
isRegTiedToUseOperand() which are the actual functions use by the
register allocator.

llvm-svn: 163153
parent c7579cdd
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