Maintain a vaild isTied bit as operands are added and removed.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 29 Aug 2012 00:37:58 +0000 (00:37 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 29 Aug 2012 00:37:58 +0000 (00:37 +0000)
The isTied bit is set automatically when a tied use is added and
MCInstrDesc indicates a tied operand. The tie is broken when one of the
tied operands is removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162814 91177308-0d34-0410-b5e6-96231b3b80d8


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