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Jim Grosbach
0a145f3d90
First step in eliminating the CarryDefIsUnused and CarryDefIsUsed predicates.
They won't work with the new ISel mechanism, as Requires predicates are no longer allowed to reference the node being selected. Moving the predicate to the patterns instead solves the problem. This patch handles ARM mode. Thumb2 will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96381 91177308-0d34-0410-b5e6-96231b3b80d8
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