AArch64: switch patterns to be type-based rather than RegClass-based

It's a bit of churn in the blame log, but I think there are real benefits to
the newer system so I'm making the change in one go.

llvm-svn: 178633
This commit is contained in:
Tim Northover 2013-04-03 11:19:16 +00:00
parent d5d6d72d50
commit acffe8e7ca

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