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1086a51e17
Summary: Adds a RegisterBank tablegen class that can be used to declare the register banks and an associated tablegen pass to generate the necessary code. Changes since first commit attempt: * Added missing guards * Added more missing guards * Found and fixed a use-after-free bug involving Twine locals Reviewers: t.p.northover, ab, rovka, qcolombet Reviewed By: qcolombet Subscribers: aditya_nandakumar, rengolin, kristof.beyls, vkalintiris, mgorny, dberris, llvm-commits, rovka Differential Revision: https://reviews.llvm.org/D27338 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292478 91177308-0d34-0410-b5e6-96231b3b80d8