[X86][GlobalISel] Add general-purpose Register Bank
Summary:
[X86][GlobalISel] Add general-purpose Register Bank.
Add trivial handling of G_ADD legalization .
Add Regestry Bank selection for COPY and G_ADD instructions
Reviewers: rovka, zvi, ab, t.p.northover, qcolombet
Reviewed By: qcolombet
Subscribers: qcolombet, mgorny, dberris, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D29771
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294723 91177308-0d34-0410-b5e6-96231b3b80d8
11 files changed