[RegisterBankInfo] Add an helper function to get the size of a register.
authorQuentin Colombet <qcolombet@apple.com>
Wed, 6 Apr 2016 23:59:53 +0000 (23:59 +0000)
committerQuentin Colombet <qcolombet@apple.com>
Wed, 6 Apr 2016 23:59:53 +0000 (23:59 +0000)
commit8c0d66bc5418dae3fe0a445f43cd478bafafa579
treec947cb747b8cdd830d12b453768e9c14f904c37d
parente0f1ab87c869c7a75cf7bbbd9d8683743ac3f934
[RegisterBankInfo] Add an helper function to get the size of a register.
The previous method to get the size was too simple and could fail for
physical registers.

llvm-svn: 265620
llvm/lib/CodeGen/GlobalISel/RegisterBankInfo.cpp