Add a SuperRegClassIterator class.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Fri, 4 May 2012 01:48:29 +0000 (01:48 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Fri, 4 May 2012 01:48:29 +0000 (01:48 +0000)
commit89e38f87211f6cf34c8b2e88a06c275a70c05421
treea1e6b20b9a7ed9ae1baadc46816e9511d5b35c4e
parentd5003cafd6fc86acaf8e09ef0ca1dc899da8850e
Add a SuperRegClassIterator class.

This iterator class provides a more abstract interface to the (Idx,
Mask) lists of super-registers for a register class. The layout of the
tables shouldn't be exposed to clients.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156144 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Target/TargetRegisterInfo.h
lib/Target/TargetRegisterInfo.cpp