[PATCH] D10910: RAGreedy: Keep track of allocated PhysRegs internally

[Jakob Stoklund Olesen]

stoklund added a subscriber: stoklund.
stoklund added a comment.

Instead of maintaining a bitvector in RAGreedy, how about asking LiveRegMatrix? It can tell you if the corresponding LiveIntervalUnion is empty.


rL LLVM

http://reviews.llvm.org/D10910