Stop tracking unused registers in VirtRegMap.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Sun, 13 Nov 2011 00:39:45 +0000 (00:39 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Sun, 13 Nov 2011 00:39:45 +0000 (00:39 +0000)
commit929e4da68ba95f0616172d326b8547f888f5eb37
tree40afc416492b39d3a1fb24f62193751299899bba
parent334575e79b93500547e73519f5a68c7d99d1efaf
Stop tracking unused registers in VirtRegMap.

The information was only used by the register allocator in
StackSlotColoring.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144482 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/StackSlotColoring.cpp
lib/CodeGen/VirtRegMap.cpp
lib/CodeGen/VirtRegMap.h