add R0 to liveout
expand "ret null" (implements test/Regression/CodeGen/ARM/ret_void.ll)
note that a Flag link is missing between the copy and the branch


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28691 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed