Always emit register class id references as i32 like DAGISelEmitter does.  This fixes 11 arm failures (8  left).
Always emit register class id references as i32 like
DAGISelEmitter does.  This fixes 11 arm failures (8 
left).


git-svn-id: a4a6f32337ebd29ad4763b423022f00f68d1c7b7@96757 91177308-0d34-0410-b5e6-96231b3b80d8

lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx