Deepen the map structure tablegen uses to compute FastISel patterns, in preparation for having patterns with return types that differ from their input types.  This is not yet used.
Deepen the map structure tablegen uses to compute FastISel patterns, in preparation for having patterns
with return types that differ from their input types.  This is not yet used.


git-svn-id: a4a6f32337ebd29ad4763b423022f00f68d1c7b7@55344 91177308-0d34-0410-b5e6-96231b3b80d8

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