Jakob Stoklund Olesen 846b183a9e Simplify RegisterCoalescer::copyCoalesceInMBB().
It is no longer necessary to separate VirtCopies, PhysCopies, and
ImpDefCopies. Implicitly defined copies are extremely rare after we
added the ProcessImplicitDefs pass, and physical register copies are not
joined any longer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-18 18:21:48 +00:00
..
2012-05-18 00:16:22 +00:00
2012-05-12 16:52:21 +00:00