|  Jakob Stoklund Olesen | 4b6fd48bba | Teach RemoveCopyByCommutingDef to check all aliases, not just subregisters. This caused a miscompilation in WebKit where %RAX had conflicting defs when
RemoveCopyByCommutingDef was commuting a %EAX use.
llvm-svn: 112751 | 2010-09-01 22:15:35 +00:00 |