Jakob Stoklund Olesen
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fe11c81560
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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
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2010-09-01 22:15:35 +00:00 |
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