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llvm-6502/test/CodeGen/X86/2010-09-01-RemoveCopyByCommutingDef.ll
Jakob Stoklund Olesen 0077114efc 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112751 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01 22:15:35 +00:00

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