Jakob Stoklund Olesen ccce1233a2 Erase joined copies immediately.
The late dead code elimination is no longer necessary.

The test changes are cause by a register hint that can be either %rdi or
%rax. The choice depends on the use list order, which this patch changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-19 20:54:07 +00:00
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