[LLVMbugs] [Bug 770] Permit coallescing of registers in subset register classes

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=770

evan.cheng at apple.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |



------- Additional Comments From evan.cheng at apple.com  2006-05-12 00:19 -------
Backing out earlier change. Without the capability to split live ranges, joining
a live interval with another with a more restricted register class can hurt
performance in high register pressure situations.




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