Chris Lattner 04f52079d7 Add a simple little improvement to the local spiller to keep track of stores ...

and delete them if they turn out to be dead.  This is a useful little hack
that even speeds up some programs.  For example, it speeds up Ptrdist/ks
from 17.53s to 15.59s, and 188.ammp from 149s to 146s.

This also speeds up llc :)

llvm-svn: 16630

2004-10-01 19:47:12 +00:00

22 KiB

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