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Author SHA1 Message Date
Dan Gohman 99ba4dac59 Don't maintain a set of deleted nodes; instead, use a HandleSDNode 
to track a node over CSE events. This fixes PR7368.

llvm-svn: 106266
 2010-06-18 01:24:29 +00:00
Evan Cheng 68333f5c6e X86 address mode matching code MatchAddressRecursively does some aggressive hack which require doing a RAUW. It may end up deleting some SDNode up stream. It should avoid referencing deleted nodes. 
llvm-svn: 98780
 2010-03-17 23:58:35 +00:00