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6 Commits

Author SHA1 Message Date
Chris Lattner f0d59072de fix PR9841 by having GVN not process dead loads. This was 
causing it to get into infinite loops when it would widen a 
load (which can necessarily leave around dead loads).

llvm-svn: 131847
 2011-05-22 07:03:34 +00:00
Chris Lattner f492ece81e a testcase that doesn't crash GVN but could someday. 
llvm-svn: 95851
 2010-02-11 05:08:05 +00:00
Chris Lattner 8f77035568 merge crash-2.ll into crash.ll 
llvm-svn: 90969
 2009-12-09 17:17:26 +00:00
Chris Lattner 367b5eafb7 minimize this a bit more. 
llvm-svn: 90216
 2009-12-01 07:30:01 +00:00
Chris Lattner fd75b90d81 merge 2009-11-29-ReverseMap.ll into crash.ll 
llvm-svn: 90212
 2009-12-01 06:22:10 +00:00
Chris Lattner cf0b198827 disable value insertion for now, I need to figure out how 
to inform GVN about the newly inserted values.  This fixes 
PR5631.

llvm-svn: 90022
 2009-11-27 22:50:07 +00:00