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Author SHA1 Message Date
Owen Anderson f6fe577e88 Remove dead option from tests. 
llvm-svn: 113855
 2010-09-14 21:03:40 +00:00
Owen Anderson 6ebbd92380 Use LVI to eliminate conditional branches where we've tested a related condition previously. Update tests for this change. 
This fixes PR5652.

llvm-svn: 112270
 2010-08-27 17:12:29 +00:00
Owen Anderson 4afea9e3c6 In the default address space, any GEP off of null results in a trap value if you try to load it. Thus, 
any load in the default address space that completes implies that the base value that it GEP'd from
was not null.

llvm-svn: 112015
 2010-08-25 01:16:47 +00:00