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Author SHA1 Message Date
Peter Collingbourne e67e4e821d Add target triples to all dfsan tests. 
llvm-svn: 223536
 2014-12-05 22:32:30 +00:00
Peter Collingbourne 9947c49812 [dfsan] Introduce further optimization to reduce the number of union queries. 
Specifically, do not compute a union if it is statically known that one
shadow set subsumes the other.

llvm-svn: 213100
 2014-07-15 22:13:19 +00:00
Peter Collingbourne 705a1ae3c8 [dfsan] Introduce an optimization to reduce the number of union queries. 
Specifically, when building a union query, if we are dominated by an identical
query then use the result of that query instead.

llvm-svn: 213047
 2014-07-15 04:41:17 +00:00