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On Aug 17, 2009, at 4:16 PM, Marcus Hicks wrote: > I started using the AliasSetTracker, but I have a problem. Hi Marcus, At best, anders-aa is beta-quality. It probably has several bugs and is not really ready to be widely used. -Chris > > I am using -basicaa -anders-aa and optimizations are enabled for > llvm-gcc and llvm-ld. > I use an instruction visitor to populate the

I started using the AliasSetTracker, but I have a problem. I am using -basicaa -anders-aa and optimizations are enabled for llvm-gcc and llvm-ld. I use an instruction visitor to populate the alias set tracker, but two pointers end up in different alias sets. While investigating this I notice at one point that if I call: bool New = false; AliasSet &X = AST->getAliasSetForPointer(Pointer,