Dan Gohman 41f14cf3e9 Remove the experimental AliasAnalysis::getDependency interface, which ...

isn't a good level of abstraction for memdep. Instead, generalize
AliasAnalysis::alias and related interfaces with a new Location
class for describing a memory location. For now, this is the same
Pointer and Size as before, plus an additional field for a TBAA tag.

Also, introduce a fixed MD_tbaa metadata tag kind.

llvm-svn: 113858

2010-09-14 21:25:10 +00:00

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