return NoAlias;
}
- // Statically, we can see that the base objects are the same, but the
- // pointers have dynamic offsets which we can't resolve. And none of our
- // little tricks above worked.
- //
- // TODO: Returning PartialAlias instead of MayAlias is a mild hack; the
- // practical effect of this is protecting TBAA in the case of dynamic
- // indices into arrays of unions. An alternative way to solve this would
- // be to have clang emit extra metadata for unions and/or union accesses.
- // A union-specific solution wouldn't handle the problem for malloc'd
- // memory however.
- return PartialAlias;
+ return MayAlias;
}
static AliasAnalysis::AliasResult