Manman Ren d8c68b1852 TBAA: add isTBAAVtableAccess to MDNode so clients can call the function ...

instead of having its own implementation.

The implementation of isTBAAVtableAccess is in TypeBasedAliasAnalysis.cpp
since it is related to the format of TBAA metadata.

The path for struct-path tbaa will be exercised by
test/Instrumentation/ThreadSanitizer/read_from_global.ll, vptr_read.ll, and
vptr_update.ll when struct-path tbaa is on by default.

llvm-svn: 190216

2013-09-06 22:47:05 +00:00

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