Vedant Kumar 2d38ae6c41 [CodeGen] Devirtualize calls to methods marked final in a derived class ...

If we see a virtual method call to Base::foo() but can infer that the
object is an instance of Derived, and that 'foo' is marked 'final' in
Derived, we can devirtualize the call to Derived::foo().

Differential Revision: https://reviews.llvm.org/D25813

llvm-svn: 284766

2016-10-20 18:44:14 +00:00

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