Piotr Padlewski 0705829e40 [CodeGenCXX] Emit strip.invariant.group with -fstrict-vtable-pointers ...

Summary:
Emmiting new intrinsic that strips invariant.groups to make
devirtulization sound, as described in RFC: Devirtualization v2.

Reviewers: rjmccall, rsmith, amharc, kuhar

Subscribers: llvm-commits, cfe-commits

Differential Revision: https://reviews.llvm.org/D47299

Co-authored-by: Krzysztof Pszeniczny <krzysztof.pszeniczny@gmail.com>
llvm-svn: 336137

2018-07-02 19:21:36 +00:00

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