[PATCH] D12026: Decorating vptr load & stores with !invariant.group

[Piotr Padlewski via cfe-commits]

Prazek created this revision.
Prazek added reviewers: rsmith, majnemer, pcc.
Prazek added a subscriber: cfe-commits.


Adding !invariant.group to vptr load/stores for devirtualization purposes.
For more goto:
http://lists.llvm.org/pipermail/cfe-dev/2015-July/044227.htm

http://reviews.llvm.org/D12026

Files:
  lib/CodeGen/CGAtomic.cpp
  lib/CodeGen/CGClass.cpp
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CGExprCXX.cpp
  lib/CodeGen/CodeGenFunction.h
  lib/CodeGen/CodeGenModule.cpp
  lib/CodeGen/CodeGenModule.h
  lib/CodeGen/ItaniumCXXABI.cpp
  lib/CodeGen/MicrosoftCXXABI.cpp
  test/CodeGenCXX/invariat.barrier-for-vptrs.cpp

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