[cfe-commits] Please review: add tbaa metadata to vtable pointer loads/stores

[John McCall]

On Mar 22, 2012, at 6:40 PM, Chandler Carruth wrote:
> On Thu, Mar 22, 2012 at 5:49 PM, Kostya Serebryany <kcc at google.com> wrote:
> Hello, 
> 
> Please review the following patch which adds tbaa metadata nodes to vtable pointer loads/stores. 
> These metadata nodes will be immediately useful for ThreadSanitizer instrumentation (it needs to treat vtable updates in a special way).  
> They may also help various optimization phases that use the tbaa information. 
> http://codereview.appspot.com/5881053
> 
> The patch looks great to me, but you should wait for one of the Clang IRGen folks to look at it before submitting.

It looks fine to me.

John.


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