r202046 - [Win32 ABI] Defer operator delete checks until vtable is marked used

Hans Wennborg hans at chromium.org
Mon Feb 24 09:00:15 PST 2014


On Mon, Feb 24, 2014 at 8:46 AM, NAKAMURA Takumi <geek4civic at gmail.com> wrote:
> Is it relevant to Win32?

Yes, it's relevant to the ABI we use wen targeting -win32 triples if
that's what you mean.

 - Hans

> 2014-02-25 0:58 GMT+09:00 Hans Wennborg <hans at hanshq.net>:
>> Author: hans
>> Date: Mon Feb 24 09:58:24 2014
>> New Revision: 202046
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=202046&view=rev
>> Log:
>> [Win32 ABI] Defer operator delete checks until vtable is marked used
>>
>> We were previously checking at every destructor declaration, but that was a bit
>> excessive. Since the deleting destructor is emitted with the vtable, do the
>> check when the vtable is marked used.



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