[LLVMdev] 3.6.1 Release Update

[Ahmed Bougacha]

On Tue, May 5, 2015 at 6:21 PM, Tom Stellard <tom at stellard.net> wrote:
>> > Here is the regression: https://llvm.org/bugs/show_bug.cgi?id=23407
>> > It looks like this was caused by r236066-r236068.
>>
>> Is anyone looking at this? The bug is unassigned... Ahmed, can you have a look?
>>
>
> Not yet, I will try to follow up on this tomorrow.

I tried to reproduce this morning on i386 (I did), I vaguely remember
seeing a cast assertion failure;  I'll have a closer look tomorrow.

Note that the failing tests were added by those commits, so if this is
urgent, we can just revert both of them and be done with it.

-Ahmed

>> LowerCallTo has a comment that worries me:
>>
>> /// FIXME: When all targets are
>> /// migrated to using LowerCall, this hook should be integrated into SDISel.
>>
>> Does that mean if LowerCall is called directly, it won't fix the tail
>> call reusing the stack pointer? Can they be called interchangeably by
>> the same back-end on different occasions?
>>
>
> Not sure, the tests only fail on i386.  I can't reproduce on amd64.
>
> -Tom
>
>> This may well be a red herring, though...
>>
>> cheers,
>> --renato