[llvm-dev] Regression in SPEC2006/gcc caused by LoopLoadElimination

[Adam Nemet via llvm-dev]

> On Mar 7, 2016, at 9:43 AM, Adam Nemet <anemet at apple.com> wrote:
> 
> Hi Haicheng,
> 
> Sorry about the breakage.  I reverted it in r262839.
> 
> I will try to reproduce it locally.  Please don’t blow away your directories yet in case I need further help.

OK, I managed to reproduce this locally.  Should be able to make progress from here without further help from you.

Adam

> Thanks,
> Adam
> 
>> On Mar 7, 2016, at 8:33 AM, Haicheng Wu <haicheng at codeaurora.org <mailto:haicheng at codeaurora.org>> wrote:
>> 
>> Hi Adam,
>>  
>> I find LoopLoadElimination (r262250) causes SPEC2006/gcc generate wrong result (166.s) in AArch64 when running with *ref* data set.  The error happens when I use either “-Ofast -flto -fuse-ld=gold” or “-O3 -fno-strict-aliasing”.  Please let me know if you need more information.
>>  
>> Best,
>>  
>> Haicheng
> 

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