[llvm-dev] sdiv in array subscript

[Hongbin Zheng via llvm-dev]

Hi Eli,

I create a patch at https://reviews.llvm.org/D31488

Thanks
Hongbin


On Wed, Mar 29, 2017 at 3:18 PM, Friedman, Eli <efriedma at codeaurora.org>
wrote:

> On 3/29/2017 3:00 PM, Hongbin Zheng wrote:
>
>
>
> On Wed, Mar 29, 2017 at 2:15 PM, Friedman, Eli <efriedma at codeaurora.org>
> wrote:
>
>> On 3/29/2017 1:05 PM, Hongbin Zheng wrote:
>>
>>> Hi Eli,
>>>
>>> Thanks. Do you mean ideally we should extend SimplifyIndVar to do the
>>> sdiv->udiv replacement?
>>>
>>
>> I haven't really looked into it closely, but it seems to make sense.
>
> Ok.
>
> Once I extend SimplifyIndVar, e.g. the  simplifyUsersOfIV function. How I
> can add a regression test for the extension? simplifyUsersOfIV  is not a
> pass.
>
>
> It gets called by -indvars.
>
> -Eli
>
> --
> Employee of Qualcomm Innovation Center, Inc.
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
>
>
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