[llvm-dev] sdiv in array subscript

Friedman, Eli via llvm-dev llvm-dev at lists.llvm.org
Wed Mar 29 15:18:39 PDT 2017


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 <mailto: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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