[llvm-dev] LTO and Inlining and Stack Frame Size

[Bill Wendling via llvm-dev]

Thanks, Teresa. I'll look at some of those options.

On Wed, Nov 28, 2018 at 5:46 PM Teresa Johnson <tejohnson at google.com> wrote:

> This is probably better controlled in the inliner, and there are internal
> options there already for controlling various size thresholds. LTO doesn't
> directly control inlining directly, it just provides a bigger
> scope. +Easwaran who works on the inliner and might be able to point you in
> the right direction.
>
> Teresa
>
> On Wed, Nov 28, 2018 at 11:40 AM Bill Wendling via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Inlining is more aggressive with LTO. This could lead to stack frame
>> sizes growing. However, sometimes you're working with software that is
>> sensitive to stack sizes and would like to keep things within a certain
>> limit (say 8K). Is there a way to achieve this with clang's LTO (or indeed
>> its inliner in general)?
>>
>> -bw
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>
>
> --
> Teresa Johnson |  Software Engineer |  tejohnson at google.com |
>
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