llvm dev - May 2020 - question on instruction bundles

Can instruction bundles be nested?  If a later pass wants to make a bundle 
which includes an already existing bundle, is this legal?

thanks,
brian

> On May 13, 2020, at 12:23, Bagel via llvm-dev <llvm-dev at
lists.llvm.org> wrote:
> 
> Can instruction bundles be nested?  If a later pass wants to make a bundle
which includes an already existing bundle, is this legal?
> 
> 
No, bundles are a flat sequence and can’t be nested

-Matt

On 5/13/20 11:31 AM, Matt Arsenault wrote:
> 
> 
>> On May 13, 2020, at 12:23, Bagel via llvm-dev <llvm-dev at
lists.llvm.org> wrote:
>>
>> Can instruction bundles be nested?  If a later pass wants to make a
bundle which includes an already existing bundle, is this legal?
>>
>>
> No, bundles are a flat sequence and can’t be nested
> 
> -Matt
> 
Thanks, I guess I'll need to use a different approach.
Brian