ABataev added a comment.

In D99689#2662856 <https://reviews.llvm.org/D99689#2662856>, @jdoerfert wrote:

> In D99689#2662852 <https://reviews.llvm.org/D99689#2662852>, @ABataev wrote:
>
>> In D99689#2662848 <https://reviews.llvm.org/D99689#2662848>, @jdoerfert 
>> wrote:
>>
>>> Can you please show me a test case or explain to me when/how this global is 
>>> actually used.
>>
>> It is passed as an argument to the target region. When libomptarget requests 
>> the memory for the firstprivate, it returns the pointer to this const 
>> global, which then passed as argument to the kernel.
>
> So if we use it, why would we disable it?

With this  new option you can control how to handle it. You can either 
dynamically allocate memory using libomptarget memmanager (default for this 
option) or use preallocated constant memory, if you're not going to remove the 
var constantness.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99689/new/

https://reviews.llvm.org/D99689

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