[PATCH] D141323: AMDGPU: Use constant and externally_initialized for block handle
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 9 14:14:30 PST 2023
arsenm added a comment.
In D141323#4037723 <https://reviews.llvm.org/D141323#4037723>, @arsenm wrote:
> In D141323#4037714 <https://reviews.llvm.org/D141323#4037714>, @yaxunl wrote:
>
>> I doubt this will work. First, this may result in missing symbol in lld. Second, the runtime currently expects *.runtime_handle global symbols having a certain size and will initialize them by copying to them. If this compiler change requires a corresponding runtime change, it should be coordinated with runtime.
>
> It does work, this just changes optimizer behavior
Neither the size, name nor linkage changes
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D141323/new/
https://reviews.llvm.org/D141323
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