b-sumner added a comment.
================
Comment at: lib/CodeGen/TargetInfo.cpp:7976
+
+ Name = Twine(Twine(Name) + Twine("one-as")).str();
+ }
----------------
kzhuravl wrote:
> rampitec wrote:
> > I think subgroup is in the single address space even if sequentially
> > consistent.
> I have synced with @t-tye, and it seems like it might not be. @b-sumner, do
> you know what opencl spec states? Thanks.
As I understand the spec, memory order seq_cst must be consistent with both
local- and global-happens-before, so I would say even subgroup is not in the
single address space for OpenCL seq_cst.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D59494/new/
https://reviews.llvm.org/D59494
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