477012bf64
This technique should never be used, and only accessed through
__builtins.
There's currently no builtin for groupstaticsize. I left ds_swizzle
since for some reason it switches to the builtin based on __HCC__ or
not.
Change-Id: If1e1394221dba83ea4add6db5e94d6b715552044
[ROCm/clr commit: 03ebfd2d49]