[SYCL][LIBCLC] Add subgroup builtins for AMDGCN#4208

Merged

bader merged 3 commits intointel:syclfrom

jchlanda:subgroup_builtins

Jul 30, 2021

Commits on Jul 28, 2021

[SYCL][LIBCLC] Add subgroup builtins for AMDGCN
jchlanda
committed

Commits on Jul 29, 2021