cdf7ca6db7
Creates rocdl.lane_id op with llvm conversion to:
__device__ static unsigned int __lane_id() {
return __builtin_amdgcn_mbcnt_hi(
-1, __builtin_amdgcn_mbcnt_lo(-1, 0));
}
Reviewed By: krzysz00
Differential Revision: https://reviews.llvm.org/D154666