[libclc] Implement __clc_rsqrt with __ocml_rsqrt_* functions#152436

wenju-he wants to merge 1 commit intollvm:mainllvm/llvm-project:mainfrom

wenju-he:libclc-__clc_rsqrt-amdgcnwenju-he/llvm-project:libclc-__clc_rsqrt-amdgcnCopy head branch name to clipboard