[AMDGPU][Clang] Allow amdgpu-waves-per-eu attribute to lower target occupancy range#138284

lucas-rami wants to merge 3 commits intollvm:mainllvm/llvm-project:mainfrom

lucas-rami:waves-per-eu-zero-is-allowedlucas-rami/llvm-project:waves-per-eu-zero-is-allowedCopy head branch name to clipboard