[HLSL][DXIL][SPRIV] Added WaveActiveProduct intrinsic #164385#165109

KungFuDonkey wants to merge 2 commits intollvm:mainllvm/llvm-project:mainfrom

KungFuDonkey:kfd/WaveProductKungFuDonkey/llvm-project:kfd/WaveProductCopy head branch name to clipboard