LLVM-16: Add macOS support#1

JayFoxRox wants to merge 4 commits intoCHIP-SPV:chipStar-llvm-16CHIP-SPV/llvm-project:chipStar-llvm-16from

JayFoxRox:chipspv-llvm-16-patches-macosJayFoxRox/llvm-project:chipspv-llvm-16-patches-macosCopy head branch name to clipboard