[SPIR-V] Fix emission of debug and annotation instructions and add SPV_EXT_optnone SPIR-V extension#118402

VyacheslavLevytskyy merged 3 commits intollvm:mainllvm/llvm-project:mainfrom

VyacheslavLevytskyy:fix_fun_attrs_0212VyacheslavLevytskyy/llvm-project:fix_fun_attrs_0212Copy head branch name to clipboard