[IR][AsmPrinter][ELF]Allow setting section prefix for and use the prefix when emitting global objects#125002

mingmingl-llvm wants to merge 2 commits intomainllvm/llvm-project:mainfrom

users/mingmingl-llvm/spr/globalobjectsectionprefixllvm/llvm-project:users/mingmingl-llvm/spr/globalobjectsectionprefixCopy head branch name to clipboard