[SPARC] Use lzcnt to implement CTLZ when we have VIS3#135715

koachan merged 12 commits intomainllvm/llvm-project:mainfrom

users/koachan/spr/sparc-use-lzcnt-to-implement-ctlz-when-we-have-vis3llvm/llvm-project:users/koachan/spr/sparc-use-lzcnt-to-implement-ctlz-when-we-have-vis3Copy head branch name to clipboard