[AArch64] Generalize CSEL a, b, cc, SUBS(SUB(x,y), 0) -> CSEL a, b, cc, SUBS(x,y) transform to peephole#167527

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

AZero13:ede-part-3AZero13/llvm-project:ede-part-3Copy head branch name to clipboard