[AArch64] Improve expansion of immediates of the form (~w << 32 | w).#162286

rj-jesus wants to merge 5 commits intollvm:mainllvm/llvm-project:mainfrom

rj-jesus:rjj/aarch64-try-eor-imm-expansionrj-jesus/llvm-project:rjj/aarch64-try-eor-imm-expansionCopy head branch name to clipboard