[AMDGPU] Fold multiple aligned v_mov_b32 to v_mov_b64 on mov 64b enabled targets#138843

JanekvO wants to merge 2 commits intollvm:mainllvm/llvm-project:mainfrom

JanekvO:mat_imm_b64_gfx942JanekvO/llvm-project:mat_imm_b64_gfx942Copy head branch name to clipboard