AArch64/ARM64: add extra testing from AArch64 to ARM64

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206887 91177308-0d34-0410-b5e6-96231b3b80d8
AArch64/ARM64: make use of ANDS and BICS instructions for comparisons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206888 91177308-0d34-0410-b5e6-96231b3b80d8
AArch64/ARM64: more testing from AArch64 to ARM64

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206889 91177308-0d34-0410-b5e6-96231b3b80d8