To prevent AArch64 tests from running when the target is not compiled.
Fixes r371502:
/home/buildslave/ps4-buildslave4/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/llvm.src/test/Transforms/ExpandMemCmp/AArch64/memcmp.ll:11:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i8* [[S1:%.*]] to i64*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371503
91177308-0d34-0410-b5e6-
96231b3b80d8
--- /dev/null
+if not 'AArch64' in config.root.targets:
+ config.unsupported = True
+