[AArch64] Use CHECK-LABEL in ARM64 ABI unit tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213703 91177308-0d34-0410-b5e6-96231b3b80d8
[FastIsel][AArch64] Add support for the FastLowerCall and FastLowerIntrinsicCall target-hooks.

This commit modifies the existing call lowering functions to be used as the
FastLowerCall and FastLowerIntrinsicCall target-hooks instead.

This enables patchpoint intrinsic lowering for AArch64.

This fixes <rdar://problem/17733076>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213704 91177308-0d34-0410-b5e6-96231b3b80d8
XFAIL the test on MIPS

Not sure how to debug this one without a MIPS machine. Any takers?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213705 91177308-0d34-0410-b5e6-96231b3b80d8