Add a test for the A16/A17 parts of eb1b428

There are a couple of open questions on what we should do for A14, so I'll
leave that off for now.

#81325 (comment)

Author: jroelofs

llvm/test/CodeGen/AArch64/misched-fusion-addadrp.ll

@@ -13,6 +13,8 @@
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-v1     | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-n2     | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-v2     | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=apple-a16 -mattr=-fuse-literals | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=apple-a17 -mattr=-fuse-literals | FileCheck %s
 
 @g = common local_unnamed_addr global ptr null, align 8