Index: lib/Target/AArch64/AArch64.td
===================================================================
--- lib/Target/AArch64/AArch64.td
+++ lib/Target/AArch64/AArch64.td
@@ -691,6 +691,9 @@
 // FIXME: HiSilicon TSV110 is currently modeled as a Cortex-A57.
 def : ProcessorModel<"tsv110", CortexA57Model, [ProcTSV110]>;
 
+// Alias for the latest Apple processor model supported by LLVM.
+def : ProcessorModel<"apple-latest", CycloneModel, [ProcCyclone]>;
+
 //===----------------------------------------------------------------------===//
 // Assembly parser
 //===----------------------------------------------------------------------===//
Index: test/CodeGen/AArch64/apple-latest-cpu.ll
===================================================================
--- /dev/null
+++ test/CodeGen/AArch64/apple-latest-cpu.ll
@@ -0,0 +1,7 @@
+; RUN: llc -mtriple=arm64-apple-ios -mcpu=apple-latest -stop-before=expand-isel-pseudos -o /dev/null 2>&1 < %s | FileCheck %s
+
+; CHECK-LABEL: @dummy
+; CHECK: "target-cpu"="apple-latest"
+define void @dummy() {
+  ret void
+}