diff --git a/llvm/include/llvm/BinaryFormat/MachO.h b/llvm/include/llvm/BinaryFormat/MachO.h
--- a/llvm/include/llvm/BinaryFormat/MachO.h
+++ b/llvm/include/llvm/BinaryFormat/MachO.h
@@ -1492,6 +1492,7 @@
 
 enum CPUSubTypeARM64 {
   CPU_SUBTYPE_ARM64_ALL = 0,
+  CPU_SUBTYPE_ARM64_V8 = 1,
   CPU_SUBTYPE_ARM64E = 2,
 };
 
diff --git a/llvm/test/tools/llvm-objdump/MachO/AArch64/Inputs/arm64_v8.macho.yaml b/llvm/test/tools/llvm-objdump/MachO/AArch64/Inputs/arm64_v8.macho.yaml
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/MachO/AArch64/Inputs/arm64_v8.macho.yaml
@@ -0,0 +1,11 @@
+--- !mach-o
+FileHeader:
+  magic:           0xFEEDFACF
+  cputype:         0x0100000C
+  cpusubtype:      0x00000001
+  filetype:        0x00000001
+  ncmds:           0
+  sizeofcmds:      0
+  flags:           0x00000000
+  reserved:        0x00000000
+...
diff --git a/llvm/test/tools/llvm-objdump/MachO/AArch64/macho-arm64-v8.test b/llvm/test/tools/llvm-objdump/MachO/AArch64/macho-arm64-v8.test
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/MachO/AArch64/macho-arm64-v8.test
@@ -0,0 +1,6 @@
+// RUN: yaml2obj %p/Inputs/arm64_v8.macho.yaml -o %tarm-v8.o
+// RUN: llvm-objdump -p %tarm-v8.o | FileCheck --strict-whitespace %s
+
+CHECK:      Mach header
+CHECK-NEXT:       magic cputype cpusubtype  caps    filetype ncmds sizeofcmds      flags
+CHECK-NEXT: MH_MAGIC_64   ARM64         V8  0x00      OBJECT     0          0 0x00000000
diff --git a/llvm/tools/llvm-objdump/MachODump.cpp b/llvm/tools/llvm-objdump/MachODump.cpp
--- a/llvm/tools/llvm-objdump/MachODump.cpp
+++ b/llvm/tools/llvm-objdump/MachODump.cpp
@@ -2109,6 +2109,10 @@
       outs() << "    cputype CPU_TYPE_ARM64\n";
       outs() << "    cpusubtype CPU_SUBTYPE_ARM64_ALL\n";
       break;
+    case MachO::CPU_SUBTYPE_ARM64_V8:
+      outs() << "    cputype CPU_TYPE_ARM64\n";
+      outs() << "    cpusubtype CPU_SUBTYPE_ARM64_V8\n";
+      break;
     case MachO::CPU_SUBTYPE_ARM64E:
       outs() << "    cputype CPU_TYPE_ARM64\n";
       outs() << "    cpusubtype CPU_SUBTYPE_ARM64E\n";
@@ -8315,6 +8319,9 @@
       case MachO::CPU_SUBTYPE_ARM64_ALL:
         outs() << "        ALL";
         break;
+      case MachO::CPU_SUBTYPE_ARM64_V8:
+        outs() << "         V8";
+        break;
       case MachO::CPU_SUBTYPE_ARM64E:
         outs() << "          E";
         break;
diff --git a/llvm/tools/llvm-readobj/MachODumper.cpp b/llvm/tools/llvm-readobj/MachODumper.cpp
--- a/llvm/tools/llvm-readobj/MachODumper.cpp
+++ b/llvm/tools/llvm-readobj/MachODumper.cpp
@@ -161,8 +161,9 @@
 };
 
 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
-  LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
-  LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64E),
+    LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
+    LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_V8),
+    LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64E),
 };
 
 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesSPARC[] = {