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
@@ -1477,7 +1477,11 @@
   CPU_SUBTYPE_ARM_V7EM = 16
 };
 
-enum CPUSubTypeARM64 { CPU_SUBTYPE_ARM64_ALL = 0 };
+enum CPUSubTypeARM64 {
+  CPU_SUBTYPE_ARM64_ALL = 0,
+  CPU_SUBTYPE_ARM64_V8 = 1,
+  CPU_SUBTYPE_ARM64E = 2,
+};
 
 enum CPUSubTypeSPARC { CPU_SUBTYPE_SPARC_ALL = 0 };
 
diff --git a/llvm/test/tools/llvm-objdump/AArch64/Inputs/arm64e.macho.yaml b/llvm/test/tools/llvm-objdump/AArch64/Inputs/arm64e.macho.yaml
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/AArch64/Inputs/arm64e.macho.yaml
@@ -0,0 +1,11 @@
+--- !mach-o
+FileHeader:
+  magic:           0xFEEDFACF
+  cputype:         0x0100000C
+  cpusubtype:      0x00000002
+  filetype:        0x00000001
+  ncmds:           0
+  sizeofcmds:      0
+  flags:           0x00000000
+  reserved:        0x00000000
+...
diff --git a/llvm/test/tools/llvm-objdump/AArch64/Inputs/arm64v8.macho.yaml b/llvm/test/tools/llvm-objdump/AArch64/Inputs/arm64v8.macho.yaml
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/AArch64/Inputs/arm64v8.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/AArch64/macho-arm64-variants.test b/llvm/test/tools/llvm-objdump/AArch64/macho-arm64-variants.test
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/AArch64/macho-arm64-variants.test
@@ -0,0 +1,12 @@
+// RUN: yaml2obj %p/Inputs/arm64v8.macho.yaml -o %tarm64v8.o
+// RUN: llvm-objdump -p %tarm64v8.o | FileCheck -check-prefix=V8 -strict-whitespace %s
+// RUN: yaml2obj %p/Inputs/arm64e.macho.yaml -o %tarm64e.o
+// RUN: llvm-objdump -p %tarm64e.o | FileCheck -check-prefix=E -strict-whitespace %s
+
+V8:      Mach header
+V8-NEXT:       magic cputype cpusubtype  caps    filetype ncmds sizeofcmds      flags
+V8-NEXT: MH_MAGIC_64   ARM64         V8  0x00      OBJECT     0          0 0x00000000
+
+E:      Mach header
+E-NEXT:       magic cputype cpusubtype  caps    filetype ncmds sizeofcmds      flags
+E-NEXT: MH_MAGIC_64   ARM64          E  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
@@ -2031,6 +2031,14 @@
       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";
+      break;
     default:
       printUnknownCPUType(cputype, cpusubtype);
       break;
@@ -8174,6 +8182,12 @@
       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;
       default:
         outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
         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
@@ -162,6 +162,8 @@
 
 static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
   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[] = {