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
@@ -508,6 +508,8 @@
   PLATFORM_TVOSSIMULATOR = 8,
   PLATFORM_WATCHOSSIMULATOR = 9,
   PLATFORM_DRIVERKIT = 10,
+  PLATFORM_VISIONOS = 11,
+  PLATFORM_VISIONOSSIMULATOR = 12,
 };
 
 // Values for tools enum in build_tool_version.
diff --git a/llvm/include/llvm/Object/MachO.h b/llvm/include/llvm/Object/MachO.h
--- a/llvm/include/llvm/Object/MachO.h
+++ b/llvm/include/llvm/Object/MachO.h
@@ -794,6 +794,10 @@
     case MachO::PLATFORM_TVOSSIMULATOR: return "tvossimulator";
     case MachO::PLATFORM_WATCHOSSIMULATOR: return "watchossimulator";
     case MachO::PLATFORM_DRIVERKIT: return "driverkit";
+    case MachO::PLATFORM_VISIONOS:
+      return "visionos";
+    case MachO::PLATFORM_VISIONOSSIMULATOR:
+      return "visionossimulator";
     default:
       std::string ret;
       raw_string_ostream ss(ret);