Index: lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.h
===================================================================
--- lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.h
+++ lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.h
@@ -143,7 +143,7 @@
       const lldb_private::FileSpecList *module_search_paths_ptr,
       llvm::SmallVectorImpl<lldb::ModuleSP> *old_modules, bool *did_create_ptr);
 
-  virtual bool CheckLocalSharedCache() const { return IsHost(); }
+  bool CheckLocalSharedCache() const { return IsHost(); }
 
   struct SDKEnumeratorInfo {
     lldb_private::FileSpec found_path;
Index: lldb/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp
===================================================================
--- lldb/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp
+++ lldb/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp
@@ -151,6 +151,8 @@
     result.push_back(ArchSpec("x86_64-apple-ios-macabi"));
     result.push_back(ArchSpec("arm64-apple-ios-macabi"));
     result.push_back(ArchSpec("arm64e-apple-ios-macabi"));
+    result.push_back(ArchSpec("arm64-apple-ios"));
+    result.push_back(ArchSpec("arm64e-apple-ios"));
   }
 #else
   x86GetSupportedArchitectures(result);
Index: lldb/source/Plugins/Platform/MacOSX/PlatformRemoteiOS.h
===================================================================
--- lldb/source/Plugins/Platform/MacOSX/PlatformRemoteiOS.h
+++ lldb/source/Plugins/Platform/MacOSX/PlatformRemoteiOS.h
@@ -42,8 +42,6 @@
   std::vector<lldb_private::ArchSpec> GetSupportedArchitectures() override;
 
 protected:
-  bool CheckLocalSharedCache() const override;
-
   llvm::StringRef GetDeviceSupportDirectoryName() override;
   llvm::StringRef GetPlatformName() override;
 };
Index: lldb/source/Plugins/Platform/MacOSX/PlatformRemoteiOS.cpp
===================================================================
--- lldb/source/Plugins/Platform/MacOSX/PlatformRemoteiOS.cpp
+++ lldb/source/Plugins/Platform/MacOSX/PlatformRemoteiOS.cpp
@@ -140,13 +140,6 @@
   return result;
 }
 
-bool PlatformRemoteiOS::CheckLocalSharedCache() const {
-  // You can run iPhone and iPad apps on Mac with Apple Silicon. At the
-  // platform level there's no way to distinguish them from remote iOS
-  // applications. Make sure we still read from our own shared cache.
-  return true;
-}
-
 llvm::StringRef PlatformRemoteiOS::GetDeviceSupportDirectoryName() {
   return "iOS DeviceSupport";
 }
Index: lldb/source/Target/Process.cpp
===================================================================
--- lldb/source/Target/Process.cpp
+++ lldb/source/Target/Process.cpp
@@ -72,6 +72,10 @@
 #include "lldb/Utility/State.h"
 #include "lldb/Utility/Timer.h"
 
+#if defined(__APPLE__)
+#include <TargetConditionals.h>
+#endif
+
 using namespace lldb;
 using namespace lldb_private;
 using namespace std::chrono;
@@ -2922,6 +2926,30 @@
     }
   }
 
+#if TARGET_OS_OSX
+#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
+  // On Apple Silicon the host platform is compatible with arm64(e)-apple-ios
+  // to support unmodified "iPhone and iPad Apps on Apple Silicon Macs".
+  //
+  // Because the binaries are identical and platform selection relies on the
+  // triple, there's no way to differentiate the two statically. Once we have a
+  // process, we can use its system architecture to tell the two apart and
+  // change the platform if necessary.
+  if (platform_sp->GetPluginName() == "host") {
+    llvm::Triple target_triple = GetTarget().GetArchitecture().GetTriple();
+    if (target_triple.getOS() == llvm::Triple::IOS &&
+        target_triple.getVendor() == llvm::Triple::Apple) {
+      llvm::Triple system_triple = GetSystemArchitecture().GetTriple();
+      if (system_triple.getOS() == llvm::Triple::IOS) {
+        Status error;
+        GetTarget().SetPlatform(
+            Platform::Create(ConstString("remote-ios"), error));
+      }
+    }
+  }
+#endif
+#endif
+
   // We have completed the attach, now it is time to find the dynamic loader
   // plug-in
   DynamicLoader *dyld = GetDynamicLoader();