diff --git a/lld/MachO/Driver.cpp b/lld/MachO/Driver.cpp
--- a/lld/MachO/Driver.cpp
+++ b/lld/MachO/Driver.cpp
@@ -936,6 +936,15 @@
            config->arch() == AK_arm64_32);
 }
 
+static bool shouldAdhocSignByDefault(Architecture arch, PlatformType platform) {
+  if (arch != AK_arm64 && arch != AK_arm64e)
+    return false;
+
+  return platform == PLATFORM_MACOS || platform == PLATFORM_IOSSIMULATOR ||
+         platform == PLATFORM_TVOSSIMULATOR ||
+         platform == PLATFORM_WATCHOSSIMULATOR;
+}
+
 static bool dataConstDefault(const InputArgList &args) {
   static const std::array<std::pair<PlatformType, VersionTuple>, 5> minVersion =
       {{{PLATFORM_MACOS, VersionTuple(10, 15)},
@@ -1735,8 +1744,7 @@
 
   config->adhocCodesign = args.hasFlag(
       OPT_adhoc_codesign, OPT_no_adhoc_codesign,
-      (config->arch() == AK_arm64 || config->arch() == AK_arm64e) &&
-          config->platform() == PLATFORM_MACOS);
+      shouldAdhocSignByDefault(config->arch(), config->platform()));
 
   if (args.hasArg(OPT_v)) {
     message(getLLDVersion(), lld::errs());
diff --git a/lld/test/MachO/adhoc-codesign.s b/lld/test/MachO/adhoc-codesign.s
--- a/lld/test/MachO/adhoc-codesign.s
+++ b/lld/test/MachO/adhoc-codesign.s
@@ -57,11 +57,11 @@
 
 
 # RUN: %no-arg-lld -arch arm64 -platform_version ios-simulator 14.0 15.0 -execute -o %t/out %t/main-arm64-sim.o -syslibroot %S/Inputs/iPhoneSimulator.sdk -lSystem
-# RUN: llvm-objdump --macho --all-headers %t/out | FileCheck --check-prefix=NO-ADHOC %s
+# RUN: llvm-objdump --macho --all-headers %t/out | FileCheck --check-prefix=ADHOC %s
 # RUN: %no-arg-lld -arch arm64 -platform_version ios-simulator 14.0 15.0 -dylib   -o %t/out %t/foo-arm64-sim.o
-# RUN: llvm-objdump --macho --all-headers  %t/out| FileCheck --check-prefix=NO-ADHOC %s
+# RUN: llvm-objdump --macho --all-headers  %t/out| FileCheck --check-prefix=ADHOC %s
 # RUN: %no-arg-lld -arch arm64 -platform_version ios-simulator 14.0 15.0 -bundle  -o %t/out %t/foo-arm64-sim.o
-# RUN: llvm-objdump --macho --all-headers  %t/out| FileCheck --check-prefix=NO-ADHOC %s
+# RUN: llvm-objdump --macho --all-headers  %t/out| FileCheck --check-prefix=ADHOC %s
 
 # RUN: %no-arg-lld -arch arm64 -platform_version ios-simulator 14.0 15.0 -execute -adhoc_codesign -o %t/out %t/main-arm64-sim.o -syslibroot %S/Inputs/iPhoneSimulator.sdk -lSystem
 # RUN: llvm-objdump --macho --all-headers %t/out| FileCheck --check-prefix=ADHOC %s