Index: lldb/cmake/caches/Apple-lldb-TVSimulator.cmake
===================================================================
--- /dev/null
+++ lldb/cmake/caches/Apple-lldb-TVSimulator.cmake
@@ -0,0 +1,6 @@
+include(${CMAKE_CURRENT_LIST_DIR}/Apple-lldb-macOS.cmake)
+
+# -j1 is required as simultaneously launching different processes on the simulator
+# doesn't work.
+set(LLVM_LIT_ARGS "-sv -j1" CACHE STRING "")
+set(LLDB_TEST_USER_ARGS "--apple-sdk;appletvsimulator;--platform-name;tvos-simulator" CACHE STRING "")
Index: lldb/cmake/caches/Apple-lldb-WatchSimulator.cmake
===================================================================
--- /dev/null
+++ lldb/cmake/caches/Apple-lldb-WatchSimulator.cmake
@@ -0,0 +1,6 @@
+include(${CMAKE_CURRENT_LIST_DIR}/Apple-lldb-macOS.cmake)
+
+# -j1 is required as simultaneously launching different processes on the simulator
+# doesn't work.
+set(LLVM_LIT_ARGS "-sv -j1" CACHE STRING "")
+set(LLDB_TEST_USER_ARGS "--apple-sdk;watchsimulator;--platform-name;watchos-simulator" CACHE STRING "")
Index: lldb/cmake/caches/Apple-lldb-iPhoneSimulator.cmake
===================================================================
--- /dev/null
+++ lldb/cmake/caches/Apple-lldb-iPhoneSimulator.cmake
@@ -0,0 +1,6 @@
+include(${CMAKE_CURRENT_LIST_DIR}/Apple-lldb-macOS.cmake)
+
+# -j1 is required as simultaneously launching different processes on the simulator
+# doesn't work.
+set(LLVM_LIT_ARGS "-sv -j1" CACHE STRING "")
+set(LLDB_TEST_USER_ARGS "--apple-sdk;iphonesimulator;--platform-name;ios-simulator" CACHE STRING "")