1 files changed, 0 insertions, 29 deletions
diff --git a/contrib/llvm/cmake/modules/CheckAtomic.cmake b/contrib/llvm/cmake/modules/CheckAtomic.cmake
deleted file mode 100644
index f40ff4d..0000000
--- a/contrib/llvm/cmake/modules/CheckAtomic.cmake
+++ /dev/null
@@ -1,29 +0,0 @@
-# atomic builtins are required for threading support.
-
-INCLUDE(CheckCXXSourceCompiles)
-
-CHECK_CXX_SOURCE_COMPILES("
-#ifdef _MSC_VER
-#include <windows.h>
-#endif
-int main() {
-#ifdef _MSC_VER
-        volatile LONG val = 1;
-        MemoryBarrier();
-        InterlockedCompareExchange(&val, 0, 1);
-        InterlockedIncrement(&val);
-        InterlockedDecrement(&val);
-#else
-        volatile unsigned long val = 1;
-        __sync_synchronize();
-        __sync_val_compare_and_swap(&val, 1, 0);
-        __sync_add_and_fetch(&val, 1);
-        __sync_sub_and_fetch(&val, 1);
-#endif
-        return 0;
-      }
-" LLVM_MULTITHREADED)
-
-if( NOT LLVM_MULTITHREADED )
-  message(STATUS "Warning: LLVM will be built thread-unsafe because atomic builtins are missing")
-endif()