Index: llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
===================================================================
--- llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
+++ llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
@@ -40,9 +40,9 @@
 //===----------------------------------------------------------------------===//
 // Data Barrier Instructions
 
-def int_aarch64_dmb : GCCBuiltin<"__builtin_arm_dmb">, Intrinsic<[], [llvm_i32_ty]>;
-def int_aarch64_dsb : GCCBuiltin<"__builtin_arm_dsb">, Intrinsic<[], [llvm_i32_ty]>;
-def int_aarch64_isb : GCCBuiltin<"__builtin_arm_isb">, Intrinsic<[], [llvm_i32_ty]>;
+def int_aarch64_dmb : GCCBuiltin<"__builtin_arm_dmb">, MSBuiltin<"__dmb">, Intrinsic<[], [llvm_i32_ty]>;
+def int_aarch64_dsb : GCCBuiltin<"__builtin_arm_dsb">, MSBuiltin<"__dsb">, Intrinsic<[], [llvm_i32_ty]>;
+def int_aarch64_isb : GCCBuiltin<"__builtin_arm_isb">, MSBuiltin<"__isb">, Intrinsic<[], [llvm_i32_ty]>;
 
 }