diff --git a/clang/test/OpenMP/aux-triple-macros.cpp b/clang/test/OpenMP/aux-triple-macros.cpp
new file mode 100644
--- /dev/null
+++ b/clang/test/OpenMP/aux-triple-macros.cpp
@@ -0,0 +1,5 @@
+// RUN: %clang_cc1 %s -triple nvptx64 -aux-triple x86_64-unknown-linux-gnu -E -dM | FileCheck %s
+// RUN: %clang_cc1 %s -fopenmp -fopenmp-is-device -triple nvptx64 -aux-triple x86_64-unknown-linux-gnu -E -dM | FileCheck --check-prefix=CHECK-OMP-DEVICE %s
+
+// CHECK-NOT:#define __x86_64__ 1
+// CHECK-OMP-DEVICE:#define __x86_64__ 1