--- /dev/null
+// Make sure SystemZ defaults to using the integrated assembler
+
+// RUN: %clang -target s390x-ibm-linux -### -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=DEFAULT %s
+// DEFAULT: "-cc1as"{{.*}} "-target-cpu" "z10"
+
+// RUN: %clang -target s390x-ibm-linux -integrated-as -### -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=IAS %s
+// IAS: "-cc1as"{{.*}} "-target-cpu" "z10"
+
+// RUN: %clang -target s390x-ibm-linux -no-integrated-as -### -c %s 2>&1 \
+// RUN: | FileCheck -check-prefix=NO-IAS %s
+// NO-IAS: "-march=z10"
+