1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/align-systemz.c b/test/CodeGen/align-systemz.c
new file mode 100644
index 000000000000..68a21e39ab36
--- /dev/null
+++ b/test/CodeGen/align-systemz.c
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -triple s390x-linux-gnu -emit-llvm %s -o - | FileCheck %s
+
+// SystemZ prefers to align all global variables to two bytes.
+
+struct test {
+   signed char a;
+};
+
+char c;
+// CHECK-DAG: @c = common global i8 0, align 2
+
+struct test s;
+// CHECK-DAG: @s = common global %struct.test zeroinitializer, align 2
+
+extern char ec;
+// CHECK-DAG: @ec = external global i8, align 2
+
+extern struct test es;
+// CHECK-DAG: @es = external global %struct.test, align 2
+
+// Dummy function to make sure external symbols are used.
+void func (void)
+{
+  c = ec;
+  s = es;
+}
+