1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/atomic-store-05.ll b/llvm/test/CodeGen/SystemZ/atomic-store-05.ll
new file mode 100644
index 00000000000..e0ea660852b
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/atomic-store-05.ll
@@ -0,0 +1,25 @@
+; Test 128-bit atomic stores.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+define void @f1(i128 %val, i128 *%src) {
+; CHECK-LABEL: f1:
+; CHECK-DAG: lg %r1, 8(%r2)
+; CHECK-DAG: lg %r0, 0(%r2)
+; CHECK: stpq %r0, 0(%r3)
+; CHECK: bcr 1{{[45]}}, %r0
+; CHECK: br %r14
+  store atomic i128 %val, i128 *%src seq_cst, align 16
+  ret void
+}
+
+define void @f2(i128 %val, i128 *%src) {
+; CHECK-LABEL: f2:
+; CHECK-DAG: lg %r1, 8(%r2)
+; CHECK-DAG: lg %r0, 0(%r2)
+; CHECK: stpq %r0, 0(%r3)
+; CHECK-NOT: bcr 1{{[45]}}, %r0
+; CHECK: br %r14
+  store atomic i128 %val, i128 *%src monotonic, align 16
+  ret void
+}