vendor/llvm/llvm-release_33-r183502

1 files changed, 16 insertions, 0 deletions

diff --git a/test/CodeGen/SystemZ/atomic-store-03.ll b/test/CodeGen/SystemZ/atomic-store-03.ll
new file mode 100644
index 000000000000..6e2996313db6
--- /dev/null
+++ b/test/CodeGen/SystemZ/atomic-store-03.ll
@@ -0,0 +1,16 @@
+; Test 32-bit atomic stores.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; This is just a placeholder to make sure that stores are handled.
+; Using CS is probably too conservative.
+define void @f1(i32 %val, i32 *%src) {
+; CHECK: f1:
+; CHECK: l %r0, 0(%r3)
+; CHECK: [[LABEL:\.[^:]*]]:
+; CHECK: cs %r0, %r2, 0(%r3)
+; CHECK: j{{g?}}lh [[LABEL]]
+; CHECK: br %r14
+  store atomic i32 %val, i32 *%src seq_cst, align 4
+  ret void
+}