Vendor import of llvm tags/RELEASE_33/final r183502 (effectively, 3.3

release):
http://llvm.org/svn/llvm-project/llvm/tags/RELEASE_33/final@183502

1 files changed, 16 insertions, 0 deletions

diff --git a/test/CodeGen/SystemZ/atomic-store-04.ll b/test/CodeGen/SystemZ/atomic-store-04.ll
new file mode 100644
index 0000000..7a611c8
--- /dev/null
+++ b/test/CodeGen/SystemZ/atomic-store-04.ll
@@ -0,0 +1,16 @@
+; Test 64-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(i64 %val, i64 *%src) {
+; CHECK: f1:
+; CHECK: lg %r0, 0(%r3)
+; CHECK: [[LABEL:\.[^:]*]]:
+; CHECK: csg %r0, %r2, 0(%r3)
+; CHECK: j{{g?}}lh [[LABEL]]
+; CHECK: br %r14
+  store atomic i64 %val, i64 *%src seq_cst, align 8
+  ret void
+}