vendor/llvm/llvm-release_33-r183502

1 files changed, 13 insertions, 0 deletions

diff --git a/test/CodeGen/SystemZ/atomic-load-01.ll b/test/CodeGen/SystemZ/atomic-load-01.ll
new file mode 100644
index 0000000000000..3e86bcf78ae68
--- /dev/null
+++ b/test/CodeGen/SystemZ/atomic-load-01.ll
@@ -0,0 +1,13 @@
+; Test 8-bit atomic loads.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; This is just a placeholder to make sure that loads are handled.
+; The CS-based sequence is probably far too conservative.
+define i8 @f1(i8 *%src) {
+; CHECK: f1:
+; CHECK: cs
+; CHECK: br %r14
+  %val = load atomic i8 *%src seq_cst, align 1
+  ret i8 %val
+}