1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr28489.ll b/test/CodeGen/X86/pr28489.ll
new file mode 100644
index 000000000000..898b0870b65d
--- /dev/null
+++ b/test/CodeGen/X86/pr28489.ll
@@ -0,0 +1,15 @@
+; ; RUN: llc < %s -mtriple=i686-pc-linux -O0 | FileCheck %s
+declare void @g(i32, i1)
+
+;CHECK-LABEL: f:
+;CHECK: cmpxchg8b
+;CHECK: sete %cl
+;CHECK: movzbl %cl
+define void @f(i64* %arg, i64 %arg1) {
+entry:
+  %tmp5 = cmpxchg i64* %arg, i64 %arg1, i64 %arg1 seq_cst seq_cst
+  %tmp7 = extractvalue { i64, i1 } %tmp5, 1
+  %tmp9 = zext i1 %tmp7 to i32
+  call void @g(i32 %tmp9, i1 %tmp7)
+  ret void
+}