1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/union-1.ll b/test/CodeGen/Hexagon/union-1.ll
new file mode 100644
index 0000000000..7c6da744ec
--- /dev/null
+++ b/test/CodeGen/Hexagon/union-1.ll
@@ -0,0 +1,23 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+; CHECK: word
+; CHECK-NOT: combine(#0
+; CHECK: jump bar
+
+define void @word(i32* nocapture %a) nounwind {
+entry:
+  %0 = load i32* %a, align 4, !tbaa !0
+  %1 = zext i32 %0 to i64
+  %add.ptr = getelementptr inbounds i32* %a, i32 1
+  %2 = load i32* %add.ptr, align 4, !tbaa !0
+  %3 = zext i32 %2 to i64
+  %4 = shl nuw i64 %3, 32
+  %ins = or i64 %4, %1
+  tail call void @bar(i64 %ins) nounwind
+  ret void
+}
+
+declare void @bar(i64)
+
+!0 = metadata !{metadata !"int", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA"}