1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/ext-vector-shuffle.c b/test/CodeGen/ext-vector-shuffle.c
new file mode 100644
index 0000000..37d3ed4
--- /dev/null
+++ b/test/CodeGen/ext-vector-shuffle.c
@@ -0,0 +1,15 @@
+// RUN: clang-cc %s -emit-llvm -o - | not grep 'extractelement'
+// RUN: clang-cc %s -emit-llvm -o - | not grep 'insertelement'
+// RUN: clang-cc %s -emit-llvm -o - | grep 'shufflevector'
+
+typedef __attribute__(( ext_vector_type(2) )) float float2;
+typedef __attribute__(( ext_vector_type(4) )) float float4;
+
+float2 test1(float4 V) {
+  return V.xy + V.wz;
+}
+
+float4 test2(float4 V) {
+  float2 W = V.ww;
+  return W.xyxy + W.yxyx;
+}