1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/ext-vector-indexing.c b/test/CodeGen/ext-vector-indexing.c
new file mode 100644
index 000000000000..28c0e1e9e25a
--- /dev/null
+++ b/test/CodeGen/ext-vector-indexing.c
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
+
+typedef __attribute__(( ext_vector_type(4) )) float float4;
+// CHECK: @test
+void test()
+{
+  float4 va;
+  va.hi[0] = 3.0;
+// CHECK:  [[VA:%.*]] = alloca <4 x float>
+// CHECK:  [[CONV:%.*]] = bitcast <4 x float>* [[VA]] to float*
+// CHECK:  [[ADD:%.*]] = getelementptr inbounds float* [[CONV]], i64 2
+// CHECK:  [[ARRIDX:%.*]] = getelementptr inbounds float* [[ADD]], i64 0
+// CHECK:   store float 3.000000e+00, float* [[ARRIDX]]
+}