new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36722 91177308-0d34-0410-b5e6-96231b3b80d8

test/C++Frontend/2007-05-03-VectorInit.cpp

@@ -0,0 +1,17 @@
+// RUN: %llvmgxx %s -S -emit-llvm -O0 -o - 
+// PR1378
+
+typedef float v4sf __attribute__((vector_size(16)));
+
+typedef v4sf float4;
+
+static float4 splat4(float a) 
+{
+  float4 tmp = {a,a,a,a};
+  return tmp;
+}
+
+float4 foo(float a)
+{
+  return splat4(a);
+}