llvm-project/clang/test/CodeGenCXX/2007-05-03-VectorInit.cpp

// RUN: %clang_cc1 -emit-llvm %s -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);
}