; RUN: opt %loadPolly -polly-detect-unprofitable -basicaa -polly-codegen -polly-vectorizer=polly -dce -S < %s | FileCheck %s -check-prefix=CHECK
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"

@A = common global [1024 x float] zeroinitializer, align 16
@B = common global [1024 x double] zeroinitializer, align 16

define void @simple_vec_const() nounwind {
bb:
  br label %bb1

bb1:                                              ; preds = %bb3, %bb
  %indvar = phi i64 [ %indvar.next, %bb3 ], [ 0, %bb ]
  %scevgep = getelementptr [1024 x double], [1024 x double]* @B, i64 0, i64 %indvar
  %exitcond = icmp ne i64 %indvar, 4
  br i1 %exitcond, label %bb2, label %bb4

bb2:                                              ; preds = %bb1
  %tmp = load float, float* getelementptr inbounds ([1024 x float], [1024 x float]* @A, i64 0, i64 0), align 16
  %tmp2 = fpext float %tmp to double
  store double %tmp2, double* %scevgep, align 4
  br label %bb3

bb3:                                              ; preds = %bb2
  %indvar.next = add i64 %indvar, 1
  br label %bb1

bb4:                                              ; preds = %bb1
  ret void
}

; CHECK: %tmp_p_splat_one = load <1 x float>, <1 x float>* bitcast ([1024 x float]* @A to <1 x float>*), align 8, !alias.scope !0, !noalias !2
; CHECK: %tmp_p_splat = shufflevector <1 x float> %tmp_p_splat_one, <1 x float> %tmp_p_splat_one, <4 x i32> zeroinitializer
; CHECK: %0 = fpext <4 x float> %tmp_p_splat to <4 x double>
; CHECK: store <4 x double> %0, <4 x double>* bitcast ([1024 x double]* @B to <4 x double>*), align 8, !alias.scope !3, !noalias !4