1 ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
3 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-S128"
4 target triple = "x86_64-apple-macosx10.8.0"
6 @a = common global [2048 x i32] zeroinitializer, align 16
7 @b = common global [2048 x i32] zeroinitializer, align 16
8 @c = common global [2048 x i32] zeroinitializer, align 16
10 ;CHECK-LABEL: @example1(
11 ;CHECK: load <4 x i32>
12 ; make sure that we have a scalar condition and a vector operand.
13 ;CHECK: select i1 %cond, <4 x i32>
14 ;CHECK: store <4 x i32>
16 define void @example1(i1 %cond) nounwind uwtable ssp {
19 ; <label>:1 ; preds = %1, %0
20 %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
21 %2 = getelementptr inbounds [2048 x i32]* @b, i64 0, i64 %indvars.iv
22 %3 = load i32* %2, align 4
23 %4 = getelementptr inbounds [2048 x i32]* @c, i64 0, i64 %indvars.iv
24 %5 = load i32* %4, align 4
25 %6 = add nsw i32 %5, %3
26 %7 = getelementptr inbounds [2048 x i32]* @a, i64 0, i64 %indvars.iv
27 %sel = select i1 %cond, i32 %6, i32 zeroinitializer
28 store i32 %sel, i32* %7, align 4
29 %indvars.iv.next = add i64 %indvars.iv, 1
30 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
31 %exitcond = icmp eq i32 %lftr.wideiv, 256
32 br i1 %exitcond, label %8, label %1
34 ; <label>:8 ; preds = %1