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