1 ; RUN: opt %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s
3 define void @foo(float* %a, i64 %n) {
5 ; CHECK: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* {{.*}}, align 4
6 ; CHECK-NEXT: [[TMP4:%.*]] = fneg <4 x float> [[WIDE_LOAD]]
7 ; CHECK: store <4 x float> [[TMP4]], <4 x float>* {{.*}}, align 4
13 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
14 %arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv
15 %0 = load float, float* %arrayidx, align 4
17 store float %sub, float* %arrayidx, align 4
18 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
19 %cmp = icmp eq i64 %indvars.iv.next, %n
20 br i1 %cmp, label %for.exit, label %for.body