1; RUN: opt < %s  -loop-vectorize -force-vector-width=4 -S | FileCheck %s
2
3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4
5; CHECK-LABEL: @lshr_exact(
6; CHECK: lshr exact <4 x i32>
7define void @lshr_exact(i32* %x) {
8entry:
9  br label %for.body
10
11for.body:
12  %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
13  %arrayidx = getelementptr inbounds i32, i32* %x, i64 %iv
14  %0 = load i32, i32* %arrayidx, align 4
15  %conv1 = lshr exact i32 %0, 1
16  store i32 %conv1, i32* %arrayidx, align 4
17  %iv.next = add nuw nsw i64 %iv, 1
18  %exitcond = icmp eq i64 %iv.next, 256
19  br i1 %exitcond, label %for.end, label %for.body
20
21for.end:
22  ret void
23}
24