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"
4target triple = "x86_64-apple-macosx10.9.0"
5
6; CHECK-LABEL: @lshr_exact(
7; CHECK: lshr exact <4 x i32>
8define void @lshr_exact(i32* %x) {
9entry:
10  br label %for.body
11
12for.body:
13  %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
14  %arrayidx = getelementptr inbounds i32* %x, i64 %iv
15  %0 = load i32* %arrayidx, align 4
16  %conv1 = lshr exact i32 %0, 1
17  store i32 %conv1, i32* %arrayidx, align 4
18  %iv.next = add nuw nsw i64 %iv, 1
19  %exitcond = icmp eq i64 %iv.next, 256
20  br i1 %exitcond, label %for.end, label %for.body
21
22for.end:
23  ret void
24}
25