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1; RUN: opt -loop-vectorize %s -mtriple=arm64-apple-iphoneos -S | FileCheck %s
2
3; CHECK-LABEL: define void @test(
4; CHECK: vector.body
5
6define void @test(i64* %dst, i32* %src) {
7entry:
8  %l = load i32, i32* %src
9  br label %loop.ph
10
11loop.ph:
12  br label %loop
13
14loop:
15  %iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop ]
16  %l.cast = sext i32 %l to i64
17  %dst.idx = getelementptr i64, i64* %dst, i64 %iv
18  store i64 %l.cast, i64* %dst.idx
19  %iv.next = add nuw nsw i64 %iv, 1
20  %cmp9.us = icmp ult i64 %iv.next, 20
21  br i1 %cmp9.us, label %loop, label %exit
22
23exit:
24  ret void
25}
26