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1; RUN: opt -loop-vectorize -tbaa -S -mattr=+neon < %s | FileCheck %s
2
3target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
4target triple = "armv7--linux-gnueabi"
5
6; This requires the loop vectorizer to create an interleaved access group
7; for the stores to the struct. Here we need to perform a bitcast from a vector
8; of pointers to a vector i32s.
9
10%class.A = type { i8*, i32 }
11
12; CHECK-LABEL: test0
13define void @test0(%class.A* %StartPtr, %class.A* %APtr) {
14entry:
15  br label %for.body.i
16
17for.body.i:
18  %addr = phi %class.A* [ %StartPtr, %entry ], [ %incdec.ptr.i, %for.body.i ]
19  %Data.i.i = getelementptr inbounds %class.A, %class.A* %addr, i32 0, i32 0
20  store i8* null, i8** %Data.i.i, align 4, !tbaa !8
21  %Length.i.i = getelementptr inbounds %class.A, %class.A* %addr, i32 0, i32 1
22  store i32 0, i32* %Length.i.i, align 4, !tbaa !11
23  %incdec.ptr.i = getelementptr inbounds %class.A, %class.A* %addr, i32 1
24  %cmp.i = icmp eq %class.A* %incdec.ptr.i, %APtr
25  br i1 %cmp.i, label %exit, label %for.body.i
26
27exit:
28  ret void
29}
30
31!5 = !{!"any pointer", !6, i64 0}
32!6 = !{!"omnipotent char", !7, i64 0}
33!7 = !{!"Simple C/C++ TBAA"}
34!8 = !{!9, !5, i64 0}
35!9 = !{!5, i64 0, !10, i64 4}
36!10 = !{!"int", !6, i64 0}
37!11 = !{!9, !10, i64 4}
38