xref: /llvm-project/llvm/test/Transforms/LoopVectorize/ARM/vector_cast.ll (revision 2fab927546b34f5af7770541a9bbb974d9818c5c)
1; RUN: opt -passes=loop-vectorize -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 { ptr, i32 }
11
12; CHECK-LABEL: test0
13define void @test0(ptr %StartPtr, ptr %APtr) {
14entry:
15  br label %for.body.i
16
17for.body.i:
18  %addr = phi ptr [ %StartPtr, %entry ], [ %incdec.ptr.i, %for.body.i ]
19  store ptr null, ptr %addr, align 4, !tbaa !8
20  %Length.i.i = getelementptr inbounds %class.A, ptr %addr, i32 0, i32 1
21  store i32 0, ptr %Length.i.i, align 4, !tbaa !11
22  %incdec.ptr.i = getelementptr inbounds %class.A, ptr %addr, i32 1
23  %cmp.i = icmp eq ptr %incdec.ptr.i, %APtr
24  br i1 %cmp.i, label %exit, label %for.body.i
25
26exit:
27  ret void
28}
29
30!5 = !{!"any pointer", !6, i64 0}
31!6 = !{!"omnipotent char", !7, i64 0}
32!7 = !{!"Simple C/C++ TBAA"}
33!8 = !{!9, !5, i64 0}
34!9 = !{!"some struct", !5, i64 0, !10, i64 4}
35!10 = !{!"int", !6, i64 0}
36!11 = !{!9, !10, i64 4}
37