1 ; RUN: opt < %s -scev-aa -loop-vectorize -print-alias-sets -S -o - 2>&1 | FileCheck %s
2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 ; Just check that we don't crash on this test.
7 define void @foo(float** noalias nocapture readonly %in, i32* noalias nocapture readonly %isCompressed, float* noalias nocapture readonly %out) {
9 %tmp = getelementptr float*, float** %in, i32 0
10 %in_0 = load float*, float** %tmp, !alias.scope !0
11 %tmp1 = getelementptr i32, i32* %isCompressed, i32 0
12 %isCompressed_0 = load i32, i32* %tmp1, !alias.scope !1
13 %tmp2 = getelementptr float*, float** %in, i32 1
14 %in_1 = load float*, float** %tmp2, !alias.scope !2
15 %tmp3 = getelementptr i32, i32* %isCompressed, i32 1
16 %isCompressed_1 = load i32, i32* %tmp3, !alias.scope !3
17 br label %for_each_frames
20 %frameIndex = phi i32 [ 0, %entry_block ], [ %nextFrameIndex, %for_each_frames_end ]
21 %nextFrameIndex = add nuw nsw i32 %frameIndex, 2
22 br label %for_each_channel
25 %channelIndex = phi i32 [ 0, %for_each_frames ], [ %nextChannelIndex, %for_each_channel ]
26 %nextChannelIndex = add nuw nsw i32 %channelIndex, 1
27 %tmp4 = add i32 %frameIndex, %channelIndex
28 %tmp5 = xor i32 %isCompressed_0, 1
29 %tmp6 = mul i32 %frameIndex, %tmp5
30 %offset0 = add i32 %tmp6, %channelIndex
31 %tmp7 = getelementptr float, float* %in_0, i32 %offset0
32 %in_0_index = load float, float* %tmp7, align 4, !alias.scope !4
33 %tmp8 = xor i32 %isCompressed_1, 1
34 %tmp9 = mul i32 %frameIndex, %tmp8
35 %offset1 = add i32 %tmp9, %channelIndex
36 %tmp10 = getelementptr float, float* %in_1, i32 %offset1
37 %in_1_index = load float, float* %tmp10, align 4, !alias.scope !5
38 %tmp11 = fadd float %in_0_index, %in_1_index
39 %tmp12 = getelementptr float, float* %out, i32 %tmp4
40 store float %tmp11, float* %tmp12, align 4, !alias.noalias !6
41 %tmp13 = icmp eq i32 %nextChannelIndex, 2
42 br i1 %tmp13, label %for_each_frames_end, label %for_each_channel
45 %tmp14 = icmp eq i32 %nextFrameIndex, 512
46 br i1 %tmp14, label %return, label %for_each_frames
53 !1 = distinct !{!1, !0}
54 !2 = distinct !{!2, !0}
55 !3 = distinct !{!3, !0}
56 !4 = distinct !{!4, !0}
57 !5 = distinct !{!5, !0}
58 !6 = !{!2, !3, !4, !5, !1}