1; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
2target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3
4; CHECK: Valid Region for Scop: bb14 => bb17
5
6; Make sure we do not detect the larger region bb14->bb19 that contains
7; a multi-dimensional memory access with a size of 'undef * undef'.
8
9define void @hoge(i8* %arg) {
10bb:
11  br label %bb6
12
13bb6:                                              ; preds = %bb
14  %tmp = mul i64 undef, undef
15  %tmp7 = add i64 %tmp, undef
16  %tmp8 = add i64 %tmp7, 0
17  %tmp9 = add i64 %tmp8, 8
18  %tmp10 = sub i64 %tmp9, undef
19  %tmp11 = getelementptr i8, i8* %arg, i64 %tmp10
20  %tmp12 = getelementptr inbounds i8, i8* %tmp11, i64 4
21  %tmp13 = getelementptr inbounds i8, i8* %tmp12, i64 20
22  br label %bb14
23
24bb14:                                             ; preds = %bb14, %bb6
25  %tmp15 = phi i32 [ %tmp16, %bb14 ], [ 2, %bb6 ]
26  %tmp16 = add nuw nsw i32 %tmp15, 1
27  br i1 false, label %bb14, label %bb17
28
29bb17:                                             ; preds = %bb14
30  %tmp18 = bitcast i8* %tmp13 to i32*
31  store i32 undef, i32* %tmp18, align 4
32  br label %bb19
33
34bb19:                                             ; preds = %bb17
35  unreachable
36}
37