xref: /llvm-project/polly/test/ScopDetect/multidim-with-undef-size.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly '-passes=print<polly-detect>' -disable-output < %s 2>&1 | 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(ptr %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, ptr %arg, i64 %tmp10
20  %tmp12 = getelementptr inbounds i8, ptr %tmp11, i64 4
21  %tmp13 = getelementptr inbounds i8, ptr %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  store i32 undef, ptr %tmp13, align 4
31  br label %bb19
32
33bb19:                                             ; preds = %bb17
34  unreachable
35}
36