xref: /llvm-project/llvm/test/Transforms/OpenMP/attributor_recursion_crash.ll (revision d33bca840a824f59296230e83181012a0b1ba7ec)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
2; RUN: opt -passes=openmp-opt -S < %s | FileCheck %s
3; TODO: This should have a second test case with a chain load->phi->load->phi
4;                                                           A              |
5;                                                           \-------------/
6
7%"struct.TS" = type { i32, ptr }
8
9define weak amdgpu_kernel void @k() {
10; CHECK-LABEL: define {{[^@]+}}@k() {
11; CHECK-NEXT:  BB1:
12; CHECK-NEXT:    br label [[BB2:%.*]]
13; CHECK:       BB2:
14; CHECK-NEXT:    [[DOTPRE158_I:%.*]] = phi ptr [ null, [[BB1:%.*]] ], [ [[PRE2:%.*]], [[BB6:%.*]] ]
15; CHECK-NEXT:    br i1 false, label [[BB4:%.*]], label [[BB3:%.*]]
16; CHECK:       BB3:
17; CHECK-NEXT:    br label [[BB4]]
18; CHECK:       BB4:
19; CHECK-NEXT:    [[PRE1:%.*]] = phi ptr [ [[DOTPRE158_I]], [[BB3]] ], [ null, [[BB2]] ]
20; CHECK-NEXT:    br i1 false, label [[BB6]], label [[BB5:%.*]]
21; CHECK:       BB5:
22; CHECK-NEXT:    [[GEP:%.*]] = getelementptr inbounds [[STRUCT_TS:%.*]], ptr [[PRE1]], i64 0, i32 1
23; CHECK-NEXT:    [[Q3:%.*]] = load ptr, ptr [[GEP]], align 8
24; CHECK-NEXT:    br label [[BB6]]
25; CHECK:       BB6:
26; CHECK-NEXT:    [[PRE2]] = phi ptr [ null, [[BB4]] ], [ [[Q3]], [[BB5]] ]
27; CHECK-NEXT:    br label [[BB2]]
28;
29BB1:
30  br label %BB2
31
32BB2:
33  %.pre158.i = phi ptr [ null, %BB1 ], [ %pre2, %BB6 ]
34  br i1 false, label %BB4, label %BB3
35
36BB3:
37  br label %BB4
38
39BB4:
40  %pre1 = phi ptr [ %.pre158.i, %BB3 ], [ null, %BB2 ]
41  br i1 false, label %BB6, label %BB5
42
43BB5:
44  %gep = getelementptr inbounds %"struct.TS", ptr %pre1, i64 0, i32 1
45  %q3 = load ptr, ptr %gep, align 8
46  br label %BB6
47
48BB6:
49  %pre2 = phi ptr [ null, %BB4 ], [ %q3, %BB5 ]
50  br label %BB2
51}
52
53!llvm.module.flags = !{!0, !1}
54
55!0 = !{i32 7, !"openmp", i32 50}
56!1 = !{i32 7, !"openmp-device", i32 50}
57