xref: /llvm-project/llvm/test/Transforms/OpenMP/deduplication_soundness.ll (revision 88e31f64a034ec6dead2106016ee5b797674edb0)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function main --scrub-attributes --filter "@omp_get_thread_limit|@use" --version 4
2; RUN: opt -passes=openmp-opt-cgscc -S < %s | FileCheck %s
3
4declare void @use(i32 noundef)
5declare i32 @omp_get_thread_limit()
6declare void @__kmpc_set_thread_limit(ptr, i32, i32)
7declare i32 @__kmpc_global_thread_num(ptr)
8declare noalias ptr @__kmpc_omp_task_alloc(ptr, i32, i32, i64, i64, ptr)
9declare void @__kmpc_omp_task_complete_if0(ptr, i32, ptr)
10declare void @__kmpc_omp_task_begin_if0(ptr, i32, ptr)
11
12%struct.ident_t = type { i32, i32, i32, i32, ptr }
13
14@0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
15@1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 22, ptr @0 }, align 8
16
17define i32 @main() local_unnamed_addr {
18; CHECK-LABEL: define i32 @main() local_unnamed_addr {
19; CHECK:    [[CALL_I_I_I:%.*]] = call i32 @omp_get_thread_limit()
20; CHECK:    call void @use(i32 noundef [[CALL_I_I_I]])
21; CHECK:    [[CALL_I_I_I2:%.*]] = call i32 @omp_get_thread_limit()
22; CHECK:    call void @use(i32 noundef [[CALL_I_I_I2]])
23;
24entry:
25  %0 = call i32 @__kmpc_global_thread_num(ptr nonnull @1)
26  %1 = call ptr @__kmpc_omp_task_alloc(ptr nonnull @1, i32 %0, i32 1, i64 40, i64 0, ptr nonnull @.omp_task_entry.)
27  call void @__kmpc_omp_task_begin_if0(ptr nonnull @1, i32 %0, ptr %1)
28  call void @__kmpc_set_thread_limit(ptr nonnull @1, i32 %0, i32 4)
29  %call.i.i.i = call i32 @omp_get_thread_limit()
30  call void @use(i32 noundef %call.i.i.i)
31  call void @__kmpc_omp_task_complete_if0(ptr nonnull @1, i32 %0, ptr %1)
32  %2 = call ptr @__kmpc_omp_task_alloc(ptr nonnull @1, i32 %0, i32 1, i64 40, i64 0, ptr nonnull @.omp_task_entry..2)
33  call void @__kmpc_omp_task_begin_if0(ptr nonnull @1, i32 %0, ptr %2)
34  call void @__kmpc_set_thread_limit(ptr nonnull @1, i32 %0, i32 3)
35  %call.i.i.i2 = call i32 @omp_get_thread_limit()
36  call void @use(i32 noundef %call.i.i.i2)
37  call void @__kmpc_omp_task_complete_if0(ptr nonnull @1, i32 %0, ptr %2)
38  ret i32 0
39}
40
41define internal noundef i32 @.omp_task_entry.(i32 noundef %0, ptr noalias nocapture noundef readonly %1) {
42entry:
43  tail call void @__kmpc_set_thread_limit(ptr nonnull @1, i32 %0, i32 4)
44  %call.i.i = tail call i32 @omp_get_thread_limit()
45  tail call void @use(i32 noundef %call.i.i)
46  ret i32 0
47}
48
49define internal noundef i32 @.omp_task_entry..2(i32 noundef %0, ptr noalias nocapture noundef readonly %1) {
50entry:
51  tail call void @__kmpc_set_thread_limit(ptr nonnull @1, i32 %0, i32 3)
52  %call.i.i = tail call i32 @omp_get_thread_limit()
53  tail call void @use(i32 noundef %call.i.i)
54  ret i32 0
55}
56
57!llvm.module.flags = !{!0}
58
59!0 = !{i32 7, !"openmp", i32 51}
60