1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --include-generated-funcs
2; RUN: opt -S -passes=openmp-opt < %s | FileCheck %s
3
4%struct.ident_t = type { i32, i32, i32, i32, i8* }
5
6@0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
7@1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @0, i32 0, i32 0) }, align 8
8@_ZL6Device = internal global double 0.000000e+00, align 8
9@__omp_offloading_fd02_85283c04_main_l11_exec_mode = weak constant i8 0
10
11define weak void @__omp_offloading_fd02_85283c04_main_l11(double* nonnull align 8 dereferenceable(8) %X) local_unnamed_addr {
12entry:
13  %0 = tail call i32 @__kmpc_target_init(%struct.ident_t* nonnull @1, i8 2, i1 false, i1 false) #0
14  %exec_user_code = icmp eq i32 %0, -1
15  br i1 %exec_user_code, label %user_code.entry, label %common.ret
16
17common.ret:
18  ret void
19
20user_code.entry:
21  %1 = load double, double* @_ZL6Device, align 8, !tbaa !11
22  %2 = tail call i32 @__kmpc_get_hardware_thread_id_in_block() #0
23  %3 = icmp eq i32 %2, 0
24  br i1 %3, label %region.guarded, label %region.barrier
25
26region.guarded:
27  store double %1, double* %X, align 8, !tbaa !11
28  br label %region.barrier
29
30region.barrier:
31  tail call void @__kmpc_barrier_simple_spmd(%struct.ident_t* nonnull @1, i32 %2)
32  tail call void @__kmpc_target_deinit(%struct.ident_t* nonnull @1, i8 2, i1 false) #0
33  br label %common.ret
34}
35
36declare i32 @__kmpc_target_init(%struct.ident_t*, i8, i1, i1) local_unnamed_addr
37
38declare void @__kmpc_target_deinit(%struct.ident_t*, i8, i1) local_unnamed_addr
39
40define internal void @__omp_offloading__fd02_85283c04_Device_l6_ctor() {
41entry:
42  %call.i = tail call double @__nv_log(double noundef 2.000000e+00) #1
43  %call.i2 = tail call double @__nv_log(double noundef 2.000000e+00) #1
44  %div = fdiv double %call.i, %call.i2
45  store double %div, double* @_ZL6Device, align 8, !tbaa !11
46  ret void
47}
48
49declare double @__nv_log(double)
50
51declare i32 @__kmpc_get_hardware_thread_id_in_block()
52
53declare void @__kmpc_barrier_simple_spmd(%struct.ident_t*, i32)
54
55attributes #0 = { nounwind }
56attributes #1 = { convergent nounwind }
57
58!omp_offload.info = !{!0, !1, !2}
59!nvvm.annotations = !{!3, !4}
60!llvm.module.flags = !{!5, !6, !7, !8, !9}
61!llvm.ident = !{!10}
62
63!0 = !{i32 0, i32 64770, i32 -2060960764, !"__omp_offloading__fd02_85283c04_Device_l6_ctor", i32 6, i32 1}
64!1 = !{i32 0, i32 64770, i32 -2060960764, !"main", i32 11, i32 2}
65!2 = !{i32 1, !"_ZL6Device", i32 0, i32 0}
66!3 = !{void ()* @__omp_offloading__fd02_85283c04_Device_l6_ctor, !"kernel", i32 1}
67!4 = !{void (double*)* @__omp_offloading_fd02_85283c04_main_l11, !"kernel", i32 1}
68!5 = !{i32 1, !"wchar_size", i32 4}
69!6 = !{i32 7, !"openmp", i32 50}
70!7 = !{i32 7, !"openmp-device", i32 50}
71!8 = !{i32 7, !"PIC Level", i32 2}
72!9 = !{i32 7, !"frame-pointer", i32 2}
73!10 = !{!"clang version 14.0.0"}
74!11 = !{!12, !12, i64 0}
75!12 = !{!"double", !13, i64 0}
76!13 = !{!"omnipotent char", !14, i64 0}
77!14 = !{!"Simple C++ TBAA"}
78; CHECK-LABEL: define {{[^@]+}}@__omp_offloading_fd02_85283c04_main_l11
79; CHECK-SAME: (double* nonnull align 8 dereferenceable(8) [[X:%.*]]) local_unnamed_addr {
80; CHECK-NEXT:  entry:
81; CHECK-NEXT:    [[TMP0:%.*]] = tail call i32 @__kmpc_target_init(%struct.ident_t* nonnull @[[GLOB1:[0-9]+]], i8 2, i1 false, i1 false) #[[ATTR1:[0-9]+]]
82; CHECK-NEXT:    [[EXEC_USER_CODE:%.*]] = icmp eq i32 [[TMP0]], -1
83; CHECK-NEXT:    br i1 [[EXEC_USER_CODE]], label [[USER_CODE_ENTRY:%.*]], label [[COMMON_RET:%.*]]
84; CHECK:       common.ret:
85; CHECK-NEXT:    ret void
86; CHECK:       user_code.entry:
87; CHECK-NEXT:    [[TMP1:%.*]] = load double, double* @_ZL6Device, align 8, !tbaa [[TBAA11:![0-9]+]]
88; CHECK-NEXT:    [[TMP2:%.*]] = tail call i32 @__kmpc_get_hardware_thread_id_in_block() #[[ATTR1]]
89; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i32 [[TMP2]], 0
90; CHECK-NEXT:    br i1 [[TMP3]], label [[REGION_GUARDED:%.*]], label [[REGION_BARRIER:%.*]]
91; CHECK:       region.guarded:
92; CHECK-NEXT:    store double [[TMP1]], double* [[X]], align 8, !tbaa [[TBAA11]]
93; CHECK-NEXT:    br label [[REGION_BARRIER]]
94; CHECK:       region.barrier:
95; CHECK-NEXT:    tail call void @__kmpc_barrier_simple_spmd(%struct.ident_t* nonnull @[[GLOB1]], i32 [[TMP2]]) #[[ATTR1]]
96; CHECK-NEXT:    tail call void @__kmpc_target_deinit(%struct.ident_t* nonnull @[[GLOB1]], i8 2, i1 false) #[[ATTR1]]
97; CHECK-NEXT:    br label [[COMMON_RET]]
98;
99