1*67e74705SXin Li // RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s
2*67e74705SXin Li // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
3*67e74705SXin Li // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck %s
4*67e74705SXin Li // expected-no-diagnostics
5*67e74705SXin Li // REQUIRES: x86-registered-target
6*67e74705SXin Li #ifndef HEADER
7*67e74705SXin Li #define HEADER
8*67e74705SXin Li // CHECK-LABEL: foo
foo()9*67e74705SXin Li void foo() {};
10*67e74705SXin Li // CHECK-LABEL: bar
bar()11*67e74705SXin Li void bar() {};
12*67e74705SXin Li
13*67e74705SXin Li template <class T>
tmain()14*67e74705SXin Li T tmain() {
15*67e74705SXin Li #pragma omp parallel sections
16*67e74705SXin Li {
17*67e74705SXin Li foo();
18*67e74705SXin Li }
19*67e74705SXin Li return T();
20*67e74705SXin Li }
21*67e74705SXin Li
22*67e74705SXin Li // CHECK-LABEL: @main
main()23*67e74705SXin Li int main() {
24*67e74705SXin Li // CHECK: call void (%{{.+}}*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*))
25*67e74705SXin Li // CHECK-LABEL: }
26*67e74705SXin Li // CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* noalias [[GTID_PARAM_ADDR:%.+]], i32* noalias %{{.+}})
27*67e74705SXin Li // CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
28*67e74705SXin Li #pragma omp parallel sections
29*67e74705SXin Li {
30*67e74705SXin Li // CHECK: store i32 0, i32* [[LB_PTR:%.+]],
31*67e74705SXin Li // CHECK: store i32 1, i32* [[UB_PTR:%.+]],
32*67e74705SXin Li // CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
33*67e74705SXin Li // CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
34*67e74705SXin Li // CHECK: call void @__kmpc_for_static_init_4(%{{.+}}* @{{.+}}, i32 [[GTID]], i32 34, i32* [[IS_LAST_PTR:%.+]], i32* [[LB_PTR]], i32* [[UB_PTR]], i32* [[STRIDE_PTR:%.+]], i32 1, i32 1)
35*67e74705SXin Li // <<UB = min(UB, GlobalUB);>>
36*67e74705SXin Li // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]]
37*67e74705SXin Li // CHECK: [[CMP:%.+]] = icmp slt i32 [[UB]], 1
38*67e74705SXin Li // CHECK: [[MIN_UB_GLOBALUB:%.+]] = select i1 [[CMP]], i32 [[UB]], i32 1
39*67e74705SXin Li // CHECK: store i32 [[MIN_UB_GLOBALUB]], i32* [[UB_PTR]]
40*67e74705SXin Li // <<IV = LB;>>
41*67e74705SXin Li // CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]]
42*67e74705SXin Li // CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]]
43*67e74705SXin Li // CHECK: br label %[[INNER_FOR_COND:.+]]
44*67e74705SXin Li // CHECK: [[INNER_FOR_COND]]
45*67e74705SXin Li // <<IV <= UB?>>
46*67e74705SXin Li // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
47*67e74705SXin Li // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]]
48*67e74705SXin Li // CHECK: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
49*67e74705SXin Li // CHECK: br i1 [[CMP]], label %[[INNER_LOOP_BODY:.+]], label %[[INNER_LOOP_END:.+]]
50*67e74705SXin Li // CHECK: [[INNER_LOOP_BODY]]
51*67e74705SXin Li // <<TRUE>> - > <BODY>
52*67e74705SXin Li // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
53*67e74705SXin Li // CHECK: switch i32 [[IV]], label %[[SECTIONS_EXIT:.+]] [
54*67e74705SXin Li // CHECK-NEXT: i32 0, label %[[SECTIONS_CASE0:.+]]
55*67e74705SXin Li // CHECK-NEXT: i32 1, label %[[SECTIONS_CASE1:.+]]
56*67e74705SXin Li #pragma omp section
57*67e74705SXin Li // CHECK: [[SECTIONS_CASE0]]
58*67e74705SXin Li // CHECK-NEXT: invoke void @{{.*}}foo{{.*}}()
59*67e74705SXin Li // CHECK: br label %[[SECTIONS_EXIT]]
60*67e74705SXin Li foo();
61*67e74705SXin Li #pragma omp section
62*67e74705SXin Li // CHECK: [[SECTIONS_CASE1]]
63*67e74705SXin Li // CHECK-NEXT: invoke void @{{.*}}bar{{.*}}()
64*67e74705SXin Li // CHECK: br label %[[SECTIONS_EXIT]]
65*67e74705SXin Li bar();
66*67e74705SXin Li // CHECK: [[SECTIONS_EXIT]]
67*67e74705SXin Li // <<++IV;>>
68*67e74705SXin Li // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
69*67e74705SXin Li // CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1
70*67e74705SXin Li // CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]]
71*67e74705SXin Li // CHECK-NEXT: br label %[[INNER_FOR_COND]]
72*67e74705SXin Li // CHECK: [[INNER_LOOP_END]]
73*67e74705SXin Li }
74*67e74705SXin Li // CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]])
75*67e74705SXin Li return tmain<int>();
76*67e74705SXin Li }
77*67e74705SXin Li
78*67e74705SXin Li // CHECK-LABEL: tmain
79*67e74705SXin Li // CHECK: call void {{.*}} @__kmpc_fork_call(
80*67e74705SXin Li // CHECK-NOT: __kmpc_global_thread_num
81*67e74705SXin Li // CHECK: call void @__kmpc_for_static_init_4(
82*67e74705SXin Li // CHECK: invoke void @{{.*}}foo{{.*}}()
83*67e74705SXin Li // CHECK-NEXT: unwind label %[[TERM_LPAD:.+]]
84*67e74705SXin Li // CHECK: call void @__kmpc_for_static_fini(
85*67e74705SXin Li // CHECK-NEXT: ret
86*67e74705SXin Li // CHECK: [[TERM_LPAD]]
87*67e74705SXin Li // CHECK: call void @__clang_call_terminate(i8*
88*67e74705SXin Li // CHECK-NEXT: unreachable
89*67e74705SXin Li
90*67e74705SXin Li #endif
91