blob: 6fc687d0c503e61997f5ecb8665a1e4b4ebf6d6f [file] [log] [blame]
Alexey Bataevdb390212015-05-20 04:24:19 +00001// RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s
2// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
3// 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
Alexey Bataev68adb7d2015-04-14 03:29:22 +00004// expected-no-diagnostics
Alexey Bataev68adb7d2015-04-14 03:29:22 +00005#ifndef HEADER
6#define HEADER
Alexey Bataev68adb7d2015-04-14 03:29:22 +00007// CHECK-LABEL: foo
8void foo() {};
9// CHECK-LABEL: bar
10void bar() {};
11
12template <class T>
13T tmain() {
14#pragma omp parallel sections
15 {
16 foo();
17 }
18 return T();
19}
20
21// CHECK-LABEL: @main
22int main() {
Alexey Bataev2377fe92015-09-10 08:12:02 +000023// 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*, ...)*))
Alexey Bataev68adb7d2015-04-14 03:29:22 +000024// CHECK-LABEL: }
Alexey Bataev2377fe92015-09-10 08:12:02 +000025// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* noalias [[GTID_PARAM_ADDR:%.+]], i32* noalias %{{.+}})
Alexey Bataev68adb7d2015-04-14 03:29:22 +000026// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
27#pragma omp parallel sections
28 {
29// CHECK: store i32 0, i32* [[LB_PTR:%.+]],
30// CHECK: store i32 1, i32* [[UB_PTR:%.+]],
31// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
32// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
33// 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)
34// <<UB = min(UB, GlobalUB);>>
35// CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]]
36// CHECK: [[CMP:%.+]] = icmp slt i32 [[UB]], 1
37// CHECK: [[MIN_UB_GLOBALUB:%.+]] = select i1 [[CMP]], i32 [[UB]], i32 1
38// CHECK: store i32 [[MIN_UB_GLOBALUB]], i32* [[UB_PTR]]
39// <<IV = LB;>>
40// CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]]
41// CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]]
42// CHECK: br label %[[INNER_FOR_COND:.+]]
43// CHECK: [[INNER_FOR_COND]]
44// <<IV <= UB?>>
45// CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
46// CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]]
47// CHECK: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
48// CHECK: br i1 [[CMP]], label %[[INNER_LOOP_BODY:.+]], label %[[INNER_LOOP_END:.+]]
49// CHECK: [[INNER_LOOP_BODY]]
50// <<TRUE>> - > <BODY>
51// CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
52// CHECK: switch i32 [[IV]], label %[[SECTIONS_EXIT:.+]] [
53// CHECK-NEXT: i32 0, label %[[SECTIONS_CASE0:.+]]
54// CHECK-NEXT: i32 1, label %[[SECTIONS_CASE1:.+]]
55#pragma omp section
56// CHECK: [[SECTIONS_CASE0]]
57// CHECK-NEXT: invoke void @{{.*}}foo{{.*}}()
58// CHECK: br label %[[SECTIONS_EXIT]]
59 foo();
60#pragma omp section
61// CHECK: [[SECTIONS_CASE1]]
62// CHECK-NEXT: invoke void @{{.*}}bar{{.*}}()
63// CHECK: br label %[[SECTIONS_EXIT]]
64 bar();
65// CHECK: [[SECTIONS_EXIT]]
66// <<++IV;>>
67// CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
68// CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1
69// CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]]
70// CHECK-NEXT: br label %[[INNER_FOR_COND]]
71// CHECK: [[INNER_LOOP_END]]
72 }
73// CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]])
Alexey Bataev68adb7d2015-04-14 03:29:22 +000074 return tmain<int>();
75}
76
77// CHECK-LABEL: tmain
78// CHECK: call void {{.*}} @__kmpc_fork_call(
79// CHECK-NOT: __kmpc_global_thread_num
Alexey Bataev3015bcc2016-01-22 08:56:50 +000080// CHECK: call void @__kmpc_for_static_init_4(
81// CHECK: invoke void @{{.*}}foo{{.*}}()
Alexey Bataev68adb7d2015-04-14 03:29:22 +000082// CHECK-NEXT: unwind label %[[TERM_LPAD:.+]]
Alexey Bataev3015bcc2016-01-22 08:56:50 +000083// CHECK: call void @__kmpc_for_static_fini(
Alexey Bataev68adb7d2015-04-14 03:29:22 +000084// CHECK-NEXT: ret
85// CHECK: [[TERM_LPAD]]
86// CHECK: call void @__clang_call_terminate(i8*
87// CHECK-NEXT: unreachable
88
89#endif