1 // 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
4 // expected-no-diagnostics
14 #pragma omp parallel sections
23 // 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 // CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* noalias [[GTID_PARAM_ADDR:%.+]], i32* noalias %{{.+}})
26 // CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
27 #pragma omp parallel sections
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]]
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]]
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:.+]]
56 // CHECK: [[SECTIONS_CASE0]]
57 // CHECK-NEXT: invoke void @{{.*}}foo{{.*}}()
58 // CHECK: br label %[[SECTIONS_EXIT]]
61 // CHECK: [[SECTIONS_CASE1]]
62 // CHECK-NEXT: invoke void @{{.*}}bar{{.*}}()
63 // CHECK: br label %[[SECTIONS_EXIT]]
65 // CHECK: [[SECTIONS_EXIT]]
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]]
73 // CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]])
78 // CHECK: call void {{.*}} @__kmpc_fork_call(
79 // CHECK-NOT: __kmpc_global_thread_num
80 // CHECK: call void @__kmpc_for_static_init_4(
81 // CHECK: invoke void @{{.*}}foo{{.*}}()
82 // CHECK-NEXT: unwind label %[[TERM_LPAD:.+]]
83 // CHECK: call void @__kmpc_for_static_fini(
85 // CHECK: [[TERM_LPAD]]
86 // CHECK: call void @__clang_call_terminate(i8*
87 // CHECK-NEXT: unreachable