1// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
2// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
3// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp=libiomp5 -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
5// expected-no-diagnostics
6
7#ifndef HEADER
8#define HEADER
9
10// CHECK:       [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
11
12// CHECK:       define void [[FOO:@.+]]()
13
14void foo() {}
15
16// CHECK-LABEL: @main
17// TERM_DEBUG-LABEL: @main
18int main() {
19  // CHECK:       [[A_ADDR:%.+]] = alloca i8
20  char a;
21
22// CHECK:       [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
23// CHECK:       [[RES:%.+]] = call i32 @__kmpc_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
24// CHECK-NEXT:  [[IS_MASTER:%.+]] = icmp ne i32 [[RES]], 0
25// CHECK-NEXT:  br i1 [[IS_MASTER]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
26// CHECK:       [[THEN]]
27// CHECK-NEXT:  store i8 2, i8* [[A_ADDR]]
28// CHECK-NEXT:  call void @__kmpc_end_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
29// CHECK-NEXT:  br label {{%?}}[[EXIT]]
30// CHECK:       [[EXIT]]
31#pragma omp master
32  a = 2;
33// CHECK:       [[RES:%.+]] = call i32 @__kmpc_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
34// CHECK-NEXT:  [[IS_MASTER:%.+]] = icmp ne i32 [[RES]], 0
35// CHECK-NEXT:  br i1 [[IS_MASTER]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
36// CHECK:       [[THEN]]
37// CHECK-NEXT:  invoke void [[FOO]]()
38// CHECK:       call void @__kmpc_end_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
39// CHECK-NEXT:  br label {{%?}}[[EXIT]]
40// CHECK:       [[EXIT]]
41#pragma omp master
42  foo();
43// CHECK-NOT:   call i32 @__kmpc_master
44// CHECK-NOT:   call void @__kmpc_end_master
45  return a;
46}
47
48// CHECK-LABEL:      parallel_master
49// TERM_DEBUG-LABEL: parallel_master
50void parallel_master() {
51#pragma omp parallel
52#pragma omp master
53  // TERM_DEBUG-NOT: __kmpc_global_thread_num
54  // TERM_DEBUG:     call i32 @__kmpc_master({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]]
55  // TERM_DEBUG:     invoke void {{.*}}foo{{.*}}()
56  // TERM_DEBUG:     unwind label %[[TERM_LPAD:.+]],
57  // TERM_DEBUG-NOT: __kmpc_global_thread_num
58  // TERM_DEBUG:     call void @__kmpc_end_master({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]]
59  // TERM_DEBUG:     [[TERM_LPAD]]
60  // TERM_DEBUG:     call void @__clang_call_terminate
61  // TERM_DEBUG:     unreachable
62  foo();
63}
64// TERM_DEBUG-DAG: [[DBG_LOC_START]] = !MDLocation(line: [[@LINE-12]],
65// TERM_DEBUG-DAG: [[DBG_LOC_END]] = !MDLocation(line: [[@LINE-3]],
66
67#endif
68