1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s --check-prefixes=ALL,NORMAL
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
make_func()3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefixes=ALL,NORMAL
4 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
5 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-enable-irbuilder -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s --check-prefixes=ALL,IRBUILDER
6 // RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
7 // RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefixes=ALL,IRBUILDER
8 
9 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s
10 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
11 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
12 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
13 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
14 // expected-no-diagnostics
15 #ifndef HEADER
16 #define HEADER
17 
18 // ALL:       [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
19 // ALL:       [[UNNAMED_LOCK:@.+]] = common global [8 x i32] zeroinitializer
20 // ALL:       [[THE_NAME_LOCK:@.+]] = common global [8 x i32] zeroinitializer
21 // ALL:       [[THE_NAME_LOCK1:@.+]] = common global [8 x i32] zeroinitializer
22 
23 // ALL:       define {{.*}}void [[FOO:@.+]]()
24 
25 void foo() { extern void mayThrow(); mayThrow(); }
26 
27 // ALL-LABEL: @main
28 // TERM_DEBUG-LABEL: @main
29 int main() {
30   // ALL:       [[A_ADDR:%.+]] = alloca i8
31   char a;
32 
33 // ALL:       			[[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
34 // ALL:       			call {{.*}}void @__kmpc_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[UNNAMED_LOCK]])
35 // ALL-NEXT:  			store i8 2, i8* [[A_ADDR]]
36 // ALL-NEXT:  			call {{.*}}void @__kmpc_end_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[UNNAMED_LOCK]])
37 #pragma omp critical
38   a = 2;
39 // IRBUILDER:       [[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
40 // ALL:       			call {{.*}}void @__kmpc_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK]])
41 // IRBUILDER-NEXT:	call {{.*}}void [[FOO]]()
42 // NORMAL-NEXT:  		invoke {{.*}}void [[FOO]]()
43 // ALL:      				call {{.*}}void @__kmpc_end_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK]])
44 #pragma omp critical(the_name)
45   foo();
46 // IRBUILDER:   		[[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
47 // ALL: 	      		call {{.*}}void @__kmpc_critical_with_hint([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK1]], i{{64|32}} 23)
48 // IRBUILDER-NEXT:	call {{.*}}void [[FOO]]()
49 // NORMAL-NEXT:		  invoke {{.*}}void [[FOO]]()
50 // ALL:		       		call {{.*}}void @__kmpc_end_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK1]])
51 #pragma omp critical(the_name1) hint(23)
52   foo();
53   // IRBUILDER:   		[[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
54   // ALL:       call {{.*}}void @__kmpc_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK]])
55   // ALL:       br label
56   // ALL-NOT:   call {{.*}}void @__kmpc_end_critical(
57   // ALL:       br label
58   // ALL-NOT:   call {{.*}}void @__kmpc_end_critical(
59   // NORMAL:       br label
60   if (a)
61 #pragma omp critical(the_name)
62     while (1)
63       ;
64   // ALL:  call {{.*}}void [[FOO]]()
65   foo();
66   // ALL-NOT:   call void @__kmpc_critical
67   // ALL-NOT:   call void @__kmpc_end_critical
68   return a;
69 }
70 
71 // ALL-LABEL:        lambda_critical
72 // TERM_DEBUG-LABEL: lambda_critical
73 void lambda_critical(int a, int b) {
74   auto l = [=]() {
75 #pragma omp critical
76     {
77       // ALL: call void @__kmpc_critical(
78       int c = a + b;
79     }
80   };
81 
82   l();
83 
84   auto l1 = [=]() {
85 #pragma omp parallel
86 #pragma omp critical
87     {
88       // ALL: call void @__kmpc_critical(
89       int c = a + b;
90     }
91   };
92 
93   l1();
94 }
95 
96 struct S {
97   int a;
98 };
99 // ALL-LABEL: critical_ref
100 void critical_ref(S &s) {
101   // ALL: [[S_ADDR:%.+]] = alloca %struct.S*,
102   // ALL: [[S_REF:%.+]] = load %struct.S*, %struct.S** [[S_ADDR]],
103   // ALL: [[S_A_REF:%.+]] = getelementptr inbounds %struct.S, %struct.S* [[S_REF]], i32 0, i32 0
104   ++s.a;
105   // ALL: call void @__kmpc_critical(
106 #pragma omp critical
107   // ALL: [[S_REF:%.+]] = load %struct.S*, %struct.S** [[S_ADDR]],
108   // ALL: [[S_A_REF:%.+]] = getelementptr inbounds %struct.S, %struct.S* [[S_REF]], i32 0, i32 0
109   ++s.a;
110   // ALL: call void @__kmpc_end_critical(
111 }
112 
113 // ALL-LABEL:      parallel_critical
114 // TERM_DEBUG-LABEL: parallel_critical
115 void parallel_critical() {
116 #pragma omp parallel
117 #pragma omp critical
118   // TERM_DEBUG-NOT: __kmpc_global_thread_num
119   // TERM_DEBUG:     call void @__kmpc_critical({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]]
120   // TERM_DEBUG:     invoke void {{.*}}foo{{.*}}()
121   // TERM_DEBUG:     unwind label %[[TERM_LPAD:.+]],
122   // TERM_DEBUG-NOT: __kmpc_global_thread_num
123   // TERM_DEBUG:     call void @__kmpc_end_critical({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]]
124   // TERM_DEBUG:     [[TERM_LPAD]]
125   // TERM_DEBUG:     call void @__clang_call_terminate
126   // TERM_DEBUG:     unreachable
127   foo();
128 }
129 // TERM_DEBUG-DAG: [[DBG_LOC_START]] = !DILocation(line: [[@LINE-12]],
130 // TERM_DEBUG-DAG: [[DBG_LOC_END]] = !DILocation(line: [[@LINE-3]],
131 #endif
132