1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s 2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s 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 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 // expected-no-diagnostics 6 // REQUIRES: x86-registered-target 7 #ifndef HEADER 8 #define HEADER 9 10 // CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* } 11 // CHECK: [[UNNAMED_LOCK:@.+]] = common global [8 x i32] zeroinitializer 12 // CHECK: [[THE_NAME_LOCK:@.+]] = common global [8 x i32] zeroinitializer 13 // CHECK: [[THE_NAME_LOCK1:@.+]] = common global [8 x i32] zeroinitializer 14 15 // CHECK: define {{.*}}void [[FOO:@.+]]() 16 17 void foo() {} 18 19 // CHECK-LABEL: @main 20 // TERM_DEBUG-LABEL: @main 21 int main() { 22 // CHECK: [[A_ADDR:%.+]] = alloca i8 23 char a; 24 25 // CHECK: [[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]]) 26 // CHECK: call {{.*}}void @__kmpc_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[UNNAMED_LOCK]]) 27 // CHECK-NEXT: store i8 2, i8* [[A_ADDR]] 28 // CHECK-NEXT: call {{.*}}void @__kmpc_end_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[UNNAMED_LOCK]]) 29 #pragma omp critical 30 a = 2; 31 // CHECK: call {{.*}}void @__kmpc_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK]]) 32 // CHECK-NEXT: invoke {{.*}}void [[FOO]]() 33 // CHECK: call {{.*}}void @__kmpc_end_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK]]) 34 #pragma omp critical(the_name) 35 foo(); 36 // CHECK: call {{.*}}void @__kmpc_critical_with_hint([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK1]], i{{64|32}} 23) 37 // CHECK-NEXT: invoke {{.*}}void [[FOO]]() 38 // CHECK: call {{.*}}void @__kmpc_end_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK1]]) 39 #pragma omp critical(the_name1) hint(23) 40 foo(); 41 // CHECK: call {{.*}}void @__kmpc_critical([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], [8 x i32]* [[THE_NAME_LOCK]]) 42 // CHECK-NOT: call {{.*}}void @__kmpc_end_critical( 43 if (a) 44 #pragma omp critical(the_name) 45 while (1) 46 ; 47 // CHECK: call {{.*}}void [[FOO]]() 48 foo(); 49 // CHECK-NOT: call void @__kmpc_critical 50 // CHECK-NOT: call void @__kmpc_end_critical 51 return a; 52 } 53 54 struct S { 55 int a; 56 }; 57 // CHECK-LABEL: critical_ref 58 void critical_ref(S &s) { 59 // CHECK: [[S_ADDR:%.+]] = alloca %struct.S*, 60 // CHECK: [[S_REF:%.+]] = load %struct.S*, %struct.S** [[S_ADDR]], 61 // CHECK: [[S_A_REF:%.+]] = getelementptr inbounds %struct.S, %struct.S* [[S_REF]], i32 0, i32 0 62 ++s.a; 63 // CHECK: call void @__kmpc_critical( 64 #pragma omp critical 65 // CHECK: [[S_REF:%.+]] = load %struct.S*, %struct.S** [[S_ADDR]], 66 // CHECK: [[S_A_REF:%.+]] = getelementptr inbounds %struct.S, %struct.S* [[S_REF]], i32 0, i32 0 67 ++s.a; 68 // CHECK: call void @__kmpc_end_critical( 69 } 70 71 // CHECK-LABEL: parallel_critical 72 // TERM_DEBUG-LABEL: parallel_critical 73 void parallel_critical() { 74 #pragma omp parallel 75 #pragma omp critical 76 // TERM_DEBUG-NOT: __kmpc_global_thread_num 77 // TERM_DEBUG: call void @__kmpc_critical({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]] 78 // TERM_DEBUG: invoke void {{.*}}foo{{.*}}() 79 // TERM_DEBUG: unwind label %[[TERM_LPAD:.+]], 80 // TERM_DEBUG-NOT: __kmpc_global_thread_num 81 // TERM_DEBUG: call void @__kmpc_end_critical({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]] 82 // TERM_DEBUG: [[TERM_LPAD]] 83 // TERM_DEBUG: call void @__clang_call_terminate 84 // TERM_DEBUG: unreachable 85 foo(); 86 } 87 // TERM_DEBUG-DAG: [[DBG_LOC_START]] = !DILocation(line: [[@LINE-12]], 88 // TERM_DEBUG-DAG: [[DBG_LOC_END]] = !DILocation(line: [[@LINE-3]], 89 #endif 90