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: br label 43 // CHECK-NOT: call {{.*}}void @__kmpc_end_critical( 44 // CHECK: br label 45 // CHECK-NOT: call {{.*}}void @__kmpc_end_critical( 46 // CHECK: br label 47 if (a) 48 #pragma omp critical(the_name) 49 while (1) 50 ; 51 // CHECK: call {{.*}}void [[FOO]]() 52 foo(); 53 // CHECK-NOT: call void @__kmpc_critical 54 // CHECK-NOT: call void @__kmpc_end_critical 55 return a; 56 } 57 58 struct S { 59 int a; 60 }; 61 // CHECK-LABEL: critical_ref 62 void critical_ref(S &s) { 63 // CHECK: [[S_ADDR:%.+]] = alloca %struct.S*, 64 // CHECK: [[S_REF:%.+]] = load %struct.S*, %struct.S** [[S_ADDR]], 65 // CHECK: [[S_A_REF:%.+]] = getelementptr inbounds %struct.S, %struct.S* [[S_REF]], i32 0, i32 0 66 ++s.a; 67 // CHECK: [[S_REF:%.+]] = load %struct.S*, %struct.S** [[S_ADDR]], 68 // CHECK: store %struct.S* [[S_REF]], %struct.S** [[S_ADDR:%.+]], 69 // CHECK: call void @__kmpc_critical( 70 #pragma omp critical 71 // CHECK: [[S_REF:%.+]] = load %struct.S*, %struct.S** [[S_ADDR]], 72 // CHECK: [[S_A_REF:%.+]] = getelementptr inbounds %struct.S, %struct.S* [[S_REF]], i32 0, i32 0 73 ++s.a; 74 // CHECK: call void @__kmpc_end_critical( 75 } 76 77 // CHECK-LABEL: parallel_critical 78 // TERM_DEBUG-LABEL: parallel_critical 79 void parallel_critical() { 80 #pragma omp parallel 81 #pragma omp critical 82 // TERM_DEBUG-NOT: __kmpc_global_thread_num 83 // TERM_DEBUG: call void @__kmpc_critical({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]] 84 // TERM_DEBUG: invoke void {{.*}}foo{{.*}}() 85 // TERM_DEBUG: unwind label %[[TERM_LPAD:.+]], 86 // TERM_DEBUG-NOT: __kmpc_global_thread_num 87 // TERM_DEBUG: call void @__kmpc_end_critical({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]] 88 // TERM_DEBUG: [[TERM_LPAD]] 89 // TERM_DEBUG: call void @__clang_call_terminate 90 // TERM_DEBUG: unreachable 91 foo(); 92 } 93 // TERM_DEBUG-DAG: [[DBG_LOC_START]] = !DILocation(line: [[@LINE-12]], 94 // TERM_DEBUG-DAG: [[DBG_LOC_END]] = !DILocation(line: [[@LINE-3]], 95 #endif 96