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 5 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck --check-prefix SIMD-ONLY0 %s 6 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s 7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s 8 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}} 9 // expected-no-diagnostics 10 #ifndef HEADER 11 #define HEADER 12 // CHECK-LABEL: foo 13 void foo() { extern void mayThrow(); mayThrow(); }; 14 // CHECK-LABEL: bar 15 void bar() { extern void mayThrow(); mayThrow(); }; 16 17 template <class T> 18 T tmain() { 19 #pragma omp parallel sections 20 { 21 foo(); 22 } 23 return T(); 24 } 25 26 // CHECK-LABEL: @main 27 int main() { 28 // 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*, ...)*)) 29 // CHECK-LABEL: } 30 // CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* noalias [[GTID_PARAM_ADDR:%.+]], i32* noalias %{{.+}}) 31 // CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]], 32 #pragma omp parallel sections 33 { 34 // CHECK: store i32 0, i32* [[LB_PTR:%.+]], 35 // CHECK: store i32 1, i32* [[UB_PTR:%.+]], 36 // 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) 37 // <<UB = min(UB, GlobalUB);>> 38 // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]] 39 // CHECK: [[CMP:%.+]] = icmp slt i32 [[UB]], 1 40 // CHECK: [[MIN_UB_GLOBALUB:%.+]] = select i1 [[CMP]], i32 [[UB]], i32 1 41 // CHECK: store i32 [[MIN_UB_GLOBALUB]], i32* [[UB_PTR]] 42 // <<IV = LB;>> 43 // CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]] 44 // CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]] 45 // CHECK: br label %[[INNER_FOR_COND:.+]] 46 // CHECK: [[INNER_FOR_COND]] 47 // <<IV <= UB?>> 48 // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] 49 // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]] 50 // CHECK: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] 51 // CHECK: br i1 [[CMP]], label %[[INNER_LOOP_BODY:.+]], label %[[INNER_LOOP_END:.+]] 52 // CHECK: [[INNER_LOOP_BODY]] 53 // <<TRUE>> - > <BODY> 54 // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] 55 // CHECK: switch i32 [[IV]], label %[[SECTIONS_EXIT:.+]] [ 56 // CHECK-NEXT: i32 0, label %[[SECTIONS_CASE0:.+]] 57 // CHECK-NEXT: i32 1, label %[[SECTIONS_CASE1:.+]] 58 #pragma omp section 59 // CHECK: [[SECTIONS_CASE0]] 60 // CHECK-NEXT: invoke void @{{.*}}foo{{.*}}() 61 // CHECK: br label %[[SECTIONS_EXIT]] 62 foo(); 63 #pragma omp section 64 // CHECK: [[SECTIONS_CASE1]] 65 // CHECK-NEXT: invoke void @{{.*}}bar{{.*}}() 66 // CHECK: br label %[[SECTIONS_EXIT]] 67 bar(); 68 // CHECK: [[SECTIONS_EXIT]] 69 // <<++IV;>> 70 // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] 71 // CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1 72 // CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]] 73 // CHECK-NEXT: br label %[[INNER_FOR_COND]] 74 // CHECK: [[INNER_LOOP_END]] 75 } 76 // CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]]) 77 return tmain<int>(); 78 } 79 80 // CHECK-LABEL: tmain 81 // CHECK: call void {{.*}} @__kmpc_fork_call( 82 // CHECK-NOT: __kmpc_global_thread_num 83 // CHECK: call void @__kmpc_for_static_init_4( 84 // CHECK: invoke void @{{.*}}foo{{.*}}() 85 // CHECK-NEXT: unwind label %[[TERM_LPAD:.+]] 86 // CHECK: call void @__kmpc_for_static_fini( 87 // CHECK-NEXT: ret 88 // CHECK: [[TERM_LPAD]] 89 // CHECK: call void @__clang_call_terminate(i8* 90 // CHECK-NEXT: unreachable 91 92 #endif 93