| // RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s |
| // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s |
| // 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 |
| // expected-no-diagnostics |
| // REQUIRES: x86-registered-target |
| #ifndef HEADER |
| #define HEADER |
| // CHECK: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8* |
| // CHECK-LABEL: foo |
| void foo() {}; |
| // CHECK-LABEL: bar |
| void bar() {}; |
| |
| template <class T> |
| T tmain() { |
| #pragma omp parallel sections |
| { |
| foo(); |
| } |
| return T(); |
| } |
| |
| // CHECK-LABEL: @main |
| int main() { |
| // 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*, ...)*)) |
| // CHECK-LABEL: } |
| // CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* noalias [[GTID_PARAM_ADDR:%.+]], i32* noalias %{{.+}}) |
| // CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]], |
| #pragma omp parallel sections |
| { |
| // CHECK: store i32 0, i32* [[LB_PTR:%.+]], |
| // CHECK: store i32 1, i32* [[UB_PTR:%.+]], |
| // CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]], |
| // CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]], |
| // 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) |
| // <<UB = min(UB, GlobalUB);>> |
| // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]] |
| // CHECK: [[CMP:%.+]] = icmp slt i32 [[UB]], 1 |
| // CHECK: [[MIN_UB_GLOBALUB:%.+]] = select i1 [[CMP]], i32 [[UB]], i32 1 |
| // CHECK: store i32 [[MIN_UB_GLOBALUB]], i32* [[UB_PTR]] |
| // <<IV = LB;>> |
| // CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]] |
| // CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]] |
| // CHECK: br label %[[INNER_FOR_COND:.+]] |
| // CHECK: [[INNER_FOR_COND]] |
| // <<IV <= UB?>> |
| // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] |
| // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]] |
| // CHECK: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] |
| // CHECK: br i1 [[CMP]], label %[[INNER_LOOP_BODY:.+]], label %[[INNER_LOOP_END:.+]] |
| // CHECK: [[INNER_LOOP_BODY]] |
| // <<TRUE>> - > <BODY> |
| // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] |
| // CHECK: switch i32 [[IV]], label %[[SECTIONS_EXIT:.+]] [ |
| // CHECK-NEXT: i32 0, label %[[SECTIONS_CASE0:.+]] |
| // CHECK-NEXT: i32 1, label %[[SECTIONS_CASE1:.+]] |
| #pragma omp section |
| // CHECK: [[SECTIONS_CASE0]] |
| // CHECK-NEXT: invoke void @{{.*}}foo{{.*}}() |
| // CHECK: br label %[[SECTIONS_EXIT]] |
| foo(); |
| #pragma omp section |
| // CHECK: [[SECTIONS_CASE1]] |
| // CHECK-NEXT: invoke void @{{.*}}bar{{.*}}() |
| // CHECK: br label %[[SECTIONS_EXIT]] |
| bar(); |
| // CHECK: [[SECTIONS_EXIT]] |
| // <<++IV;>> |
| // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] |
| // CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1 |
| // CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]] |
| // CHECK-NEXT: br label %[[INNER_FOR_COND]] |
| // CHECK: [[INNER_LOOP_END]] |
| } |
| // CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]]) |
| // CHECK: call void @__kmpc_barrier(%{{.+}}* [[IMPLICIT_BARRIER_LOC]], |
| return tmain<int>(); |
| } |
| |
| // CHECK-LABEL: tmain |
| // CHECK: call void {{.*}} @__kmpc_fork_call( |
| // CHECK-NOT: __kmpc_global_thread_num |
| // CHECK: [[RES:%.+]] = call i32 @__kmpc_single( |
| // CHECK-NEXT: [[BOOLRES:%.+]] = icmp ne i32 [[RES]], 0 |
| // CHECK-NEXT: br i1 [[BOOLRES]], label %[[THEN:.+]], label %[[END:.+]] |
| // CHECK: [[THEN]] |
| // CHECK-NEXT: invoke void @{{.*}}foo{{.*}}() |
| // CHECK-NEXT: unwind label %[[TERM_LPAD:.+]] |
| // CHECK: call void @__kmpc_end_single( |
| // CHECK-NEXT: br label %[[END]] |
| // CHECK: [[END]] |
| // CHECK-NEXT: call void @__kmpc_barrier(%{{.+}}* [[IMPLICIT_BARRIER_LOC]], |
| // CHECK-NEXT: ret |
| // CHECK: [[TERM_LPAD]] |
| // CHECK: call void @__clang_call_terminate(i8* |
| // CHECK-NEXT: unreachable |
| |
| #endif |
