// 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 #ifndef HEADER #define HEADER // CHECK: [[IMPLICIT_BARRIER_SECTIONS_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 194, i32 0, i32 0, i8* // CHECK-LABEL: foo void foo() {}; // CHECK-LABEL: bar void bar() {}; template T tmain() { #pragma omp parallel #pragma omp sections { foo(); } return T(); } // CHECK-LABEL: @main int main() { float l = 0.0; // Used as a base point in checks. // CHECK: [[GTID:%.+]] = call{{.*}} i32 @__kmpc_global_thread_num({{.*}}) // CHECK: store float #pragma omp sections { // CHECK: store i32 0, i32* [[LB_PTR:%.+]], // CHECK: store i32 1, i32* [[UB_PTR:%.+]], // 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) // <> // 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]] // <> // CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]] // CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]] // CHECK: br label %[[INNER_FOR_COND:.+]] // CHECK: [[INNER_FOR_COND]] // <> // 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]] // <> - > // 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_SECTIONS_LOC]], #pragma omp sections nowait { foo(); #pragma omp section bar(); } // CHECK-NOT: __kmpc_cancel_barrier return tmain(); } // CHECK-LABEL: tmain // CHECK: call void {{.*}} @__kmpc_fork_call( // CHECK-NOT: __kmpc_global_thread_num // CHECK: call void @__kmpc_for_static_init_4( // CHECK: invoke void @{{.*}}foo{{.*}}() // CHECK-NEXT: unwind label %[[TERM_LPAD:.+]] // CHECK: call void @__kmpc_for_static_fini( // CHECK: call void @__kmpc_barrier(%{{.+}}* [[IMPLICIT_BARRIER_SECTIONS_LOC]], // CHECK: ret // CHECK: [[TERM_LPAD]] // CHECK: call void @__clang_call_terminate(i8* // CHECK-NEXT: unreachable #endif