104 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s2// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s3// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -include-pch %t -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck %s4 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 %s6// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s7// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -include-pch %t -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s8// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}9// expected-no-diagnostics10#ifndef HEADER11#define HEADER12// CHECK-DAG: [[IMPLICIT_BARRIER_SECTIONS_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 194, i32 0, i32 {{[0-9]+}}, ptr13// CHECK-DAG: [[SECTIONS_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 1026, i32 0, i32 {{[0-9]+}}, ptr14// CHECK-LABEL: foo15void foo() { extern void mayThrow(); mayThrow(); };16// CHECK-LABEL: bar17void bar() { extern void mayThrow(); mayThrow(); };18 19template <class T>20T tmain() {21#pragma omp parallel22#pragma omp sections23 {24 foo();25 }26 return T();27}28 29// CHECK-LABEL: @main30int main() {31 float l = 0.0; // Used as a base point in checks.32// CHECK: [[GTID:%.+]] = call{{.*}} i32 @__kmpc_global_thread_num({{.*}})33// CHECK: store float34#pragma omp sections35 {36// CHECK: store i32 0, ptr [[LB_PTR:%.+]],37// CHECK: store i32 1, ptr [[UB_PTR:%.+]],38// CHECK: call void @__kmpc_for_static_init_4(ptr [[SECTIONS_LOC]], i32 [[GTID]], i32 34, ptr [[IS_LAST_PTR:%.+]], ptr [[LB_PTR]], ptr [[UB_PTR]], ptr [[STRIDE_PTR:%.+]], i32 1, i32 1)39// <<UB = min(UB, GlobalUB);>>40// CHECK: [[UB:%.+]] = load i32, ptr [[UB_PTR]]41// CHECK: [[CMP:%.+]] = icmp slt i32 [[UB]], 142// CHECK: [[MIN_UB_GLOBALUB:%.+]] = select i1 [[CMP]], i32 [[UB]], i32 143// CHECK: store i32 [[MIN_UB_GLOBALUB]], ptr [[UB_PTR]]44// <<IV = LB;>>45// CHECK: [[LB:%.+]] = load i32, ptr [[LB_PTR]]46// CHECK: store i32 [[LB]], ptr [[IV_PTR:%.+]]47// CHECK: br label %[[INNER_FOR_COND:.+]]48// CHECK: [[INNER_FOR_COND]]49// <<IV <= UB?>>50// CHECK: [[IV:%.+]] = load i32, ptr [[IV_PTR]]51// CHECK: [[UB:%.+]] = load i32, ptr [[UB_PTR]]52// CHECK: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]53// CHECK: br i1 [[CMP]], label %[[INNER_LOOP_BODY:.+]], label %[[INNER_LOOP_END:.+]]54// CHECK: [[INNER_LOOP_BODY]]55// <<TRUE>> - > <BODY>56// CHECK: [[IV:%.+]] = load i32, ptr [[IV_PTR]]57// CHECK: switch i32 [[IV]], label %[[SECTIONS_EXIT:.+]] [58// CHECK-NEXT: i32 0, label %[[SECTIONS_CASE0:.+]]59// CHECK-NEXT: i32 1, label %[[SECTIONS_CASE1:.+]]60#pragma omp section61// CHECK: [[SECTIONS_CASE0]]62// CHECK-NEXT: invoke void @{{.*}}foo{{.*}}()63// CHECK: br label %[[SECTIONS_EXIT]]64 foo();65#pragma omp section66// CHECK: [[SECTIONS_CASE1]]67// CHECK-NEXT: invoke void @{{.*}}bar{{.*}}()68// CHECK: br label %[[SECTIONS_EXIT]]69 bar();70// CHECK: [[SECTIONS_EXIT]]71// <<++IV;>>72// CHECK: [[IV:%.+]] = load i32, ptr [[IV_PTR]]73// CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 174// CHECK-NEXT: store i32 [[INC]], ptr [[IV_PTR]]75// CHECK-NEXT: br label %[[INNER_FOR_COND]]76// CHECK: [[INNER_LOOP_END]]77 }78// CHECK: call void @__kmpc_for_static_fini(ptr [[SECTIONS_LOC]], i32 [[GTID]])79// CHECK: call void @__kmpc_barrier(ptr [[IMPLICIT_BARRIER_SECTIONS_LOC]],80#pragma omp sections nowait81 {82 foo();83#pragma omp section84 bar();85 }86// CHECK-NOT: __kmpc_cancel_barrier87 return tmain<int>();88}89 90// CHECK-LABEL: tmain91// CHECK: call void {{.*}} @__kmpc_fork_call(92// CHECK-NOT: __kmpc_global_thread_num93// CHECK: call void @__kmpc_for_static_init_4(94// CHECK: invoke void @{{.*}}foo{{.*}}()95// CHECK-NEXT: unwind label %[[TERM_LPAD:.+]]96// CHECK: call void @__kmpc_for_static_fini(97// CHECK: call void @__kmpc_barrier(ptr [[IMPLICIT_BARRIER_SECTIONS_LOC]],98// CHECK: ret99// CHECK: [[TERM_LPAD]]100// CHECK: call void @__clang_call_terminate(ptr101// CHECK-NEXT: unreachable102 103#endif104