| // 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 |
| |
| // 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 |
| // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s |
| // 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 |
| // SIMD-ONLY0-NOT: {{__kmpc|__tgt}} |
| // expected-no-diagnostics |
| #ifndef HEADER |
| #define HEADER |
| // CHECK-DAG: [[IMPLICIT_BARRIER_SECTIONS_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 194, i32 0, i32 {{[0-9]+}}, ptr |
| // CHECK-DAG: [[SECTIONS_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 1026, i32 0, i32 {{[0-9]+}}, ptr |
| // CHECK-LABEL: foo |
| void foo() { extern void mayThrow(); mayThrow(); }; |
| // CHECK-LABEL: bar |
| void bar() { extern void mayThrow(); mayThrow(); }; |
| |
| template <class T> |
| 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, ptr [[LB_PTR:%.+]], |
| // CHECK: store i32 1, ptr [[UB_PTR:%.+]], |
| // 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) |
| // <<UB = min(UB, GlobalUB);>> |
| // CHECK: [[UB:%.+]] = load i32, ptr [[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]], ptr [[UB_PTR]] |
| // <<IV = LB;>> |
| // CHECK: [[LB:%.+]] = load i32, ptr [[LB_PTR]] |
| // CHECK: store i32 [[LB]], ptr [[IV_PTR:%.+]] |
| // CHECK: br label %[[INNER_FOR_COND:.+]] |
| // CHECK: [[INNER_FOR_COND]] |
| // <<IV <= UB?>> |
| // CHECK: [[IV:%.+]] = load i32, ptr [[IV_PTR]] |
| // CHECK: [[UB:%.+]] = load i32, ptr [[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, ptr [[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, ptr [[IV_PTR]] |
| // CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1 |
| // CHECK-NEXT: store i32 [[INC]], ptr [[IV_PTR]] |
| // CHECK-NEXT: br label %[[INNER_FOR_COND]] |
| // CHECK: [[INNER_LOOP_END]] |
| } |
| // CHECK: call void @__kmpc_for_static_fini(ptr [[SECTIONS_LOC]], i32 [[GTID]]) |
| // CHECK: call void @__kmpc_barrier(ptr [[IMPLICIT_BARRIER_SECTIONS_LOC]], |
| #pragma omp sections nowait |
| { |
| foo(); |
| #pragma omp section |
| bar(); |
| } |
| // CHECK-NOT: __kmpc_cancel_barrier |
| return tmain<int>(); |
| } |
| |
| // 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(ptr [[IMPLICIT_BARRIER_SECTIONS_LOC]], |
| // CHECK: ret |
| // CHECK: [[TERM_LPAD]] |
| // CHECK: call void @__clang_call_terminate(ptr |
| // CHECK-NEXT: unreachable |
| |
| #endif |
