| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1 | // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s |
| 2 | // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s |
| 3 | // RUN: %clang_cc1 -fopenmp=libiomp5 -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 | // expected-no-diagnostics |
| 5 | |
| 6 | #ifndef HEADER |
| 7 | #define HEADER |
| 8 | |
| 9 | // CHECK-LABEL: foo |
| 10 | void foo() {}; |
| 11 | // CHECK-LABEL: bar |
| 12 | void bar() {}; |
| 13 | |
| 14 | template <class T> |
| 15 | T tmain() { |
| 16 | #pragma omp parallel |
| 17 | #pragma omp sections |
| 18 | { |
| 19 | foo(); |
| 20 | } |
| 21 | return T(); |
| 22 | } |
| 23 | |
| 24 | // CHECK-LABEL: @main |
| 25 | int main() { |
| 26 | float l = 0.0; // Used as a base point in checks. |
| 27 | // CHECK: [[GTID:%.+]] = call{{.*}} i32 @__kmpc_global_thread_num({{.*}}) |
| 28 | // CHECK: store float |
| 29 | #pragma omp sections nowait |
| 30 | { |
| 31 | // CHECK: store i32 0, i32* [[LB_PTR:%.+]], |
| 32 | // CHECK: store i32 1, i32* [[UB_PTR:%.+]], |
| 33 | // 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) |
| 34 | // <<UB = min(UB, GlobalUB);>> |
| 35 | // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]] |
| 36 | // CHECK: [[CMP:%.+]] = icmp slt i32 [[UB]], 1 |
| 37 | // CHECK: [[MIN_UB_GLOBALUB:%.+]] = select i1 [[CMP]], i32 [[UB]], i32 1 |
| 38 | // CHECK: store i32 [[MIN_UB_GLOBALUB]], i32* [[UB_PTR]] |
| 39 | // <<IV = LB;>> |
| 40 | // CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]] |
| 41 | // CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]] |
| 42 | // CHECK: br label %[[INNER_FOR_COND:.+]] |
| 43 | // CHECK: [[INNER_FOR_COND]] |
| 44 | // <<IV <= UB?>> |
| 45 | // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] |
| 46 | // CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]] |
| 47 | // CHECK: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] |
| 48 | // CHECK: br i1 [[CMP]], label %[[INNER_LOOP_BODY:.+]], label %[[INNER_LOOP_END:.+]] |
| 49 | // CHECK: [[INNER_LOOP_BODY]] |
| 50 | // <<TRUE>> - > <BODY> |
| 51 | // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] |
| 52 | // CHECK: switch i32 [[IV]], label %[[SECTIONS_EXIT:.+]] [ |
| 53 | // CHECK-NEXT: i32 0, label %[[SECTIONS_CASE0:.+]] |
| 54 | // CHECK-NEXT: i32 1, label %[[SECTIONS_CASE1:.+]] |
| 55 | #pragma omp section |
| 56 | // CHECK: [[SECTIONS_CASE0]] |
| 57 | // CHECK-NEXT: invoke void @{{.*}}foo{{.*}}() |
| 58 | // CHECK: br label %[[SECTIONS_EXIT]] |
| 59 | foo(); |
| 60 | #pragma omp section |
| 61 | // CHECK: [[SECTIONS_CASE1]] |
| 62 | // CHECK-NEXT: invoke void @{{.*}}bar{{.*}}() |
| 63 | // CHECK: br label %[[SECTIONS_EXIT]] |
| 64 | bar(); |
| 65 | // CHECK: [[SECTIONS_EXIT]] |
| 66 | // <<++IV;>> |
| 67 | // CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]] |
| 68 | // CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1 |
| 69 | // CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]] |
| 70 | // CHECK-NEXT: br label %[[INNER_FOR_COND]] |
| 71 | // CHECK: [[INNER_LOOP_END]] |
| 72 | } |
| 73 | // CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]]) |
| 74 | // CHECK-NOT: __kmpc_cancel_barrier |
| 75 | return tmain<int>(); |
| 76 | } |
| 77 | |
| 78 | // CHECK-LABEL: tmain |
| 79 | // CHECK: call void {{.*}} @__kmpc_fork_call( |
| 80 | // CHECK-NOT: __kmpc_global_thread_num |
| 81 | // CHECK: [[RES:%.+]] = call i32 @__kmpc_single( |
| 82 | // CHECK-NEXT: [[BOOLRES:%.+]] = icmp ne i32 [[RES]], 0 |
| 83 | // CHECK-NEXT: br i1 [[BOOLRES]], label %[[THEN:.+]], label %[[END:.+]] |
| 84 | // CHECK: [[THEN]] |
| 85 | // CHECK-NEXT: invoke void @{{.*}}foo{{.*}}() |
| 86 | // CHECK-NEXT: unwind label %[[TERM_LPAD:.+]] |
| 87 | // CHECK: call void @__kmpc_end_single( |
| 88 | // CHECK-NEXT: br label %[[END]] |
| 89 | // CHECK: [[END]] |
| 90 | // CHECK-NEXT: call i32 @__kmpc_cancel_barrier( |
| 91 | // CHECK-NEXT: ret |
| 92 | // CHECK: [[TERM_LPAD]] |
| 93 | // CHECK: call void @__clang_call_terminate(i8* |
| 94 | // CHECK-NEXT: unreachable |
| 95 | |
| 96 | #endif |