| Alexey Bataev | 6956e2e | 2015-02-05 06:35:41 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s |
| 2 | // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s |
| 3 | // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s |
| 4 | // expected-no-diagnostics |
| Adrian Prantl | cbc368c | 2015-02-25 02:44:04 +0000 | [diff] [blame] | 5 | |
| Alexey Bataev | 6956e2e | 2015-02-05 06:35:41 +0000 | [diff] [blame] | 6 | #ifndef HEADER |
| 7 | #define HEADER |
| 8 | |
| 9 | // CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* } |
| 10 | |
| 11 | // CHECK: define void [[FOO:@.+]]() |
| 12 | |
| 13 | void foo() {} |
| 14 | |
| 15 | // CHECK-LABEL: @main |
| 16 | int main() { |
| 17 | // CHECK: [[A_ADDR:%.+]] = alloca i8 |
| 18 | char a; |
| 19 | |
| 20 | // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]]) |
| 21 | // CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]]) |
| 22 | // CHECK-NEXT: [[IS_SINGLE:%.+]] = icmp ne i32 [[RES]], 0 |
| 23 | // CHECK-NEXT: br i1 [[IS_SINGLE]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]] |
| 24 | // CHECK: [[THEN]] |
| 25 | // CHECK-NEXT: store i8 2, i8* [[A_ADDR]] |
| 26 | // CHECK-NEXT: call void @__kmpc_end_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]]) |
| 27 | // CHECK-NEXT: br label {{%?}}[[EXIT]] |
| 28 | // CHECK: [[EXIT]] |
| 29 | #pragma omp single |
| 30 | a = 2; |
| 31 | // CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]]) |
| 32 | // CHECK-NEXT: [[IS_SINGLE:%.+]] = icmp ne i32 [[RES]], 0 |
| 33 | // CHECK-NEXT: br i1 [[IS_SINGLE]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]] |
| 34 | // CHECK: [[THEN]] |
| 35 | // CHECK-NEXT: call void [[FOO]]() |
| 36 | // CHECK-NEXT: call void @__kmpc_end_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]]) |
| 37 | // CHECK-NEXT: br label {{%?}}[[EXIT]] |
| 38 | // CHECK: [[EXIT]] |
| 39 | #pragma omp single |
| 40 | foo(); |
| 41 | // CHECK-NOT: call i32 @__kmpc_single |
| 42 | // CHECK-NOT: call void @__kmpc_end_single |
| 43 | return a; |
| 44 | } |
| 45 | |
| Alexey Bataev | 8cbe0a6 | 2015-02-26 10:27:34 +0000 | [diff] [blame^] | 46 | // CHECK-LABEL: parallel_single |
| 47 | void parallel_single(float *a) { |
| 48 | #pragma omp parallel |
| 49 | #pragma omp single |
| 50 | // CHECK-NOT: __kmpc_global_thread_num |
| 51 | for (unsigned i = 131071; i <= 2147483647; i += 127) |
| 52 | a[i] += i; |
| 53 | } |
| 54 | |
| Alexey Bataev | 6956e2e | 2015-02-05 06:35:41 +0000 | [diff] [blame] | 55 | #endif |