diff options
Diffstat (limited to 'test/OpenMP/parallel_num_threads_codegen.cpp')
| -rw-r--r-- | test/OpenMP/parallel_num_threads_codegen.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/test/OpenMP/parallel_num_threads_codegen.cpp b/test/OpenMP/parallel_num_threads_codegen.cpp new file mode 100644 index 000000000000..c095e430b60b --- /dev/null +++ b/test/OpenMP/parallel_num_threads_codegen.cpp @@ -0,0 +1,84 @@ +// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple %itanium_abi_triple -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s +// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t %s +// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s +// expected-no-diagnostics +#ifndef HEADER +#define HEADER + +typedef __INTPTR_TYPE__ intptr_t; + +// CHECK-DAG: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* } +// CHECK-DAG: [[S_TY:%.+]] = type { [[INTPTR_T_TY:i[0-9]+]], [[INTPTR_T_TY]], [[INTPTR_T_TY]] } +// CHECK-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00" +// CHECK-DAG: [[DEF_LOC_2:@.+]] = private unnamed_addr constant [[IDENT_T_TY]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8]* [[STR]], i32 0, i32 0) } + +void foo(); + +struct S { + intptr_t a, b, c; + S(intptr_t a) : a(a) {} + operator char() { return a; } + ~S() {} +}; + +template <typename T, int C> +int tmain() { +#pragma omp parallel num_threads(C) + foo(); +#pragma omp parallel num_threads(T(23)) + foo(); + return 0; +} + +int main() { + S s(0); + char a = s; +#pragma omp parallel num_threads(2) + foo(); +#pragma omp parallel num_threads(a) + foo(); + return a + tmain<char, 5>() + tmain<S, 1>(); +} + +// CHECK-LABEL: define {{.*}}i{{[0-9]+}} @main() +// CHECK-DAG: [[S_ADDR:%.+]] = alloca [[S_TY]] +// CHECK-DAG: [[A_ADDR:%.+]] = alloca i8 +// CHECK-DAG: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]]) +// CHECK-DAG: call {{.*}} [[S_TY_CONSTR:@.+]]([[S_TY]]* [[S_ADDR]], [[INTPTR_T_TY]] [[INTPTR_T_TY_ATTR:(signext )?]]0) +// CHECK: [[S_CHAR_OP:%.+]] = invoke{{.*}} i8 [[S_TY_CHAR_OP:@.+]]([[S_TY]]* [[S_ADDR]]) +// CHECK: store i8 [[S_CHAR_OP]], i8* [[A_ADDR]] +// CHECK: call void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 2) +// CHECK: call void {{.*}}* @__kmpc_fork_call( +// CHECK: [[A_VAL:%.+]] = load i8* [[A_ADDR]] +// CHECK: [[RES:%.+]] = sext i8 [[A_VAL]] to i32 +// CHECK: call void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 [[RES]]) +// CHECK: call void {{.*}}* @__kmpc_fork_call( +// CHECK: invoke{{.*}} [[INT_TY:i[0-9]+]] [[TMAIN_CHAR_5:@.+]]() +// CHECK: invoke{{.*}} [[INT_TY]] [[TMAIN_S_1:@.+]]() +// CHECK: call {{.*}} [[S_TY_DESTR:@.+]]([[S_TY]]* [[S_ADDR]]) +// CHECK: ret [[INT_TY]] +// CHECK: } + +// CHECK: define{{.*}} [[INT_TY]] [[TMAIN_CHAR_5]]() +// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]]) +// CHECK: call void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 5) +// CHECK: call void {{.*}}* @__kmpc_fork_call( +// CHECK: call void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 23) +// CHECK: call void {{.*}}* @__kmpc_fork_call( +// CHECK: ret [[INT_TY]] 0 +// CHECK-NEXT: } + +// CHECK: define{{.*}} [[INT_TY]] [[TMAIN_S_1]]() +// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]]) +// CHECK: call void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 1) +// CHECK: call void {{.*}}* @__kmpc_fork_call( +// CHECK: call {{.*}} [[S_TY_CONSTR]]([[S_TY]]* [[S_TEMP:%.+]], [[INTPTR_T_TY]] [[INTPTR_T_TY_ATTR]]23) +// CHECK: [[S_CHAR_OP:%.+]] = invoke{{.*}} i8 [[S_TY_CHAR_OP]]([[S_TY]]* [[S_TEMP]]) +// CHECK: [[RES:%.+]] = sext {{.*}}i8 [[S_CHAR_OP]] to i32 +// CHECK: call void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 [[RES]]) +// CHECK: call {{.*}} [[S_TY_DESTR]]([[S_TY]]* [[S_TEMP]]) +// CHECK: call void {{.*}}* @__kmpc_fork_call( +// CHECK: ret [[INT_TY]] 0 +// CHECK: } + +#endif |