forked from OSchip/llvm-project
104 lines
4.4 KiB
C++
104 lines
4.4 KiB
C++
// 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]+}}, i8*
|
|
// CHECK-DAG: [[SECTIONS_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 1026, i32 0, i32 {{[0-9]+}}, i8*
|
|
// 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, i32* [[LB_PTR:%.+]],
|
|
// CHECK: store i32 1, i32* [[UB_PTR:%.+]],
|
|
// CHECK: call void @__kmpc_for_static_init_4(%{{.+}}* [[SECTIONS_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST_PTR:%.+]], i32* [[LB_PTR]], i32* [[UB_PTR]], i32* [[STRIDE_PTR:%.+]], i32 1, i32 1)
|
|
// <<UB = min(UB, GlobalUB);>>
|
|
// CHECK: [[UB:%.+]] = load i32, i32* [[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]], i32* [[UB_PTR]]
|
|
// <<IV = LB;>>
|
|
// CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]]
|
|
// CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]]
|
|
// CHECK: br label %[[INNER_FOR_COND:.+]]
|
|
// CHECK: [[INNER_FOR_COND]]
|
|
// <<IV <= UB?>>
|
|
// CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
|
|
// CHECK: [[UB:%.+]] = load i32, i32* [[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, i32* [[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, i32* [[IV_PTR]]
|
|
// CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1
|
|
// CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]]
|
|
// CHECK-NEXT: br label %[[INNER_FOR_COND]]
|
|
// CHECK: [[INNER_LOOP_END]]
|
|
}
|
|
// CHECK: call void @__kmpc_for_static_fini(%{{.+}}* [[SECTIONS_LOC]], i32 [[GTID]])
|
|
// CHECK: call void @__kmpc_barrier(%{{.+}}* [[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(%{{.+}}* [[IMPLICIT_BARRIER_SECTIONS_LOC]],
|
|
// CHECK: ret
|
|
// CHECK: [[TERM_LPAD]]
|
|
// CHECK: call void @__clang_call_terminate(i8*
|
|
// CHECK-NEXT: unreachable
|
|
|
|
#endif
|