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llvm-project/clang/test/OpenMP/nvptx_target_pure_deleted_c...

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[OPENMP]Do not emit special virtual function for NVPTX target. There are no special virtual function handlers (like __cxa_pure_virtual) defined for NVPTX target, so just emit such functions as null pointers to prevent issues with linking and unresolved references.
2020-01-15 05:42:23 +08:00
// Test target codegen - host bc file has to be created first.
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
[OPENMP]Do not emit RTTI descriptor for NVPTX devices. Need to disable emission of RTTI descriptors for NVPTX devices to be able to use dynamic classes without unresolved symbols at link stage.
2020-01-17 06:57:10 +08:00
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s
[OPENMP]Do not emit special virtual function for NVPTX target. There are no special virtual function handlers (like __cxa_pure_virtual) defined for NVPTX target, so just emit such functions as null pointers to prevent issues with linking and unresolved references.
2020-01-15 05:42:23 +08:00
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - -fno-rtti | FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp -fexceptions -fcxx-exceptions -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - -fno-rtti | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
[OPENMP]Do not emit RTTI descriptor for NVPTX devices. Need to disable emission of RTTI descriptors for NVPTX devices to be able to use dynamic classes without unresolved symbols at link stage.
2020-01-17 06:57:10 +08:00
// CHECK-NOT: class_type_info
[OPENMP]Do not emit special virtual function for NVPTX target. There are no special virtual function handlers (like __cxa_pure_virtual) defined for NVPTX target, so just emit such functions as null pointers to prevent issues with linking and unresolved references.
2020-01-15 05:42:23 +08:00
// CHECK-DAG: @_ZTV7Derived = linkonce_odr hidden unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%class.Derived*)* @_ZN7Derived3fooEv to i8*)] }
// CHECK-DAG: @_ZTV4Base = linkonce_odr hidden unnamed_addr constant { [3 x i8*] } zeroinitializer
[OPENMP]Do not emit RTTI descriptor for NVPTX devices. Need to disable emission of RTTI descriptors for NVPTX devices to be able to use dynamic classes without unresolved symbols at link stage.
2020-01-17 06:57:10 +08:00
// CHECK-NOT: class_type_info
[OPENMP]Do not emit special virtual function for NVPTX target. There are no special virtual function handlers (like __cxa_pure_virtual) defined for NVPTX target, so just emit such functions as null pointers to prevent issues with linking and unresolved references.
2020-01-15 05:42:23 +08:00
class Base {
public:
virtual void foo() = 0;
};
class Derived : public Base {
public:
void foo() override {}
void bar() = delete;
};
void target() {
#pragma omp target
{
Derived D;
D.foo();
}
}
#endif