forked from OSchip/llvm-project
62 lines
1.9 KiB
Plaintext
62 lines
1.9 KiB
Plaintext
|
// REQUIRES: x86-registered-target
|
||
|
|
// REQUIRES: nvptx-registered-target
|
||
|
|
|
||
|
|
// Make sure we don't emit vtables for classes with methods that have
|
||
|
|
// inappropriate target attributes. Currently it's mostly needed in
|
||
|
|
// order to avoid emitting vtables for host-only classes on device
|
||
|
|
// side where we can't codegen them.
|
||
|
|
|
||
|
|
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s \
|
||
|
|
// RUN: | FileCheck %s -check-prefix=CHECK-HOST -check-prefix=CHECK-BOTH
|
||
|
|
// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -emit-llvm -o - %s \
|
||
|
|
// RUN: | FileCheck %s -check-prefix=CHECK-DEVICE -check-prefix=CHECK-BOTH
|
||
|
|
|
||
|
|
#include "Inputs/cuda.h"
|
||
|
|
|
||
|
|
struct H {
|
||
|
|
virtual void method();
|
||
|
|
};
|
||
|
|
//CHECK-HOST: @_ZTV1H =
|
||
|
|
//CHECK-HOST-SAME: @_ZN1H6methodEv
|
||
|
|
//CHECK-DEVICE-NOT: @_ZTV1H =
|
||
|
|
|
||
|
|
struct D {
|
||
|
|
__device__ virtual void method();
|
||
|
|
};
|
||
|
|
|
||
|
|
//CHECK-DEVICE: @_ZTV1D
|
||
|
|
//CHECK-DEVICE-SAME: @_ZN1D6methodEv
|
||
|
|
//CHECK-HOST-NOT: @_ZTV1D
|
||
|
|
|
||
|
|
// This is the case with mixed host and device virtual methods. It's
|
||
|
|
// impossible to emit a valid vtable in that case because only host or
|
||
|
|
// only device methods would be available during host or device
|
||
|
|
// compilation. At the moment Clang (and NVCC) emit NULL pointers for
|
||
|
|
// unavailable methods,
|
||
|
|
struct HD {
|
||
|
|
virtual void h_method();
|
||
|
|
__device__ virtual void d_method();
|
||
|
|
};
|
||
|
|
// CHECK-BOTH: @_ZTV2HD
|
||
|
|
// CHECK-DEVICE-NOT: @_ZN2HD8h_methodEv
|
||
|
|
// CHECK-DEVICE-SAME: null
|
||
|
|
// CHECK-DEVICE-SAME: @_ZN2HD8d_methodEv
|
||
|
|
// CHECK-HOST-SAME: @_ZN2HD8h_methodEv
|
||
|
|
// CHECK-HOST-NOT: @_ZN2HD8d_methodEv
|
||
|
|
// CHECK-HOST-SAME: null
|
||
|
|
// CHECK-BOTH-SAME: ]
|
||
|
|
|
||
|
|
void H::method() {}
|
||
|
|
//CHECK-HOST: define void @_ZN1H6methodEv
|
||
|
|
|
||
|
|
void __device__ D::method() {}
|
||
|
|
//CHECK-DEVICE: define void @_ZN1D6methodEv
|
||
|
|
|
||
|
|
void __device__ HD::d_method() {}
|
||
|
|
// CHECK-DEVICE: define void @_ZN2HD8d_methodEv
|
||
|
|
// CHECK-HOST-NOT: define void @_ZN2HD8d_methodEv
|
||
|
|
void HD::h_method() {}
|
||
|
|
// CHECK-HOST: define void @_ZN2HD8h_methodEv
|
||
|
|
// CHECK-DEVICE-NOT: define void @_ZN2HD8h_methodEv
|
||
|
|
|