| // 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 |
| |
