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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
// RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - -target-cpu gfx906 | FileCheck %s
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
// RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - -target-cpu gfx906 \
// RUN: | FileCheck -check-prefix=NEG %s
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
// RUN: -std=c++11 -emit-llvm -o - -target-cpu gfx906 \
// RUN: | FileCheck -check-prefixes=NEG,NORDC %s
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -x hip %s \
// RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - \
// RUN: | FileCheck -check-prefix=HOST-NEG %s
#include "Inputs/cuda.h"
// CHECK-LABEL: @__clang_gpu_used_external = internal {{.*}}global
// CHECK-DAG: @_Z7kernel1v
// CHECK-DAG: @_Z7kernel4v
// CHECK-DAG: @var1
// CHECK-LABEL: @llvm.compiler.used = {{.*}} @__clang_gpu_used_external
// NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel2v
// NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel3v
// NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel5v
// NEG-NOT: @__clang_gpu_used_external = {{.*}} @var2
// NEG-NOT: @__clang_gpu_used_external = {{.*}} @var3
// NEG-NOT: @__clang_gpu_used_external = {{.*}} @ext_shvar
// NEG-NOT: @__clang_gpu_used_external = {{.*}} @shvar
// NORDC-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel1v
// NORDC-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel4v
// NORDC-NOT: @__clang_gpu_used_external = {{.*}} @var1
// HOST-NEG-NOT: call void @__hipRegisterVar({{.*}}, ptr @ext_shvar
// HOST-NEG-NOT: call void @__hipRegisterVar({{.*}}, ptr @shvar
__global__ void kernel1();
// kernel2 is not marked as used since it is a definition.
__global__ void kernel2() {}
// kernel3 is not marked as used since it is not called by host function.
__global__ void kernel3();
// kernel4 is marked as used even though it is not called.
__global__ void kernel4();
// kernel5 is not marked as used since it is called by host function
// with weak_odr linkage, which may be dropped by linker.
__global__ void kernel5();
extern __device__ int var1;
__device__ int var2;
extern __device__ int var3;
void use(int *p);
void test() {
kernel1<<<1, 1>>>();
void *p = (void*)kernel4;
use(&var1);
}
__global__ void test_lambda_using_extern_shared() {
extern __shared__ int ext_shvar[];
__shared__ int shvar[10];
auto lambda = [&]() {
ext_shvar[0] = 1;
shvar[0] = 2;
};
lambda();
}
template<class T>
void template_caller() {
kernel5<<<1, 1>>>();
var1 = 1;
}
template void template_caller<int>();
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