1 // Make sure that __global__ functions are emitted along with correct
2 // annotations and are added to @llvm.used to prevent their elimination.
3 // REQUIRES: nvptx-registered-target
5 // RUN: %clang_cc1 %s -triple nvptx-unknown-unknown -fcuda-is-device -emit-llvm -o - | FileCheck %s
7 #include "Inputs/cuda.h"
9 // CHECK-LABEL: define{{.*}} void @device_function
11 __device__ void device_function() {}
13 // CHECK-LABEL: define{{.*}} void @global_function
15 __global__ void global_function() {
16 // CHECK: call void @device_function
20 // Make sure host-instantiated kernels are preserved on device side.
21 template <typename T> __global__ void templated_kernel(T param) {}
22 // CHECK-DAG: define{{.*}} void @_Z16templated_kernelIiEvT_(
25 __global__ void anonymous_ns_kernel() {}
26 // CHECK-DAG: define{{.*}} void @_ZN12_GLOBAL__N_119anonymous_ns_kernelEv(
29 void host_function() {
30 templated_kernel<<<0, 0>>>(0);
31 anonymous_ns_kernel<<<0,0>>>();
34 // CHECK: !{{[0-9]+}} = !{void ()* @global_function, !"kernel", i32 1}
35 // CHECK: !{{[0-9]+}} = !{void (i32)* @_Z16templated_kernelIiEvT_, !"kernel", i32 1}