1 // RUN: %clang_cc1 %s -triple nvptx-unknown-unknown -fcuda-allow-host-calls-from-host-device -fcuda-is-device -Wno-cuda-compat -emit-llvm -o - | FileCheck %s
2 
3 #include "Inputs/cuda.h"
4 
5 extern "C"
host_function()6 void host_function() {}
7 
8 // CHECK-LABEL: define void @hd_function_a
9 extern "C"
hd_function_a()10 __host__ __device__ void hd_function_a() {
11   // CHECK: call void @host_function
12   host_function();
13 }
14 
15 // CHECK: declare void @host_function
16 
17 // CHECK-LABEL: define void @hd_function_b
18 extern "C"
hd_function_b(bool b)19 __host__ __device__ void hd_function_b(bool b) { if (b) host_function(); }
20 
21 // CHECK-LABEL: define void @device_function_b
22 extern "C"
device_function_b()23 __device__ void device_function_b() { hd_function_b(false); }
24 
25 // CHECK-LABEL: define void @global_function
26 extern "C"
global_function()27 __global__ void global_function() {
28   // CHECK: call void @device_function_b
29   device_function_b();
30 }
31 
32 // CHECK: !{{[0-9]+}} = !{void ()* @global_function, !"kernel", i32 1}
33