1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s
2 // RUN: %clang_cc1 -triple nvptx-unknown-cuda -fsyntax-only -verify -fcuda-is-device %s
3 //
4 // We run clang_cc1 with 'not' because source file contains
5 // intentional errors. CC1 failure is expected and must be ignored
6 // here. We're interested in what ends up in AST and that's what
7 // FileCheck verifies.
8 // RUN: not %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -ast-dump %s \
9 // RUN: | FileCheck %s --check-prefix=CHECK-ALL --check-prefix=CHECK-HOST
10 // RUN: not %clang_cc1 -triple nvptx-unknown-cuda -fsyntax-only -ast-dump -fcuda-is-device %s \
11 // RUN: | FileCheck %s --check-prefix=CHECK-ALL --check-prefix=CHECK-DEVICE
12
13 #include "Inputs/cuda.h"
14
15 // Host (x86) supports TLS and device-side compilation should ignore
16 // host variables. No errors in either case.
17 int __thread host_tls_var;
18 // CHECK-ALL: host_tls_var 'int' tls
19
20 #if defined(__CUDA_ARCH__)
21 // NVPTX does not support TLS
22 __device__ int __thread device_tls_var; // expected-error {{thread-local storage is not supported for the current target}}
23 // CHECK-DEVICE: device_tls_var 'int' tls
24 __shared__ int __thread shared_tls_var; // expected-error {{thread-local storage is not supported for the current target}}
25 // CHECK-DEVICE: shared_tls_var 'int' tls
26 #else
27 // Device-side vars should not produce any errors during host-side
28 // compilation.
29 __device__ int __thread device_tls_var;
30 // CHECK-HOST: device_tls_var 'int' tls
31 __shared__ int __thread shared_tls_var;
32 // CHECK-HOST: shared_tls_var 'int' tls
33 #endif
34
g1(int x)35 __global__ void g1(int x) {}
g2(int x)36 __global__ int g2(int x) { // expected-error {{must have void return type}}
37 return 1;
38 }
39