llvm-capstone/clang/test/SemaCUDA/qualifiers.cu
Artem Belevich a0473a5479 [cuda] Preserve TLS storage class of host variable even if it's a
device-side compilation.

llvm-svn: 236029
2015-04-28 20:31:49 +00:00

39 lines
1.6 KiB
Plaintext

// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s
// RUN: %clang_cc1 -triple nvptx-unknown-cuda -fsyntax-only -verify -fcuda-is-device %s
//
// We run clang_cc1 with 'not' because source file contains
// intentional errors. CC1 failure is expected and must be ignored
// here. We're interested in what ends up in AST and that's what
// FileCheck verifies.
// RUN: not %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -ast-dump %s \
// RUN: | FileCheck %s --check-prefix=CHECK-ALL --check-prefix=CHECK-HOST
// RUN: not %clang_cc1 -triple nvptx-unknown-cuda -fsyntax-only -ast-dump -fcuda-is-device %s \
// RUN: | FileCheck %s --check-prefix=CHECK-ALL --check-prefix=CHECK-DEVICE
#include "Inputs/cuda.h"
// Host (x86) supports TLS and device-side compilation should ignore
// host variables. No errors in either case.
int __thread host_tls_var;
// CHECK-ALL: host_tls_var 'int' tls
#if defined(__CUDA_ARCH__)
// NVPTX does not support TLS
__device__ int __thread device_tls_var; // expected-error {{thread-local storage is not supported for the current target}}
// CHECK-DEVICE: device_tls_var 'int' tls
__shared__ int __thread shared_tls_var; // expected-error {{thread-local storage is not supported for the current target}}
// CHECK-DEVICE: shared_tls_var 'int' tls
#else
// Device-side vars should not produce any errors during host-side
// compilation.
__device__ int __thread device_tls_var;
// CHECK-HOST: device_tls_var 'int' tls
__shared__ int __thread shared_tls_var;
// CHECK-HOST: shared_tls_var 'int' tls
#endif
__global__ void g1(int x) {}
__global__ int g2(int x) { // expected-error {{must have void return type}}
return 1;
}