blob: 97c5111cebdc6658f872bfc3a18f50b864f856fe [file] [log] [blame]
// RUN: %clang_cc1 "-triple" "nvptx-nvidia-cuda" -fcuda-is-device -fsyntax-only -verify %s
#include "cuda_builtin_vars.h"
__attribute__((global))
void kernel(int *out) {
int i = 0;
out[i++] = threadIdx.x;
threadIdx.x = 0; // expected-error {{no setter defined for property 'x'}}
out[i++] = threadIdx.y;
threadIdx.y = 0; // expected-error {{no setter defined for property 'y'}}
out[i++] = threadIdx.z;
threadIdx.z = 0; // expected-error {{no setter defined for property 'z'}}
out[i++] = blockIdx.x;
blockIdx.x = 0; // expected-error {{no setter defined for property 'x'}}
out[i++] = blockIdx.y;
blockIdx.y = 0; // expected-error {{no setter defined for property 'y'}}
out[i++] = blockIdx.z;
blockIdx.z = 0; // expected-error {{no setter defined for property 'z'}}
out[i++] = blockDim.x;
blockDim.x = 0; // expected-error {{no setter defined for property 'x'}}
out[i++] = blockDim.y;
blockDim.y = 0; // expected-error {{no setter defined for property 'y'}}
out[i++] = blockDim.z;
blockDim.z = 0; // expected-error {{no setter defined for property 'z'}}
out[i++] = gridDim.x;
gridDim.x = 0; // expected-error {{no setter defined for property 'x'}}
out[i++] = gridDim.y;
gridDim.y = 0; // expected-error {{no setter defined for property 'y'}}
out[i++] = gridDim.z;
gridDim.z = 0; // expected-error {{no setter defined for property 'z'}}
out[i++] = warpSize;
warpSize = 0; // expected-error {{cannot assign to variable 'warpSize' with const-qualified type 'const int'}}
// expected-note@cuda_builtin_vars.h:104 {{variable 'warpSize' declared const here}}
// Make sure we can't construct or assign to the special variables.
__cuda_builtin_threadIdx_t x; // expected-error {{calling a private constructor of class '__cuda_builtin_threadIdx_t'}}
// expected-note@cuda_builtin_vars.h:67 {{declared private here}}
__cuda_builtin_threadIdx_t y = threadIdx; // expected-error {{calling a private constructor of class '__cuda_builtin_threadIdx_t'}}
// expected-note@cuda_builtin_vars.h:67 {{declared private here}}
threadIdx = threadIdx; // expected-error {{'operator=' is a private member of '__cuda_builtin_threadIdx_t'}}
// expected-note@cuda_builtin_vars.h:67 {{declared private here}}
void *ptr = &threadIdx; // expected-error {{'operator&' is a private member of '__cuda_builtin_threadIdx_t'}}
// expected-note@cuda_builtin_vars.h:67 {{declared private here}}
// Following line should've caused an error as one is not allowed to
// take address of a built-in variable in CUDA. Alas there's no way
// to prevent getting address of a 'const int', so the line
// currently compiles without errors or warnings.
const void *wsptr = &warpSize;
}