| 1 | // REQUIRES: x86-registered-target |
| 2 | // REQUIRES: nvptx-registered-target |
| 3 | // RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -fsyntax-only \ |
| 4 | // RUN: -verify -DEXPECT_VA_ARG_ERR -DEXPECT_VARARG_ERR %s |
| 5 | // RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -fsyntax-only \ |
| 6 | // RUN: -fcuda-allow-variadic-functions -verify -DEXPECT_VA_ARG_ERR %s |
| 7 | // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify \ |
| 8 | // RUN: -DEXPECT_VARARG_ERR %s |
| 9 | |
| 10 | #include <stdarg.h> |
| 11 | #include "Inputs/cuda.h" |
| 12 | |
| 13 | __device__ void foo() { |
| 14 | va_list list; |
| 15 | va_arg(list, int); |
| 16 | #ifdef EXPECT_VA_ARG_ERR |
| 17 | // expected-error@-2 {{CUDA device code does not support va_arg}} |
| 18 | #endif |
| 19 | } |
| 20 | |
| 21 | void bar() { |
| 22 | va_list list; |
| 23 | va_arg(list, int); // OK: host-only |
| 24 | } |
| 25 | |
| 26 | __device__ void baz() { |
| 27 | #if !defined(__CUDA_ARCH__) |
| 28 | va_list list; |
| 29 | va_arg(list, int); // OK: only seen when compiling for host |
| 30 | #endif |
| 31 | } |
| 32 | |
| 33 | __device__ void vararg(const char* x, ...) {} |
| 34 | #ifdef EXPECT_VARARG_ERR |
| 35 | // expected-error@-2 {{CUDA device code does not support variadic functions}} |
| 36 | #endif |
| 37 | |
| 38 | template <typename T> |
| 39 | __device__ void vararg(T t, ...) {} |
| 40 | #ifdef EXPECT_VARARG_ERR |
| 41 | // expected-error@-2 {{CUDA device code does not support variadic functions}} |
| 42 | #endif |
| 43 | |
| 44 | extern "C" __device__ int printf(const char* fmt, ...); // OK, special case. |
| 45 | |
| 46 | // Definition of printf not allowed. |
| 47 | extern "C" __device__ int printf(const char* fmt, ...) { return 0; } |
| 48 | #ifdef EXPECT_VARARG_ERR |
| 49 | // expected-error@-2 {{CUDA device code does not support variadic functions}} |
| 50 | #endif |
| 51 | |
| 52 | namespace ns { |
| 53 | __device__ int printf(const char* fmt, ...); |
| 54 | #ifdef EXPECT_VARARG_ERR |
| 55 | // expected-error@-2 {{CUDA device code does not support variadic functions}} |
| 56 | #endif |
| 57 | } |
| 58 | |