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| // REQUIRES: x86-registered-target
// REQUIRES: nvptx-registered-target
// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -fsyntax-only \
// RUN: -verify -DEXPECT_VA_ARG_ERR -DEXPECT_VARARG_ERR %s
// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -fsyntax-only \
// RUN: -fcuda-allow-variadic-functions -verify -DEXPECT_VA_ARG_ERR %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify \
// RUN: -DEXPECT_VARARG_ERR %s
#include <stdarg.h>
#include "Inputs/cuda.h"
__device__ void foo() {
va_list list;
va_arg(list, int);
#ifdef EXPECT_VA_ARG_ERR
// expected-error@-2 {{CUDA device code does not support va_arg}}
#endif
}
void bar() {
va_list list;
va_arg(list, int); // OK: host-only
}
__device__ void baz() {
#if !defined(__CUDA_ARCH__)
va_list list;
va_arg(list, int); // OK: only seen when compiling for host
#endif
}
__device__ void vararg(const char* x, ...) {}
#ifdef EXPECT_VARARG_ERR
// expected-error@-2 {{CUDA device code does not support variadic functions}}
#endif
template <typename T>
__device__ void vararg(T t, ...) {}
#ifdef EXPECT_VARARG_ERR
// expected-error@-2 {{CUDA device code does not support variadic functions}}
#endif
extern "C" __device__ int printf(const char* fmt, ...); // OK, special case.
// Definition of printf not allowed.
extern "C" __device__ int printf(const char* fmt, ...) { return 0; }
#ifdef EXPECT_VARARG_ERR
// expected-error@-2 {{CUDA device code does not support variadic functions}}
#endif
namespace ns {
__device__ int printf(const char* fmt, ...);
#ifdef EXPECT_VARARG_ERR
// expected-error@-2 {{CUDA device code does not support variadic functions}}
#endif
}
|