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