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97 lines
5.4 KiB
97 lines
5.4 KiB
// Tests handling of CUDA attributes that are bad either because they're
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// applied to the wrong sort of thing, or because they're given in illegal
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// combinations.
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//
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// You should be able to run this file through nvcc for compatibility testing.
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//
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// RUN: %clang_cc1 -fsyntax-only -Wcuda-compat -verify -DEXPECT_INLINE_WARNING %s
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// RUN: %clang_cc1 -fcuda-is-device -fsyntax-only -Wcuda-compat -verify %s
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#include "Inputs/cuda.h"
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// Try applying attributes to functions and variables. Some should generate
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// warnings; others not.
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__device__ int a1;
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__device__ void a2();
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__host__ int b1; // expected-warning {{attribute only applies to functions}}
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__host__ void b2();
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__constant__ int c1;
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__constant__ void c2(); // expected-warning {{attribute only applies to variables}}
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__shared__ int d1;
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__shared__ void d2(); // expected-warning {{attribute only applies to variables}}
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__global__ int e1; // expected-warning {{attribute only applies to functions}}
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__global__ void e2();
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// Try all pairs of attributes which can be present on a function or a
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// variable. Check both orderings of the attributes, as that can matter in
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// clang.
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__device__ __host__ void z1();
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__device__ __constant__ int z2;
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__device__ __shared__ int z3;
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__device__ __global__ void z4(); // expected-error {{attributes are not compatible}}
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// expected-note@-1 {{conflicting attribute is here}}
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__host__ __device__ void z5();
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__host__ __global__ void z6(); // expected-error {{attributes are not compatible}}
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// expected-note@-1 {{conflicting attribute is here}}
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__constant__ __device__ int z7;
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__constant__ __shared__ int z8; // expected-error {{attributes are not compatible}}
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// expected-note@-1 {{conflicting attribute is here}}
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__shared__ __device__ int z9;
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__shared__ __constant__ int z10; // expected-error {{attributes are not compatible}}
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// expected-note@-1 {{conflicting attribute is here}}
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__constant__ __shared__ int z10a; // expected-error {{attributes are not compatible}}
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// expected-note@-1 {{conflicting attribute is here}}
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__global__ __device__ void z11(); // expected-error {{attributes are not compatible}}
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// expected-note@-1 {{conflicting attribute is here}}
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__global__ __host__ void z12(); // expected-error {{attributes are not compatible}}
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// expected-note@-1 {{conflicting attribute is here}}
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struct S {
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__global__ void foo() {}; // expected-error {{must be a free function or static member function}}
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__global__ static void bar(); // expected-warning {{kernel function 'bar' is a member function}}
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// Although this is implicitly inline, we shouldn't warn.
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__global__ static void baz() {}; // expected-warning {{kernel function 'baz' is a member function}}
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};
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__global__ static inline void foobar() {};
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#ifdef EXPECT_INLINE_WARNING
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// expected-warning@-2 {{ignored 'inline' attribute on kernel function 'foobar'}}
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#endif
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__constant__ int global_constant;
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void host_fn() {
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__constant__ int c; // expected-error {{__constant__ and __device__ are not allowed on non-static local variables}}
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__shared__ int s; // expected-error {{__shared__ local variables not allowed in __host__ functions}}
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}
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__device__ void device_fn() {
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__constant__ int c; // expected-error {{__constant__ and __device__ are not allowed on non-static local variables}}
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}
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typedef __attribute__((device_builtin_surface_type)) unsigned long long s0_ty; // expected-warning {{'device_builtin_surface_type' attribute only applies to classes}}
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typedef __attribute__((device_builtin_texture_type)) unsigned long long t0_ty; // expected-warning {{'device_builtin_texture_type' attribute only applies to classes}}
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struct __attribute__((device_builtin_surface_type)) s1_ref {}; // expected-error {{illegal device builtin surface reference type 's1_ref' declared here}}
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// expected-note@-1 {{'s1_ref' needs to be instantiated from a class template with proper template arguments}}
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struct __attribute__((device_builtin_texture_type)) t1_ref {}; // expected-error {{illegal device builtin texture reference type 't1_ref' declared here}}
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// expected-note@-1 {{'t1_ref' needs to be instantiated from a class template with proper template arguments}}
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template <typename T>
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struct __attribute__((device_builtin_surface_type)) s2_cls_template {}; // expected-error {{illegal device builtin surface reference class template 's2_cls_template' declared here}}
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// expected-note@-1 {{'s2_cls_template' needs to have exactly 2 template parameters}}
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template <typename T>
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struct __attribute__((device_builtin_texture_type)) t2_cls_template {}; // expected-error {{illegal device builtin texture reference class template 't2_cls_template' declared here}}
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// expected-note@-1 {{'t2_cls_template' needs to have exactly 3 template parameters}}
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template <int val, void *ptr>
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struct __attribute__((device_builtin_surface_type)) s3_cls_template {}; // expected-error {{illegal device builtin surface reference class template 's3_cls_template' declared here}}
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// expected-note@-1 {{the 1st template parameter of 's3_cls_template' needs to be a type}}
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// expected-note@-2 {{the 2nd template parameter of 's3_cls_template' needs to be an integer or enum value}}
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template <int val, int type, typename T>
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struct __attribute__((device_builtin_texture_type)) t3_cls_template {}; // expected-error {{illegal device builtin texture reference class template 't3_cls_template' declared here}}
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// expected-note@-1 {{the 1st template parameter of 't3_cls_template' needs to be a type}}
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// expected-note@-2 {{the 3rd template parameter of 't3_cls_template' needs to be an integer or enum value}}
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