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62 lines
2.6 KiB
62 lines
2.6 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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__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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