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109 lines
2.4 KiB
109 lines
2.4 KiB
// RUN: %clang_cc1 -std=c++11 -fcuda-is-device -verify=dev,expected -fsyntax-only \
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// RUN: -verify-ignore-unexpected=warning -verify-ignore-unexpected=note %s
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// RUN: %clang_cc1 -std=c++11 -verify -fsyntax-only \
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// RUN: -verify-ignore-unexpected=warning -verify-ignore-unexpected=note %s
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#include "Inputs/cuda.h"
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__device__ void device_fn() {
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auto f1 = [&] {};
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f1(); // implicitly __device__
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auto f2 = [&] __device__ {};
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f2();
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auto f3 = [&] __host__ {};
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f3(); // expected-error {{no matching function}}
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auto f4 = [&] __host__ __device__ {};
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f4();
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// Now do it all again with '()'s in the lambda declarations: This is a
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// different parse path.
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auto g1 = [&]() {};
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g1(); // implicitly __device__
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auto g2 = [&]() __device__ {};
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g2();
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auto g3 = [&]() __host__ {};
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g3(); // expected-error {{no matching function}}
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auto g4 = [&]() __host__ __device__ {};
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g4();
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// Once more, with the '()'s in a different place.
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auto h1 = [&]() {};
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h1(); // implicitly __device__
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auto h2 = [&] __device__ () {};
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h2();
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auto h3 = [&] __host__ () {};
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h3(); // expected-error {{no matching function}}
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auto h4 = [&] __host__ __device__ () {};
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h4();
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}
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// Behaves identically to device_fn.
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__global__ void kernel_fn() {
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auto f1 = [&] {};
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f1(); // implicitly __device__
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auto f2 = [&] __device__ {};
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f2();
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auto f3 = [&] __host__ {};
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f3(); // expected-error {{no matching function}}
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auto f4 = [&] __host__ __device__ {};
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f4();
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// No need to re-test all the parser contortions we test in the device
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// function.
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}
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__host__ void host_fn() {
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auto f1 = [&] {};
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f1(); // implicitly __host__ (i.e., no magic)
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auto f2 = [&] __device__ {};
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f2(); // expected-error {{no matching function}}
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auto f3 = [&] __host__ {};
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f3();
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auto f4 = [&] __host__ __device__ {};
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f4();
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}
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__host__ __device__ void hd_fn() {
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auto f1 = [&] {};
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f1(); // implicitly __host__ __device__
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auto f2 = [&] __device__ {};
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f2();
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#ifndef __CUDA_ARCH__
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// expected-error@-2 {{reference to __device__ function}}
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#endif
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auto f3 = [&] __host__ {};
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f3();
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#ifdef __CUDA_ARCH__
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// expected-error@-2 {{reference to __host__ function}}
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#endif
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auto f4 = [&] __host__ __device__ {};
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f4();
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}
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// The special treatment above only applies to lambdas.
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__device__ void foo() {
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struct X {
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void foo() {}
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};
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X x;
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x.foo(); // dev-error {{reference to __host__ function 'foo' in __device__ function}}
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}
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