derek.holloway
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73 lines
2.7 KiB
Plaintext
73 lines
2.7 KiB
Plaintext
// RUN: %clang_cc1 %s -triple x86_64-linux-unknown -fsyntax-only -o - -verify
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// RUN: %clang_cc1 %s -fcuda-is-device -triple nvptx -fsyntax-only -o - -verify
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#include "Inputs/cuda.h"
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// Check that we get an error if we try to call a __device__ function from a
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// module initializer.
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struct S {
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// expected-note@-1 {{candidate constructor (the implicit copy constructor) not viable: requires 1 argument, but 0 were provided}}
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// expected-note@-2 {{candidate constructor (the implicit move constructor) not viable: requires 1 argument, but 0 were provided}}
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__device__ S() {}
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// expected-note@-1 {{candidate constructor not viable: call to __device__ function from __host__ function}}
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};
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S s;
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// expected-error@-1 {{no matching constructor for initialization of 'S'}}
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struct T {
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__host__ __device__ T() {}
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};
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T t; // No error, this is OK.
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struct U {
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// expected-note@-1 {{candidate constructor (the implicit copy constructor) not viable: no known conversion from 'int' to 'const U' for 1st argument}}
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// expected-note@-2 {{candidate constructor (the implicit move constructor) not viable: no known conversion from 'int' to 'U' for 1st argument}}
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__host__ U() {}
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// expected-note@-1 {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
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__device__ U(int) {}
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// expected-note@-1 {{candidate constructor not viable: call to __device__ function from __host__ function}}
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};
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U u(42);
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// expected-error@-1 {{no matching constructor for initialization of 'U'}}
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__device__ int device_fn() { return 42; }
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// expected-note@-1 {{candidate function not viable: call to __device__ function from __host__ function}}
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int n = device_fn();
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// expected-error@-1 {{no matching function for call to 'device_fn'}}
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// Check host/device-based overloding resolution in global variable initializer.
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double pow(double, double);
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__device__ double pow(double, int);
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double X = pow(1.0, 1);
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__device__ double Y = pow(2.0, 2); // expected-error{{dynamic initialization is not supported for __device__, __constant__, __shared__, and __managed__ variables}}
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constexpr double cpow(double, double) { return 1.0; }
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constexpr __device__ double cpow(double, int) { return 2.0; }
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const double CX = cpow(1.0, 1);
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const __device__ double CY = cpow(2.0, 2);
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struct A {
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double pow(double, double);
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__device__ double pow(double, int);
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constexpr double cpow(double, double) const { return 1.0; }
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constexpr __device__ double cpow(double, int) const { return 1.0; }
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};
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A a;
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double AX = a.pow(1.0, 1);
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__device__ double AY = a.pow(2.0, 2); // expected-error{{dynamic initialization is not supported for __device__, __constant__, __shared__, and __managed__ variables}}
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const A ca;
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const double CAX = ca.cpow(1.0, 1);
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const __device__ double CAY = ca.cpow(2.0, 2);
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