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comparison clang/test/SemaTemplate/address_space-dependent.cpp @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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147:c2174574ed3a 150:1d019706d866
1 // RUN: %clang_cc1 -x c++ -std=c++14 -fsyntax-only -verify %s
2
3 template <int I, int J, int K>
4 void car() {
5 int __attribute__((address_space(I))) __attribute__((address_space(J))) * Y; // expected-error {{multiple address spaces specified for type}}
6 int *__attribute__((address_space(I))) __attribute__((address_space(J))) * Z; // expected-error {{multiple address spaces specified for type}}
7
8 __attribute__((address_space(I))) int local; // expected-error {{automatic variable qualified with an address space}}
9 __attribute__((address_space(J))) int array[5]; // expected-error {{automatic variable qualified with an address space}}
10 __attribute__((address_space(I))) int arrarr[5][5]; // expected-error {{automatic variable qualified with an address space}}
11
12 __attribute__((address_space(J))) * x; // expected-error {{C++ requires a type specifier for all declarations}}
13
14 __attribute__((address_space(I))) float *B;
15
16 typedef __attribute__((address_space(J))) int AS2Int;
17 struct HasASFields {
18 AS2Int typedef_as_field; // expected-error {{field may not be qualified with an address space}}
19 };
20
21 struct _st {
22 int x, y;
23 } s __attribute((address_space(I))) = {1, 1};
24 }
25
26 template <int I>
27 struct HasASTemplateFields {
28 __attribute__((address_space(I))) int as_field; // expected-error {{field may not be qualified with an address space}}
29 };
30
31 template <int I, int J>
32 void foo(__attribute__((address_space(I))) float *a, // expected-note {{candidate template ignored: substitution failure [with I = 1, J = 2]: parameter may not be qualified with an address space}}
33 __attribute__((address_space(J))) float b) {
34 *a = 5.0f + b;
35 }
36
37 template void foo<1, 2>(float *, float); // expected-error {{explicit instantiation of 'foo' does not refer to a function template, variable template, member function, member class, or static data member}}
38
39 template <int I>
40 void neg() {
41 __attribute__((address_space(I))) int *bounds; // expected-error {{address space is negative}}
42 }
43
44 template <long int I>
45 void tooBig() {
46 __attribute__((address_space(I))) int *bounds; // expected-error {{address space is larger than the maximum supported (8388595)}}
47 }
48
49 template <long int I>
50 void correct() {
51 __attribute__((address_space(I))) int *bounds;
52 }
53
54 template <int I, int J>
55 char *cmp(__attribute__((address_space(I))) char *x, __attribute__((address_space(J))) char *y) {
56 return x < y ? x : y; // expected-error {{comparison of distinct pointer types ('__attribute__((address_space(1))) char *' and '__attribute__((address_space(2))) char *')}}
57 }
58
59 typedef void ft(void);
60
61 template <int I>
62 struct fooFunction {
63 __attribute__((address_space(I))) void **const base = 0;
64
65 void *get_0(void) {
66 return base[0]; // expected-error {{cannot initialize return object of type 'void *' with an lvalue of type '__attribute__((address_space(1))) void *}}
67 }
68
69 __attribute__((address_space(I))) ft qf; // expected-error {{function type may not be qualified with an address space}}
70 __attribute__((address_space(I))) char *test3_val;
71
72 void test3(void) {
73 extern void test3_helper(char *p); // expected-note {{passing argument to parameter 'p' here}}
74 test3_helper(test3_val); // expected-error {{cannot initialize a parameter of type 'char *' with an lvalue of type '__attribute__((address_space(1))) char *'}}
75 }
76 };
77
78 template <typename T, int N>
79 int GetAddressSpaceValue(T __attribute__((address_space(N))) * p) {
80 return N;
81 }
82
83 template <unsigned A> int __attribute__((address_space(A))) *same_template();
84 template <unsigned B> int __attribute__((address_space(B))) *same_template();
85 void test_same_template() { (void) same_template<0>(); }
86
87 template <unsigned A> int __attribute__((address_space(A))) *different_template(); // expected-note {{candidate function [with A = 0]}}
88 template <unsigned B> int __attribute__((address_space(B+1))) *different_template(); // expected-note {{candidate function [with B = 0]}}
89 void test_different_template() { (void) different_template<0>(); } // expected-error {{call to 'different_template' is ambiguous}}
90
91 template <typename T> struct partial_spec_deduce_as;
92 template <typename T, unsigned AS>
93 struct partial_spec_deduce_as <__attribute__((address_space(AS))) T *> {
94 static const unsigned value = AS;
95 };
96
97 int main() {
98 int __attribute__((address_space(1))) * p1;
99 int p = GetAddressSpaceValue(p1);
100
101 car<1, 2, 3>(); // expected-note {{in instantiation of function template specialization 'car<1, 2, 3>' requested here}}
102 HasASTemplateFields<1> HASTF;
103 neg<-1>(); // expected-note {{in instantiation of function template specialization 'neg<-1>' requested here}}
104 correct<0x7FFFF3>();
105 tooBig<8388650>(); // expected-note {{in instantiation of function template specialization 'tooBig<8388650>' requested here}}
106
107 __attribute__((address_space(1))) char *x;
108 __attribute__((address_space(2))) char *y;
109 cmp<1, 2>(x, y); // expected-note {{in instantiation of function template specialization 'cmp<1, 2>' requested here}}
110
111 fooFunction<1> ff;
112 ff.get_0(); // expected-note {{in instantiation of member function 'fooFunction<1>::get_0' requested here}}
113 ff.qf();
114 ff.test3(); // expected-note {{in instantiation of member function 'fooFunction<1>::test3' requested here}}
115
116 static_assert(partial_spec_deduce_as<int __attribute__((address_space(3))) *>::value == 3, "address space value has been incorrectly deduced");
117
118 return 0;
119 }