xref: /llvm-project/clang/test/SemaOpenCL/atomic-ops.cl (revision 00448a548c4efc4bdcfd6be5f161eacc69b30021)
1// RUN: %clang_cc1 %s -cl-std=CL2.0 -verify=expected,spir \
2// RUN:   -fsyntax-only -triple=spir64 -fdeclare-opencl-builtins -finclude-default-header
3// RUN: %clang_cc1 %s -cl-std=CL2.0 -verify -fsyntax-only \
4// RUN:   -triple=amdgcn-amd-amdhsa -fdeclare-opencl-builtins -finclude-default-header
5// TODO: add -cl-std=CL3.0 line when generic and psv are supported.
6
7// Basic parsing/Sema tests for __opencl_atomic_*
8
9#pragma OPENCL EXTENSION cl_khr_int64_base_atomics : enable
10#pragma OPENCL EXTENSION cl_khr_int64_extended_atomics : enable
11#pragma OPENCL EXTENSION cl_khr_fp16 : enable
12
13struct S { char c[3]; };
14
15char i8;
16short i16;
17int i32;
18int8 i64;
19
20atomic_int gn;
21void f(atomic_int *i, const atomic_int *ci,
22       atomic_intptr_t *p, atomic_float *f, atomic_double *d, atomic_half *h,
23       int *I, const int *CI,
24       intptr_t *P, float *D, struct S *s1, struct S *s2,
25       global atomic_int *i_g, local atomic_int *i_l, private atomic_int *i_p,
26       constant atomic_int *i_c) {
27  __opencl_atomic_init(I, 5); // expected-error {{address argument to atomic operation must be a pointer to _Atomic type ('__generic int *' invalid)}}
28  __opencl_atomic_init(ci, 5); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const __generic atomic_int *' (aka 'const __generic _Atomic(int) *') invalid)}}
29
30  __opencl_atomic_load(0); // expected-error {{too few arguments to function call, expected 3, have 1}}
31  __opencl_atomic_load(0, 0, 0, 0); // expected-error {{too many arguments to function call, expected 3, have 4}}
32  __opencl_atomic_store(0,0,0,0); // expected-error {{address argument to atomic builtin must be a pointer}}
33  __opencl_atomic_store((int *)0, 0, 0, 0); // expected-error {{address argument to atomic operation must be a pointer to _Atomic type ('__generic int *' invalid)}}
34  __opencl_atomic_store(i, 0, memory_order_relaxed, memory_scope_work_group);
35  __opencl_atomic_store(ci, 0, memory_order_relaxed, memory_scope_work_group); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const __generic atomic_int *' (aka 'const __generic _Atomic(int) *') invalid)}}
36  __opencl_atomic_store(i_g, 0, memory_order_relaxed, memory_scope_work_group);
37  __opencl_atomic_store(i_l, 0, memory_order_relaxed, memory_scope_work_group);
38  __opencl_atomic_store(i_p, 0, memory_order_relaxed, memory_scope_work_group);
39  __opencl_atomic_store(i_c, 0, memory_order_relaxed, memory_scope_work_group); // expected-error {{address argument to atomic operation must be a pointer to non-constant _Atomic type ('__constant atomic_int *' (aka '__constant _Atomic(int) *') invalid)}}
40
41  __opencl_atomic_load(i, memory_order_seq_cst, memory_scope_work_group);
42  __opencl_atomic_load(p, memory_order_seq_cst, memory_scope_work_group);
43  __opencl_atomic_load(f, memory_order_seq_cst, memory_scope_work_group);
44  __opencl_atomic_load(ci, memory_order_seq_cst, memory_scope_work_group);
45  __opencl_atomic_load(i_c, memory_order_seq_cst, memory_scope_work_group); // expected-error {{address argument to atomic operation must be a pointer to non-constant _Atomic type ('__constant atomic_int *' (aka '__constant _Atomic(int) *') invalid)}}
46
47  __opencl_atomic_store(i, 1, memory_order_seq_cst, memory_scope_work_group);
48  __opencl_atomic_store(p, 1, memory_order_seq_cst, memory_scope_work_group);
49  (int)__opencl_atomic_store(f, 1, memory_order_seq_cst, memory_scope_work_group); // expected-error {{operand of type 'void' where arithmetic or pointer type is required}}
50
51  int exchange_1 = __opencl_atomic_exchange(i, 1, memory_order_seq_cst, memory_scope_work_group);
52  int exchange_2 = __opencl_atomic_exchange(I, 1, memory_order_seq_cst, memory_scope_work_group); // expected-error {{address argument to atomic operation must be a pointer to _Atomic}}
53
54  __opencl_atomic_fetch_add(i, 1, memory_order_seq_cst, memory_scope_work_group);
55  __opencl_atomic_fetch_add(p, 1, memory_order_seq_cst, memory_scope_work_group);
56  __opencl_atomic_fetch_add(f, 1.0f, memory_order_seq_cst, memory_scope_work_group);
57  __opencl_atomic_fetch_add(d, 1.0, memory_order_seq_cst, memory_scope_work_group);
58  __opencl_atomic_fetch_and(i, 1, memory_order_seq_cst, memory_scope_work_group);
59  __opencl_atomic_fetch_and(p, 1, memory_order_seq_cst, memory_scope_work_group);
60  __opencl_atomic_fetch_and(f, 1, memory_order_seq_cst, memory_scope_work_group); // expected-error {{address argument to atomic operation must be a pointer to atomic integer ('__generic atomic_float *' (aka '__generic _Atomic(float) *') invalid)}}
61
62  __opencl_atomic_fetch_min(i, 1, memory_order_seq_cst, memory_scope_work_group);
63  __opencl_atomic_fetch_max(i, 1, memory_order_seq_cst, memory_scope_work_group);
64  __opencl_atomic_fetch_min(f, 1, memory_order_seq_cst, memory_scope_work_group);
65  __opencl_atomic_fetch_max(f, 1, memory_order_seq_cst, memory_scope_work_group);
66  __opencl_atomic_fetch_min(d, 1, memory_order_seq_cst, memory_scope_work_group);
67  __opencl_atomic_fetch_max(d, 1, memory_order_seq_cst, memory_scope_work_group);
68
69  bool cmpexch_1 = __opencl_atomic_compare_exchange_strong(i, I, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group);
70  bool cmpexch_2 = __opencl_atomic_compare_exchange_strong(p, P, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group);
71  bool cmpexch_3 = __opencl_atomic_compare_exchange_strong(f, I, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group); // expected-warning {{incompatible pointer types passing '__generic int *__private' to parameter of type '__generic float *'}}
72  (void)__opencl_atomic_compare_exchange_strong(i, CI, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group); // expected-warning {{passing 'const __generic int *__private' to parameter of type '__generic int *' discards qualifiers}}
73
74  bool cmpexchw_1 = __opencl_atomic_compare_exchange_weak(i, I, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group);
75  bool cmpexchw_2 = __opencl_atomic_compare_exchange_weak(p, P, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group);
76  bool cmpexchw_3 = __opencl_atomic_compare_exchange_weak(f, I, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group); // expected-warning {{incompatible pointer types passing '__generic int *__private' to parameter of type '__generic float *'}}
77  (void)__opencl_atomic_compare_exchange_weak(i, CI, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group); // expected-warning {{passing 'const __generic int *__private' to parameter of type '__generic int *' discards qualifiers}}
78
79  // Pointers to different address spaces are allowed.
80  bool cmpexch_10 = __opencl_atomic_compare_exchange_strong((global atomic_int *)0x308, (constant int *)0x309, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group);
81
82  __opencl_atomic_init(ci, 0); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const __generic atomic_int *' (aka 'const __generic _Atomic(int) *') invalid)}}
83  __opencl_atomic_store(ci, 0, memory_order_release, memory_scope_work_group); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const __generic atomic_int *' (aka 'const __generic _Atomic(int) *') invalid)}}
84  __opencl_atomic_load(ci, memory_order_acquire, memory_scope_work_group);
85
86  __opencl_atomic_init(&gn, 456);
87  __opencl_atomic_init(&gn, (void*)0); // expected-error{{incompatible pointer to integer conversion passing '__generic void *' to parameter of type 'int'}}
88}
89
90void memory_checks(atomic_int *Ap, int *p, int val) {
91  // non-integer memory order argument is casted to integer type.
92  (void)__opencl_atomic_load(Ap, 1.0f, memory_scope_work_group);
93  float forder;
94  (void)__opencl_atomic_load(Ap, forder, memory_scope_work_group);
95  struct S s;
96  (void)__opencl_atomic_load(Ap, s, memory_scope_work_group); // expected-error {{passing '__private struct S' to parameter of incompatible type 'int'}}
97
98  (void)__opencl_atomic_load(Ap, memory_order_relaxed, memory_scope_work_group);
99  (void)__opencl_atomic_load(Ap, memory_order_acquire, memory_scope_work_group);
100  (void)__opencl_atomic_load(Ap, memory_order_consume, memory_scope_work_group); // expected-error {{use of undeclared identifier 'memory_order_consume'}}
101  (void)__opencl_atomic_load(Ap, memory_order_release, memory_scope_work_group); // expected-warning {{memory order argument to atomic operation is invalid}}
102  (void)__opencl_atomic_load(Ap, memory_order_acq_rel, memory_scope_work_group); // expected-warning {{memory order argument to atomic operation is invalid}}
103  (void)__opencl_atomic_load(Ap, memory_order_seq_cst, memory_scope_work_group);
104
105  (void)__opencl_atomic_store(Ap, val, memory_order_relaxed, memory_scope_work_group);
106  (void)__opencl_atomic_store(Ap, val, memory_order_acquire, memory_scope_work_group); // expected-warning {{memory order argument to atomic operation is invalid}}
107  (void)__opencl_atomic_store(Ap, val, memory_order_release, memory_scope_work_group);
108  (void)__opencl_atomic_store(Ap, val, memory_order_acq_rel, memory_scope_work_group); // expected-warning {{memory order argument to atomic operation is invalid}}
109  (void)__opencl_atomic_store(Ap, val, memory_order_seq_cst, memory_scope_work_group);
110
111  (void)__opencl_atomic_fetch_add(Ap, 1, memory_order_relaxed, memory_scope_work_group);
112  (void)__opencl_atomic_fetch_add(Ap, 1, memory_order_acquire, memory_scope_work_group);
113  (void)__opencl_atomic_fetch_add(Ap, 1, memory_order_release, memory_scope_work_group);
114  (void)__opencl_atomic_fetch_add(Ap, 1, memory_order_acq_rel, memory_scope_work_group);
115  (void)__opencl_atomic_fetch_add(Ap, 1, memory_order_seq_cst, memory_scope_work_group);
116
117  (void)__opencl_atomic_init(Ap, val);
118
119  (void)__opencl_atomic_fetch_sub(Ap, val, memory_order_relaxed, memory_scope_work_group);
120  (void)__opencl_atomic_fetch_sub(Ap, val, memory_order_acquire, memory_scope_work_group);
121  (void)__opencl_atomic_fetch_sub(Ap, val, memory_order_release, memory_scope_work_group);
122  (void)__opencl_atomic_fetch_sub(Ap, val, memory_order_acq_rel, memory_scope_work_group);
123  (void)__opencl_atomic_fetch_sub(Ap, val, memory_order_seq_cst, memory_scope_work_group);
124
125  (void)__opencl_atomic_fetch_and(Ap, val, memory_order_relaxed, memory_scope_work_group);
126  (void)__opencl_atomic_fetch_and(Ap, val, memory_order_acquire, memory_scope_work_group);
127  (void)__opencl_atomic_fetch_and(Ap, val, memory_order_release, memory_scope_work_group);
128  (void)__opencl_atomic_fetch_and(Ap, val, memory_order_acq_rel, memory_scope_work_group);
129  (void)__opencl_atomic_fetch_and(Ap, val, memory_order_seq_cst, memory_scope_work_group);
130
131  (void)__opencl_atomic_fetch_or(Ap, val, memory_order_relaxed, memory_scope_work_group);
132  (void)__opencl_atomic_fetch_or(Ap, val, memory_order_acquire, memory_scope_work_group);
133  (void)__opencl_atomic_fetch_or(Ap, val, memory_order_release, memory_scope_work_group);
134  (void)__opencl_atomic_fetch_or(Ap, val, memory_order_acq_rel, memory_scope_work_group);
135  (void)__opencl_atomic_fetch_or(Ap, val, memory_order_seq_cst, memory_scope_work_group);
136
137  (void)__opencl_atomic_fetch_xor(Ap, val, memory_order_relaxed, memory_scope_work_group);
138  (void)__opencl_atomic_fetch_xor(Ap, val, memory_order_acquire, memory_scope_work_group);
139  (void)__opencl_atomic_fetch_xor(Ap, val, memory_order_release, memory_scope_work_group);
140  (void)__opencl_atomic_fetch_xor(Ap, val, memory_order_acq_rel, memory_scope_work_group);
141  (void)__opencl_atomic_fetch_xor(Ap, val, memory_order_seq_cst, memory_scope_work_group);
142
143  (void)__opencl_atomic_exchange(Ap, val, memory_order_relaxed, memory_scope_work_group);
144  (void)__opencl_atomic_exchange(Ap, val, memory_order_acquire, memory_scope_work_group);
145  (void)__opencl_atomic_exchange(Ap, val, memory_order_release, memory_scope_work_group);
146  (void)__opencl_atomic_exchange(Ap, val, memory_order_acq_rel, memory_scope_work_group);
147  (void)__opencl_atomic_exchange(Ap, val, memory_order_seq_cst, memory_scope_work_group);
148
149  (void)__opencl_atomic_compare_exchange_strong(Ap, p, val, memory_order_relaxed, memory_order_relaxed, memory_scope_work_group);
150  (void)__opencl_atomic_compare_exchange_strong(Ap, p, val, memory_order_acquire, memory_order_relaxed, memory_scope_work_group);
151  (void)__opencl_atomic_compare_exchange_strong(Ap, p, val, memory_order_release, memory_order_relaxed, memory_scope_work_group);
152  (void)__opencl_atomic_compare_exchange_strong(Ap, p, val, memory_order_acq_rel, memory_order_relaxed, memory_scope_work_group);
153  (void)__opencl_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, memory_order_relaxed, memory_scope_work_group);
154
155  (void)__opencl_atomic_compare_exchange_weak(Ap, p, val, memory_order_relaxed, memory_order_relaxed, memory_scope_work_group);
156  (void)__opencl_atomic_compare_exchange_weak(Ap, p, val, memory_order_acquire, memory_order_relaxed, memory_scope_work_group);
157  (void)__opencl_atomic_compare_exchange_weak(Ap, p, val, memory_order_release, memory_order_relaxed, memory_scope_work_group);
158  (void)__opencl_atomic_compare_exchange_weak(Ap, p, val, memory_order_acq_rel, memory_order_relaxed, memory_scope_work_group);
159  (void)__opencl_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, memory_order_relaxed, memory_scope_work_group);
160}
161
162void synchscope_checks(atomic_int *Ap, int scope) {
163  (void)__opencl_atomic_load(Ap, memory_order_relaxed, memory_scope_work_item); // expected-error{{synchronization scope argument to atomic operation is invalid}}
164  (void)__opencl_atomic_load(Ap, memory_order_relaxed, memory_scope_work_group);
165  (void)__opencl_atomic_load(Ap, memory_order_relaxed, memory_scope_device);
166  (void)__opencl_atomic_load(Ap, memory_order_relaxed, memory_scope_all_svm_devices);
167  (void)__opencl_atomic_load(Ap, memory_order_relaxed, memory_scope_all_devices);
168#if __OPENCL_C_VERSION__ < CL_VERSION_3_0
169  // expected-error@-2{{use of undeclared identifier 'memory_scope_all_devices'}}
170  // expected-note@* {{'memory_scope_all_svm_devices' declared here}}
171#endif
172  (void)__opencl_atomic_load(Ap, memory_order_relaxed, memory_scope_sub_group);
173  (void)__opencl_atomic_load(Ap, memory_order_relaxed, scope);
174  (void)__opencl_atomic_load(Ap, memory_order_relaxed, 10);    //expected-error{{synchronization scope argument to atomic operation is invalid}}
175
176  // non-integer memory scope is casted to integer type.
177  float fscope;
178  (void)__opencl_atomic_load(Ap, memory_order_relaxed, 1.0f);
179  (void)__opencl_atomic_load(Ap, memory_order_relaxed, fscope);
180  struct S s;
181  (void)__opencl_atomic_load(Ap, memory_order_relaxed, s); //expected-error{{passing '__private struct S' to parameter of incompatible type 'int'}}
182}
183
184void nullPointerWarning(atomic_int *Ap, int *p, int val) {
185  // The 'expected' pointer shouldn't be NULL.
186  (void)__opencl_atomic_compare_exchange_strong(Ap, (void *)0, val, memory_order_relaxed, memory_order_relaxed, memory_scope_work_group); // expected-warning {{null passed to a callee that requires a non-null argument}}
187}
188