1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
// RUN: %clang_cc1 -std=c++11 -verify %s
// Note that this puts the expected lines before the directives to work around
// limitations in the -verify mode.
template <int V, int I>
void test_nontype_template_param(int *List, int Length) {
#pragma clang loop vectorize_width(V) interleave_count(I)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
#pragma clang loop vectorize_width(V + 4) interleave_count(I + 4)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
}
template <int V>
void test_nontype_template_vectorize(int *List, int Length) {
/* expected-error {{invalid value '-1'; must be positive}} */ #pragma clang loop vectorize_width(V)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop vectorize_width(V / 2)
for (int i = 0; i < Length; i++) {
List[i] += i;
}
}
template <int I>
void test_nontype_template_interleave(int *List, int Length) {
/* expected-error {{invalid value '-1'; must be positive}} */ #pragma clang loop interleave_count(I)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(2 % I)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
}
template <char V>
void test_nontype_template_char(int *List, int Length) {
/* expected-error {{invalid argument of type 'char'; expected an integer type}} */ #pragma clang loop vectorize_width(V)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
}
template <bool V>
void test_nontype_template_bool(int *List, int Length) {
/* expected-error {{invalid argument of type 'bool'; expected an integer type}} */ #pragma clang loop vectorize_width(V)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
}
template <int V, int I>
void test_nontype_template_badarg(int *List, int Length) {
/* expected-error {{use of undeclared identifier 'Vec'}} */ #pragma clang loop vectorize_width(Vec) interleave_count(I)
/* expected-error {{use of undeclared identifier 'Int'}} */ #pragma clang loop vectorize_width(V) interleave_count(Int)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
}
template <typename T>
void test_type_template_vectorize(int *List, int Length) {
const T Value = -1;
/* expected-error {{invalid value '-1'; must be positive}} */ #pragma clang loop vectorize_width(Value)
for (int i = 0; i < Length; i++) {
List[i] = i;
}
}
void test(int *List, int Length) {
int i = 0;
#pragma clang loop vectorize(enable)
#pragma clang loop interleave(enable)
#pragma clang loop unroll(full)
while (i + 1 < Length) {
List[i] = i;
}
#pragma clang loop vectorize_width(4)
#pragma clang loop interleave_count(8)
#pragma clang loop unroll_count(16)
while (i < Length) {
List[i] = i;
}
#pragma clang loop vectorize(disable)
#pragma clang loop interleave(disable)
#pragma clang loop unroll(disable)
while (i - 1 < Length) {
List[i] = i;
}
#pragma clang loop vectorize_width(4) interleave_count(8) unroll_count(16)
while (i - 2 < Length) {
List[i] = i;
}
#pragma clang loop interleave_count(16)
while (i - 3 < Length) {
List[i] = i;
}
int VList[Length];
#pragma clang loop vectorize(disable) interleave(disable) unroll(disable)
for (int j : VList) {
VList[j] = List[j];
}
#pragma clang loop distribute(enable)
for (int j : VList) {
VList[j] = List[j];
}
#pragma clang loop distribute(disable)
for (int j : VList) {
VList[j] = List[j];
}
test_nontype_template_param<4, 8>(List, Length);
/* expected-error {{expected '('}} */ #pragma clang loop vectorize
/* expected-error {{expected '('}} */ #pragma clang loop interleave
/* expected-error {{expected '('}} */ #pragma clang loop unroll
/* expected-error {{expected '('}} */ #pragma clang loop distribute
/* expected-error {{expected ')'}} */ #pragma clang loop vectorize(enable
/* expected-error {{expected ')'}} */ #pragma clang loop interleave(enable
/* expected-error {{expected ')'}} */ #pragma clang loop unroll(full
/* expected-error {{expected ')'}} */ #pragma clang loop distribute(enable
/* expected-error {{expected ')'}} */ #pragma clang loop vectorize_width(4
/* expected-error {{expected ')'}} */ #pragma clang loop interleave_count(4
/* expected-error {{expected ')'}} */ #pragma clang loop unroll_count(4
/* expected-error {{missing argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop vectorize()
/* expected-error {{missing argument; expected an integer value}} */ #pragma clang loop interleave_count()
/* expected-error {{missing argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll()
/* expected-error {{missing argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute()
/* expected-error {{missing option; expected vectorize, vectorize_width, interleave, interleave_count, unroll, unroll_count, pipeline, pipeline_initiation_interval, or distribute}} */ #pragma clang loop
/* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop badkeyword
/* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop badkeyword(enable)
/* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop vectorize(enable) badkeyword(4)
/* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize(enable) ,
while (i-4 < Length) {
List[i] = i;
}
/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop vectorize_width(0)
/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(0)
/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop unroll_count(0)
/* expected-error {{expression is not an integral constant expression}} expected-note {{division by zero}} */ #pragma clang loop vectorize_width(10 / 0)
/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(10 / 5 - 2)
while (i-5 < Length) {
List[i] = i;
}
test_nontype_template_vectorize<4>(List, Length);
/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_vectorize<-1>(List, Length);
test_nontype_template_interleave<8>(List, Length);
/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_interleave<-1>(List, Length);
/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_char<'A'>(List, Length); // Loop hint arg cannot be a char.
/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_bool<true>(List, Length); // Or a bool.
/* expected-note {{in instantiation of function template specialization}} */ test_type_template_vectorize<int>(List, Length); // Or a template type.
/* expected-error {{value '3000000000' is too large}} */ #pragma clang loop vectorize_width(3000000000)
/* expected-error {{value '3000000000' is too large}} */ #pragma clang loop interleave_count(3000000000)
/* expected-error {{value '3000000000' is too large}} */ #pragma clang loop unroll_count(3000000000)
while (i-6 < Length) {
List[i] = i;
}
/* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize_width(1 +) 1
/* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize_width(1) +1
const int VV = 4;
/* expected-error {{expected expression}} */ #pragma clang loop vectorize_width(VV +/ 2)
/* expected-error {{use of undeclared identifier 'undefined'}} */ #pragma clang loop vectorize_width(VV+undefined)
/* expected-error {{expected ')'}} */ #pragma clang loop vectorize_width(1+(^*/2 * ()
/* expected-warning {{extra tokens at end of '#pragma clang loop' - ignored}} */ #pragma clang loop vectorize_width(1+(-0[0]))))))
/* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop vectorize_width(badvalue)
/* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop interleave_count(badvalue)
/* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop unroll_count(badvalue)
while (i-6 < Length) {
List[i] = i;
}
/* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop vectorize(badidentifier)
/* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop interleave(badidentifier)
/* expected-error {{invalid argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll(badidentifier)
/* expected-error {{invalid argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute(badidentifier)
while (i-7 < Length) {
List[i] = i;
}
// PR20069 - Loop pragma arguments that are not identifiers or numeric
// constants crash FE.
/* expected-error {{expected ')'}} */ #pragma clang loop vectorize(()
/* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop interleave(*)
/* expected-error {{invalid argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll(=)
/* expected-error {{invalid argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute(+)
/* expected-error {{type name requires a specifier or qualifier}} expected-error {{expected expression}} */ #pragma clang loop vectorize_width(^)
/* expected-error {{expected expression}} expected-error {{expected expression}} */ #pragma clang loop interleave_count(/)
/* expected-error {{expected expression}} expected-error {{expected expression}} */ #pragma clang loop unroll_count(==)
while (i-8 < Length) {
List[i] = i;
}
#pragma clang loop vectorize(enable)
/* expected-error {{expected a for, while, or do-while loop to follow '#pragma clang loop'}} */ int j = Length;
List[0] = List[1];
while (j-1 < Length) {
List[j] = j;
}
// FIXME: A bug in ParsedAttributes causes the order of the attributes to be
// processed in reverse. Consequently, the errors occur on the first of pragma
// of the next three tests rather than the last, and the order of the kinds
// is also reversed.
#pragma clang loop vectorize_width(4)
/* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize(disable)
#pragma clang loop interleave_count(4)
/* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave(disable)
#pragma clang loop unroll_count(4)
/* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll(disable)
while (i-8 < Length) {
List[i] = i;
}
#pragma clang loop vectorize(enable)
/* expected-error {{duplicate directives 'vectorize(enable)' and 'vectorize(disable)'}} */ #pragma clang loop vectorize(disable)
#pragma clang loop interleave(enable)
/* expected-error {{duplicate directives 'interleave(enable)' and 'interleave(disable)'}} */ #pragma clang loop interleave(disable)
#pragma clang loop unroll(full)
/* expected-error {{duplicate directives 'unroll(full)' and 'unroll(disable)'}} */ #pragma clang loop unroll(disable)
#pragma clang loop distribute(enable)
/* expected-error {{duplicate directives 'distribute(enable)' and 'distribute(disable)'}} */ #pragma clang loop distribute(disable)
while (i-9 < Length) {
List[i] = i;
}
#pragma clang loop vectorize(disable)
/* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize_width(4)
#pragma clang loop interleave(disable)
/* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave_count(4)
#pragma clang loop unroll(disable)
/* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4)
while (i-10 < Length) {
List[i] = i;
}
#pragma clang loop vectorize_width(8)
/* expected-error {{duplicate directives 'vectorize_width(8)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize_width(4)
#pragma clang loop interleave_count(8)
/* expected-error {{duplicate directives 'interleave_count(8)' and 'interleave_count(4)'}} */ #pragma clang loop interleave_count(4)
#pragma clang loop unroll_count(8)
/* expected-error {{duplicate directives 'unroll_count(8)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4)
while (i-11 < Length) {
List[i] = i;
}
#pragma clang loop unroll(full)
/* expected-error {{incompatible directives 'unroll(full)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4)
while (i-11 < Length) {
List[i] = i;
}
#pragma clang loop interleave(enable)
/* expected-error {{expected statement}} */ }
|
