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