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 6template <int V, int I> 7void 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 19template <int V> 20void 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 32template <int I> 33void 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 45template <char V> 46void 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 53template <bool V> 54void 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 61template <int V, int I> 62void 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 70template <typename T> 71void 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 79void 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#pragma clang loop distribute(enable) 120 for (int j : VList) { 121 VList[j] = List[j]; 122 } 123 124#pragma clang loop distribute(disable) 125 for (int j : VList) { 126 VList[j] = List[j]; 127 } 128 129 test_nontype_template_param<4, 8>(List, Length); 130 131/* expected-error {{expected '('}} */ #pragma clang loop vectorize 132/* expected-error {{expected '('}} */ #pragma clang loop interleave 133/* expected-error {{expected '('}} */ #pragma clang loop unroll 134/* expected-error {{expected '('}} */ #pragma clang loop distribute 135 136/* expected-error {{expected ')'}} */ #pragma clang loop vectorize(enable 137/* expected-error {{expected ')'}} */ #pragma clang loop interleave(enable 138/* expected-error {{expected ')'}} */ #pragma clang loop unroll(full 139/* expected-error {{expected ')'}} */ #pragma clang loop distribute(enable 140 141/* expected-error {{expected ')'}} */ #pragma clang loop vectorize_width(4 142/* expected-error {{expected ')'}} */ #pragma clang loop interleave_count(4 143/* expected-error {{expected ')'}} */ #pragma clang loop unroll_count(4 144 145/* expected-error {{missing argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop vectorize() 146/* expected-error {{missing argument; expected an integer value}} */ #pragma clang loop interleave_count() 147/* expected-error {{missing argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll() 148/* expected-error {{missing argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute() 149 150/* expected-error {{missing option; expected vectorize, vectorize_width, interleave, interleave_count, unroll, unroll_count, or distribute}} */ #pragma clang loop 151/* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop badkeyword 152/* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop badkeyword(enable) 153/* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop vectorize(enable) badkeyword(4) 154/* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize(enable) , 155 while (i-4 < Length) { 156 List[i] = i; 157 } 158 159/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop vectorize_width(0) 160/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(0) 161/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop unroll_count(0) 162 163/* expected-error {{expression is not an integral constant expression}} expected-note {{division by zero}} */ #pragma clang loop vectorize_width(10 / 0) 164/* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(10 / 5 - 2) 165 while (i-5 < Length) { 166 List[i] = i; 167 } 168 169test_nontype_template_vectorize<4>(List, Length); 170/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_vectorize<-1>(List, Length); 171test_nontype_template_interleave<8>(List, Length); 172/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_interleave<-1>(List, Length); 173 174/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_char<'A'>(List, Length); // Loop hint arg cannot be a char. 175/* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_bool<true>(List, Length); // Or a bool. 176/* expected-note {{in instantiation of function template specialization}} */ test_type_template_vectorize<int>(List, Length); // Or a template type. 177 178/* expected-error {{value '3000000000' is too large}} */ #pragma clang loop vectorize_width(3000000000) 179/* expected-error {{value '3000000000' is too large}} */ #pragma clang loop interleave_count(3000000000) 180/* expected-error {{value '3000000000' is too large}} */ #pragma clang loop unroll_count(3000000000) 181 while (i-6 < Length) { 182 List[i] = i; 183 } 184 185/* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize_width(1 +) 1 186/* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize_width(1) +1 187const int VV = 4; 188/* expected-error {{expected expression}} */ #pragma clang loop vectorize_width(VV +/ 2) 189/* expected-error {{use of undeclared identifier 'undefined'}} */ #pragma clang loop vectorize_width(VV+undefined) 190/* expected-error {{expected ')'}} */ #pragma clang loop vectorize_width(1+(^*/2 * () 191/* expected-warning {{extra tokens at end of '#pragma clang loop' - ignored}} */ #pragma clang loop vectorize_width(1+(-0[0])))))) 192 193/* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop vectorize_width(badvalue) 194/* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop interleave_count(badvalue) 195/* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop unroll_count(badvalue) 196 while (i-6 < Length) { 197 List[i] = i; 198 } 199 200/* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop vectorize(badidentifier) 201/* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop interleave(badidentifier) 202/* expected-error {{invalid argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll(badidentifier) 203/* expected-error {{invalid argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute(badidentifier) 204 while (i-7 < Length) { 205 List[i] = i; 206 } 207 208// PR20069 - Loop pragma arguments that are not identifiers or numeric 209// constants crash FE. 210/* expected-error {{expected ')'}} */ #pragma clang loop vectorize(() 211/* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop interleave(*) 212/* expected-error {{invalid argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll(=) 213/* expected-error {{invalid argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute(+) 214/* expected-error {{type name requires a specifier or qualifier}} expected-error {{expected expression}} */ #pragma clang loop vectorize_width(^) 215/* expected-error {{expected expression}} expected-error {{expected expression}} */ #pragma clang loop interleave_count(/) 216/* expected-error {{expected expression}} expected-error {{expected expression}} */ #pragma clang loop unroll_count(==) 217 while (i-8 < Length) { 218 List[i] = i; 219 } 220 221#pragma clang loop vectorize(enable) 222/* expected-error {{expected a for, while, or do-while loop to follow '#pragma clang loop'}} */ int j = Length; 223 List[0] = List[1]; 224 225 while (j-1 < Length) { 226 List[j] = j; 227 } 228 229// FIXME: A bug in ParsedAttributes causes the order of the attributes to be 230// processed in reverse. Consequently, the errors occur on the first of pragma 231// of the next three tests rather than the last, and the order of the kinds 232// is also reversed. 233 234/* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize_width(4) 235#pragma clang loop vectorize(disable) 236/* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave_count(4) 237#pragma clang loop interleave(disable) 238/* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4) 239#pragma clang loop unroll(disable) 240 while (i-8 < Length) { 241 List[i] = i; 242 } 243 244/* expected-error {{duplicate directives 'vectorize(disable)' and 'vectorize(enable)'}} */ #pragma clang loop vectorize(enable) 245#pragma clang loop vectorize(disable) 246/* expected-error {{duplicate directives 'interleave(disable)' and 'interleave(enable)'}} */ #pragma clang loop interleave(enable) 247#pragma clang loop interleave(disable) 248/* expected-error {{duplicate directives 'unroll(disable)' and 'unroll(full)'}} */ #pragma clang loop unroll(full) 249#pragma clang loop unroll(disable) 250/* expected-error {{duplicate directives 'distribute(disable)' and 'distribute(enable)'}} */ #pragma clang loop distribute(enable) 251#pragma clang loop distribute(disable) 252 while (i-9 < Length) { 253 List[i] = i; 254 } 255 256/* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize(disable) 257#pragma clang loop vectorize_width(4) 258/* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave(disable) 259#pragma clang loop interleave_count(4) 260/* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll(disable) 261#pragma clang loop unroll_count(4) 262 while (i-10 < Length) { 263 List[i] = i; 264 } 265 266/* expected-error {{duplicate directives 'vectorize_width(4)' and 'vectorize_width(8)'}} */ #pragma clang loop vectorize_width(8) 267#pragma clang loop vectorize_width(4) 268/* expected-error {{duplicate directives 'interleave_count(4)' and 'interleave_count(8)'}} */ #pragma clang loop interleave_count(8) 269#pragma clang loop interleave_count(4) 270/* expected-error {{duplicate directives 'unroll_count(4)' and 'unroll_count(8)'}} */ #pragma clang loop unroll_count(8) 271#pragma clang loop unroll_count(4) 272 while (i-11 < Length) { 273 List[i] = i; 274 } 275 276 277/* expected-error {{incompatible directives 'unroll(full)' and 'unroll_count(4)'}} */ #pragma clang loop unroll(full) 278#pragma clang loop unroll_count(4) 279 while (i-11 < Length) { 280 List[i] = i; 281 } 282 283#pragma clang loop interleave(enable) 284/* expected-error {{expected statement}} */ } 285