1ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s 2ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 3ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesclass S { 4ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int a; 5ef8225444452a1486bd721f3285301fe84643b00Stephen Hines S() : a(0) {} 6ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 7ef8225444452a1486bd721f3285301fe84643b00Stephen Hinespublic: 8ef8225444452a1486bd721f3285301fe84643b00Stephen Hines S(int v) : a(v) {} 9ef8225444452a1486bd721f3285301fe84643b00Stephen Hines S(const S &s) : a(s.a) {} 10ef8225444452a1486bd721f3285301fe84643b00Stephen Hines}; 11ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 12ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesstatic int sii; 13ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp threadprivate(sii) // expected-note {{defined as threadprivate or thread local}} 14ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 15ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesint test_iteration_spaces() { 16ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const int N = 100; 17ef8225444452a1486bd721f3285301fe84643b00Stephen Hines float a[N], b[N], c[N]; 18ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int ii, jj, kk; 19ef8225444452a1486bd721f3285301fe84643b00Stephen Hines float fii; 20ef8225444452a1486bd721f3285301fe84643b00Stephen Hines double dii; 21ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 22ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 23ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < 10; i += 1) { 24ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 25ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 26ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 27ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 28ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (char i = 0; i < 10; i++) { 29ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 30ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 31ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 32ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 33ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (char i = 0; i < 10; i += '\1') { 34ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 35ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 36ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 37ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 38ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (long long i = 0; i < 10; i++) { 39ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 40ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 41ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 42ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}} 43ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 44ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (long long i = 0; i < 10; i += 1.5) { 45ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 46ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 47ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 48ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 49ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (long long i = 0; i < 'z'; i += 1u) { 50ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 51ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 52ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 53ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{variable must be of integer or random access iterator type}} 54ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 55ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (float fi = 0; fi < 10.0; fi++) { 56ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[(int)fi] = a[(int)fi] + b[(int)fi]; 57ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 58ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 59ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{variable must be of integer or random access iterator type}} 60ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 61ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (double fi = 0; fi < 10.0; fi++) { 62ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[(int)fi] = a[(int)fi] + b[(int)fi]; 63ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 64ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 65ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{variable must be of integer or random access iterator type}} 66ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 67ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int &ref = ii; ref < 10; ref++) { 68ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 69ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 70ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 71ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 72ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i; i < 10; i++) 73ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 74ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 75ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 76ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 77ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 78ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0, j = 0; i < 10; ++i) 79ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 80ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 81ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 82ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 83ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 84ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (; ii < 10; ++ii) 85ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 86ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 87ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 88ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+3 {{expression result unused}} 89ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 90ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 91ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii + 1; ii < 10; ++ii) 92ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 93ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 94ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 95ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 96ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 97ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (c[ii] = 0; ii < 10; ++ii) 98ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 99ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 100ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 101ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Ok to skip parenthesises. 102ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 103ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (((ii)) = 0; ii < 10; ++ii) 104ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 105ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 106ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 107ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 108ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 109ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i; i++) 110ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 111ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 112ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 113ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 114ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}} 115ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 116ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; jj < kk; ii++) 117ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 118ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 119ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 120ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 121ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 122ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; !!i; i++) 123ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 124ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 125ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 126ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 127ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 128ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i != 1; i++) 129ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 130ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 131ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 132ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 133ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 134ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0;; i++) 135ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 136ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 137ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 138ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Ok. 139ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 140ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 11; i > 10; i--) 141ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 142ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 143ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 144ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Ok. 145ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 146ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < 10; ++i) 147ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i]; 148ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 149ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 150ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Ok. 151ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 152ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ++ii) 153ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 154ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 155ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 156ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 157ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 158ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ++jj) 159ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[jj]; 160ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 161ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 162ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 163ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 164ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ++++ii) 165ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 166ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 167ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 168ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Ok but undefined behavior (in general, cannot check that incr 169ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// is really loop-invariant). 170ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 171ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii = ii + ii) 172ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 173ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 174ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 175ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}} 176ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 177ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii = ii + 1.0f) 178ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 179ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 180ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 181ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Ok - step was converted to integer type. 182ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 183ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii = ii + (int)1.1f) 184ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 185ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 186ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 187ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 188ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 189ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; jj = ii + 2) 190ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 191ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 192ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 193ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+3 {{relational comparison result unused}} 194ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 195ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 196ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii<10; jj> kk + 2) 197ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 198ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 199ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 200ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 201ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 202ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10;) 203ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 204ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 205ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 206ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+3 {{expression result unused}} 207ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 208ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 209ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; !ii) 210ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 211ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 212ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 213ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 214ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 215ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii ? ++ii : ++jj) 216ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 217ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 218ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 219ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 220ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 221ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii = ii < 10) 222ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 223ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 224ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 225ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 226ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 227ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 228ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii = ii + 0) 229ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 230ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 231ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 232ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 233ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 234ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 235ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45)) 236ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 237ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 238ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 239ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 240ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 241ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 242ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; (ii) < 10; ii -= 25) 243ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 244ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 245ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 246ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 247ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 248ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 249ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; (ii < 10); ii -= 0) 250ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 251ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 252ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 253ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be negative due to this condition}} 254ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 255ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 256ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii > 10; (ii += 0)) 257ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 258ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 259ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 260ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 261ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 262ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 263ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii)) 264ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 265ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 266ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 267ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be negative due to this condition}} 268ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 269ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 270ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for ((ii = 0); ii > 10; (ii -= 0)) 271ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 272ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 273ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 274ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 275ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 276ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 277ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; (ii < 10); (ii -= 0)) 278ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 279ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 280ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 281ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+2 {{defined as firstprivate}} 282ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{loop iteration variable in the associated loop of 'omp for' directive may not be firstprivate, predetermined as private}} 283ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for firstprivate(ii) 284ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii++) 285ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 286ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 287ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 288ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+3 {{unexpected OpenMP clause 'linear' in directive '#pragma omp for'}} 289ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+2 {{defined as linear}} 290ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{loop iteration variable in the associated loop of 'omp for' directive may not be linear, predetermined as private}} 291ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for linear(ii) 292ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii++) 293ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 294ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 295ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 296ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for private(ii) 297ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii++) 298ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 299ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 300ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 301ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for lastprivate(ii) 302ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (ii = 0; ii < 10; ii++) 303ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[ii] = a[ii]; 304ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 305ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 306ef8225444452a1486bd721f3285301fe84643b00Stephen Hines { 307ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{loop iteration variable in the associated loop of 'omp for' directive may not be threadprivate or thread local, predetermined as private}} 308ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 309ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (sii = 0; sii < 10; sii += 1) 310ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[sii] = a[sii]; 311ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 312ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 313ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 314ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{statement after '#pragma omp for' must be a for loop}} 315ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 316ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (auto &item : a) { 317ef8225444452a1486bd721f3285301fe84643b00Stephen Hines item = item + 1; 318ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 319ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 320ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 321ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 322ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} 323ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 324ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (unsigned i = 9; i < 10; i--) { 325ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 326ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 327ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 328ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int(*lb)[4] = nullptr; 329ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 330ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 331ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int(*p)[4] = lb; p < lb + 8; ++p) { 332ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 333ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 334ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 335ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 336ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 337ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int a{0}; a < 10; ++a) { 338ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 339ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 340ef8225444452a1486bd721f3285301fe84643b00Stephen Hines return 0; 341ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 342ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 343ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Iterators allowed in openmp for-loops. 344ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesnamespace std { 345ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesstruct random_access_iterator_tag {}; 346ef8225444452a1486bd721f3285301fe84643b00Stephen Hinestemplate <class Iter> 347ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesstruct iterator_traits { 348ef8225444452a1486bd721f3285301fe84643b00Stephen Hines typedef typename Iter::difference_type difference_type; 349ef8225444452a1486bd721f3285301fe84643b00Stephen Hines typedef typename Iter::iterator_category iterator_category; 350ef8225444452a1486bd721f3285301fe84643b00Stephen Hines}; 351ef8225444452a1486bd721f3285301fe84643b00Stephen Hinestemplate <class Iter> 352ef8225444452a1486bd721f3285301fe84643b00Stephen Hinestypename iterator_traits<Iter>::difference_type 353ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesdistance(Iter first, Iter last) { return first - last; } 354ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 355ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesclass Iter0 { 356ef8225444452a1486bd721f3285301fe84643b00Stephen Hinespublic: 357ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter0() {} 358ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter0(const Iter0 &) {} 359ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter0 operator++() { return *this; } 360ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter0 operator--() { return *this; } 361ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool operator<(Iter0 a) { return true; } 362ef8225444452a1486bd721f3285301fe84643b00Stephen Hines}; 363ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesint operator-(Iter0 a, Iter0 b) { return 0; } 364ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesclass Iter1 { 365ef8225444452a1486bd721f3285301fe84643b00Stephen Hinespublic: 366ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter1(float f = 0.0f, double d = 0.0) {} 367ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter1(const Iter1 &) {} 368ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter1 operator++() { return *this; } 369ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter1 operator--() { return *this; } 370ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool operator<(Iter1 a) { return true; } 371ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool operator>=(Iter1 a) { return false; } 372ef8225444452a1486bd721f3285301fe84643b00Stephen Hines}; 373ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesclass GoodIter { 374ef8225444452a1486bd721f3285301fe84643b00Stephen Hinespublic: 375ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter() {} 376ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter(const GoodIter &) {} 377ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter(int fst, int snd) {} 378ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter &operator=(const GoodIter &that) { return *this; } 379ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter &operator=(const Iter0 &that) { return *this; } 380ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter &operator+=(int x) { return *this; } 381ef8225444452a1486bd721f3285301fe84643b00Stephen Hines explicit GoodIter(void *) {} 382ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter operator++() { return *this; } 383ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter operator--() { return *this; } 384ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool operator!() { return true; } 385ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool operator<(GoodIter a) { return true; } 386ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool operator<=(GoodIter a) { return true; } 387ef8225444452a1486bd721f3285301fe84643b00Stephen Hines bool operator>=(GoodIter a) { return false; } 388ef8225444452a1486bd721f3285301fe84643b00Stephen Hines typedef int difference_type; 389ef8225444452a1486bd721f3285301fe84643b00Stephen Hines typedef std::random_access_iterator_tag iterator_category; 390ef8225444452a1486bd721f3285301fe84643b00Stephen Hines}; 391ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesint operator-(GoodIter a, GoodIter b) { return 0; } 392ef8225444452a1486bd721f3285301fe84643b00Stephen HinesGoodIter operator-(GoodIter a) { return a; } 393ef8225444452a1486bd721f3285301fe84643b00Stephen HinesGoodIter operator-(GoodIter a, int v) { return GoodIter(); } 394ef8225444452a1486bd721f3285301fe84643b00Stephen HinesGoodIter operator+(GoodIter a, int v) { return GoodIter(); } 395ef8225444452a1486bd721f3285301fe84643b00Stephen HinesGoodIter operator-(int v, GoodIter a) { return GoodIter(); } 396ef8225444452a1486bd721f3285301fe84643b00Stephen HinesGoodIter operator+(int v, GoodIter a) { return GoodIter(); } 397ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 398ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesint test_with_random_access_iterator() { 399ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter begin, end; 400ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter0 begin0, end0; 401ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 402ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 403ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I < end; ++I) 404ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 405ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 406ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{variable must be of integer or random access iterator type}} 407ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 408ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter &I = begin; I < end; ++I) 409ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 410ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 411ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 412ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I >= end; --I) 413ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 414ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 415ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 416ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 417ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I(begin); I < end; ++I) 418ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 419ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 420ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 421ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 422ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I(nullptr); I < end; ++I) 423ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 424ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 425ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 426ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 427ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I(0); I < end; ++I) 428ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 429ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 430ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 431ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 432ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I(1, 2); I < end; ++I) 433ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 434ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 435ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 436ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (begin = GoodIter(0); begin < end; ++begin) 437ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++begin; 438ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 439ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 440ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (begin = begin0; begin < end; ++begin) 441ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++begin; 442ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 443ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 444ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 445ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (++begin; begin < end; ++begin) 446ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++begin; 447ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 448ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 449ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (begin = end; begin < end; ++begin) 450ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++begin; 451ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 452ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 453ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 454ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I - I; ++I) 455ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 456ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 457ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 458ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 459ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; begin < end; ++I) 460ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 461ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 462ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 463ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 464ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; !I; ++I) 465ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 466ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 467ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be negative due to this condition}} 468ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 469ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 470ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I >= end; I = I + 1) 471ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 472ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 473ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 474ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I >= end; I = I - 1) 475ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 476ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 477ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 478ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 479ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I >= end; I = -I) 480ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 481ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 482ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be negative due to this condition}} 483ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 484ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 485ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I >= end; I = 2 + I) 486ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 487ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 488ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 489ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 490ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (GoodIter I = begin; I >= end; I = 2 - I) 491ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 492ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 493ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 494ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (Iter0 I = begin0; I < end0; ++I) 495ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 496ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 497ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Initializer is constructor without params. 498ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 499ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 500ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (Iter0 I; I < end0; ++I) 501ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 502ef8225444452a1486bd721f3285301fe84643b00Stephen Hines Iter1 begin1, end1; 503ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 504ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 505ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (Iter1 I = begin1; I < end1; ++I) 506ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 507ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 508ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be negative due to this condition}} 509ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 510ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 511ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (Iter1 I = begin1; I >= end1; ++I) 512ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 513ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 514ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Initializer is constructor with all default params. 515ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 516ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 517ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (Iter1 I; I < end1; ++I) { 518ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 519ef8225444452a1486bd721f3285301fe84643b00Stephen Hines return 0; 520ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 521ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 522ef8225444452a1486bd721f3285301fe84643b00Stephen Hinestemplate <typename IT, int ST> 523ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesclass TC { 524ef8225444452a1486bd721f3285301fe84643b00Stephen Hinespublic: 525ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int dotest_lt(IT begin, IT end) { 526ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 527ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 528ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 529ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 530ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (IT I = begin; I < end; I = I + ST) { 531ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 532ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 533ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 534ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be positive due to this condition}} 535ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 536ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 537ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (IT I = begin; I <= end; I += ST) { 538ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 539ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 540ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 541ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 542ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (IT I = begin; I < end; ++I) { 543ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 544ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 545ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 546ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 547ef8225444452a1486bd721f3285301fe84643b00Stephen Hines static IT step() { 548ef8225444452a1486bd721f3285301fe84643b00Stephen Hines return IT(ST); 549ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 550ef8225444452a1486bd721f3285301fe84643b00Stephen Hines}; 551ef8225444452a1486bd721f3285301fe84643b00Stephen Hinestemplate <typename IT, int ST = 0> 552ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesint dotest_gt(IT begin, IT end) { 553ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 554ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 555ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 556ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 557ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (IT I = begin; I >= end; I = I + ST) { 558ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 559ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 560ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 561ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 562ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 563ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 564ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (IT I = begin; I >= end; I += ST) { 565ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 566ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 567ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 568ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 569ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-note@+3 {{loop step is expected to be negative due to this condition}} 570ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 571ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 572ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (IT I = begin; I >= end; ++I) { 573ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 574ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 575ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 576ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 577ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 578ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (IT I = begin; I < end; I += TC<int, ST>::step()) { 579ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ++I; 580ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 581ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 582ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 583ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid test_with_template() { 584ef8225444452a1486bd721f3285301fe84643b00Stephen Hines GoodIter begin, end; 585ef8225444452a1486bd721f3285301fe84643b00Stephen Hines TC<GoodIter, 100> t1; 586ef8225444452a1486bd721f3285301fe84643b00Stephen Hines TC<GoodIter, -100> t2; 587ef8225444452a1486bd721f3285301fe84643b00Stephen Hines t1.dotest_lt(begin, end); 588ef8225444452a1486bd721f3285301fe84643b00Stephen Hines t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} 589ef8225444452a1486bd721f3285301fe84643b00Stephen Hines dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} 590ef8225444452a1486bd721f3285301fe84643b00Stephen Hines dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} 591ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 592ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 593ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid test_loop_break() { 594ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const int N = 100; 595ef8225444452a1486bd721f3285301fe84643b00Stephen Hines float a[N], b[N], c[N]; 596ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 597ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 598ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < 10; i++) { 599ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 600ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int j = 0; j < 10; ++j) { 601ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (a[i] > b[j]) 602ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; // OK in nested loop 603ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 604ef8225444452a1486bd721f3285301fe84643b00Stephen Hines switch (i) { 605ef8225444452a1486bd721f3285301fe84643b00Stephen Hines case 1: 606ef8225444452a1486bd721f3285301fe84643b00Stephen Hines b[i]++; 607ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; 608ef8225444452a1486bd721f3285301fe84643b00Stephen Hines default: 609ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; 610ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 611ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (c[i] > 10) 612ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 613ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 614ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (c[i] > 11) 615ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 616ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 617ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 618ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 619ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 620ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < 10; i++) { 621ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int j = 0; j < 10; j++) { 622ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 623ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (c[i] > 10) { 624ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (c[i] < 20) { 625ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; // OK 626ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 627ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 628ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 629ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 630ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 631ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 632ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid test_loop_eh() { 633ef8225444452a1486bd721f3285301fe84643b00Stephen Hines const int N = 100; 634ef8225444452a1486bd721f3285301fe84643b00Stephen Hines float a[N], b[N], c[N]; 635ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 636ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 637ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < 10; i++) { 638ef8225444452a1486bd721f3285301fe84643b00Stephen Hines c[i] = a[i] + b[i]; 639ef8225444452a1486bd721f3285301fe84643b00Stephen Hines try { 640ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int j = 0; j < 10; ++j) { 641ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (a[i] > b[j]) 642ef8225444452a1486bd721f3285301fe84643b00Stephen Hines throw a[i]; 643ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 644ef8225444452a1486bd721f3285301fe84643b00Stephen Hines throw a[i]; 645ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } catch (float f) { 646ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (f > 0.1) 647ef8225444452a1486bd721f3285301fe84643b00Stephen Hines throw a[i]; 648ef8225444452a1486bd721f3285301fe84643b00Stephen Hines return; // expected-error {{cannot return from OpenMP region}} 649ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 650ef8225444452a1486bd721f3285301fe84643b00Stephen Hines switch (i) { 651ef8225444452a1486bd721f3285301fe84643b00Stephen Hines case 1: 652ef8225444452a1486bd721f3285301fe84643b00Stephen Hines b[i]++; 653ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; 654ef8225444452a1486bd721f3285301fe84643b00Stephen Hines default: 655ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; 656ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 657ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int j = 0; j < 10; j++) { 658ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (c[i] > 10) 659ef8225444452a1486bd721f3285301fe84643b00Stephen Hines throw c[i]; 660ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 661ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 662ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (c[9] > 10) 663ef8225444452a1486bd721f3285301fe84643b00Stephen Hines throw c[9]; // OK 664ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 665ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 666ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for 667ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < 10; ++i) { 668ef8225444452a1486bd721f3285301fe84643b00Stephen Hines struct S { 669ef8225444452a1486bd721f3285301fe84643b00Stephen Hines void g() { throw 0; } 670ef8225444452a1486bd721f3285301fe84643b00Stephen Hines }; 671ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 672ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 673ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 674ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid test_loop_firstprivate_lastprivate() { 675ef8225444452a1486bd721f3285301fe84643b00Stephen Hines S s(4); 676ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp parallel 677ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma omp for lastprivate(s) firstprivate(s) 678ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < 16; ++i) 679ef8225444452a1486bd721f3285301fe84643b00Stephen Hines ; 680ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 681