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