1 // RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -verify %s 2 3 void func( double *A, int N, int M, int NB ) { 4 #pragma omp parallel 5 { 6 int nblks = (N-1)/NB; 7 int lnb = ((N-1)/NB)*NB; 8 9 #pragma omp for collapse(2) 10 for (int jblk = 0 ; jblk < nblks ; jblk++ ) { 11 int jb = (jblk == nblks - 1 ? lnb : NB); 12 for (int jk = 0; jk < N; jk+=jb) { // expected-error{{cannot use variable 'jb' in collapsed imperfectly-nested loop increment statement}} 13 } 14 } 15 16 #pragma omp for collapse(2) 17 for (int a = 0; a < N; a++) { 18 for (int b = 0; b < M; b++) { 19 int cx = a+b < NB ? a : b; 20 for (int c = 0; c < cx; c++) { 21 } 22 } 23 } 24 25 #pragma omp for collapse(3) 26 for (int a = 0; a < N; a++) { 27 for (int b = 0; b < M; b++) { 28 int cx = a+b < NB ? a : b; 29 for (int c = 0; c < cx; c++) { // expected-error{{cannot use variable 'cx' in collapsed imperfectly-nested loop condition statement}} 30 } 31 } 32 } 33 } 34 } 35 36 int main(void) { 37 double arr[256]; 38 func (arr, 16, 16, 16); 39 return 0; 40 } 41