41 lines · c
1// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -verify %s2 3void func( double *A, int N, int M, int NB ) {4#pragma omp parallel5 {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 36int main(void) {37 double arr[256];38 func (arr, 16, 16, 16);39 return 0;40}41