(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
loop-unswitch-2.c
       1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -funswitch-loops -fdump-tree-unswitch-all -fno-thread-jumps" } */
       3  
       4  void foo (float **a, float **b, float *c, int n, int m, int l)
       5  {
       6    int i,j,k;
       7    float s;
       8    for (i=0; i<l; i++)
       9      for (j=0; j<n; j++)
      10        for (k=0; k<m; k++)
      11  	c[i] += a[i][k] * b[k][j];
      12  }
      13  
      14  /* { dg-final { scan-tree-dump-times "Guard hoisted" 3 "unswitch" } } */
      15  /* { dg-final { scan-tree-dump-not "Invalid sum" "unswitch" } } */