(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
loop-unswitch-7.c
       1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -funswitch-loops -fno-thread-jumps -fdump-tree-unswitch-optimized" } */
       3  
       4  int
       5  foo(double *a, double *b, double *c, double *d, double *r, int size, float order)
       6  {
       7    for (int i = 0; i < size; i++)
       8    {
       9      double tmp;
      10  
      11      if (order == 1.f)
      12        tmp = -8 * a[i];
      13      else
      14        tmp = -4 * b[i];
      15  
      16      double x = 3 * tmp + d[i] + tmp;
      17  
      18      if (order == 1.f)
      19        x += 2;
      20  
      21      double y = 3.4f * tmp + d[i];
      22      r[i] = x + y;
      23    }
      24  
      25    return 0;
      26  }
      27  
      28  /* { dg-final { scan-tree-dump-times "unswitching loop . on .if. with condition: order.* == 1.0e" 1 "unswitch" } } */