gcc/testsuite/gcc.dg/pr108241.c

   1 /* PR driver/108241 */
   2 /* { dg-options "-Os -frounding-math -fvar-tracking-assignments -fno-dce -fno-trapping-math -fno-tree-dce -fno-tree-dse" } */
   3
   4 long int n1;
   5 int n2, n3, n4;
   6 char n5;
   7
   8 void
   9 foo (long int x1, long int x2, int x3, int x4, int x5, char x6, char x7)
  10 {
  11   char a01 = n2, a02 = x4, a03 = 0;
  12   short int a04;
  13   unsigned short int a05 = x5;
  14   int a06, a07, a08 = a05, a09 = x3, a10 = 0;
  15   long int a11, a12 = x4;
  16
  17   if (x1)
  18     {
  19       a07 = x6 + (float)0x1000001;
  20       a03 = a12 = a01 = a06 = ~0;
  21
  22       if (x5)
  23         a11 = n5;
  24     }
  25   else
  26     {
  27       a10 = x3 = n3;
  28       if (n3)
  29         a06 = a05 = x7;
  30     }
  31
  32   if (n3 < n5)
  33     {
  34       n4 = (x2 == x4) + !n1;
  35       if (n4 % (n1 % x3))
  36         {
  37           a04 = n4;
  38           a02 = n2;
  39         }
  40
  41       if (x3)
  42         {
  43           a05 = !n1 % n2;
  44           a08 = n1;
  45           a04 = x5 + a06;
  46         }
  47
  48       if (a12)
  49         a09 = n3 + n4;
  50
  51       a12 = a07;
  52       n3 = a11 % x1;
  53       n5 += x6;
  54       n1 = a04;
  55     }
  56
  57   n4 = x2 % x5 % a11;
  58   a06 = a10 + a08 % a02 == n4;
  59   a09 = a09 == a01 * x7;
  60   n4 = x4;
  61   a12 += x4 / 0xc000000000000000 + !a03;
  62   a03 = !a05;
  63 }