gcc/testsuite/gcc.c-torture/execute/20060930-1.c

   1 /* PR rtl-optimization/28096 */
   2 /* Origin: Jan Stein <jan@gatespacetelematics.com> */
   3
   4 extern void abort (void);
   5
   6 int bar (int, int) __attribute__((noinline));
   7 int bar (int a, int b)
   8 {
   9   if (b != 1)
  10     abort ();
  11 }
  12
  13 void foo(int, int) __attribute__((noinline));
  14 void foo (int e, int n)
  15 {
  16   int i, bb2, bb5;
  17
  18   if (e > 0)
  19     e = -e;
  20
  21   for (i = 0; i < n; i++)
  22     {
  23       if (e >= 0)
  24         {
  25           bb2 = 0;
  26           bb5 = 0;
  27         }
  28       else
  29         {
  30           bb5 = -e;
  31           bb2 = bb5;
  32         }
  33
  34       bar (bb5, bb2);
  35     }
  36 }
  37
  38 int main(void)
  39 {
  40   foo (1, 1);
  41   return 0;
  42 }