gcc/testsuite/gcc.c-torture/compile/20050721-1.c

   1 /* Test for PR target/20191.  */
   2
   3 struct S1;
   4
   5 struct S1 {
   6   struct S1 *next;
   7   float x;
   8 };
   9
  10 struct S2 {
  11   float y;
  12 };
  13
  14 extern int func_ex1 (float);
  15
  16 extern int f;
  17 extern float n;
  18 extern struct S1 *bp1;
  19 extern struct S2 *bp2;
  20
  21 inline float
  22 func1 (int f, struct S2 *p2)
  23 {
  24   float a;
  25
  26   if (f)
  27     a = n >= p2->y ? n : p2->y;
  28   else
  29     a = n;
  30   return a;
  31 }
  32
  33 inline float
  34 func2 (struct S1 *p1, struct S2 *p2)
  35 {
  36   float a, b;
  37
  38   if(n <= 1.0)
  39     b = func1 (f, p2);
  40   else
  41     {
  42        a = n <= p1->x ? 0.0 : p1->x;
  43        b = a >= p2->y ? a : p2->y;
  44     }
  45   return(b);
  46 }
  47
  48 void
  49 func3 (struct S1 *p)
  50 {
  51   float a = 0.0;
  52
  53   if (f)
  54     a = func2 (bp1, bp2);
  55   if (func_ex1 (a))
  56     bp1 = p;
  57 }