sdcc/support/regression/tests/bug-3043.c.in

   1 /* bug 3048
   2    stm8 and pdk code generator hang on shift by negative literal
   3    type: char, signed char, unsigned char, signed int, unsigned int, signed long, unsigned long, signed long long, unsigned long long
   4  */
   5 #include <testfwk.h>
   6
   7 #pragma disable_warning 259
   8
   9 void g(void)
  10 {
  11 }
  12
  13 void fr({type} x)
  14 {
  15   if (((x >> -1))) // Undefined behaviour, but we should be fine if this is never executed at runtime.
  16     g();
  17 }
  18
  19 void fl({type} x)
  20 {
  21   if (((x << -1))) // Undefined behaviour, but we should be fine if this is never executed at runtime.
  22     g();
  23 }
  24
  25 void testBug(void)
  26 {
  27   volatile _Bool b = 0;
  28   {type} i = 0x5a;
  29   if (b)
  30     fr(i);
  31   if (b)
  32     fl(i);
  33 }
  34