sdcc/support/regression/tests/bug-3235.c

   1 /*
   2    bug-3235.c. A function call was incorrectly considered to be recursive in the peephole optimizer when the name of the callee was a prefix of the caller's name.
   3    Required some further conditions, such as register arguments to the callee and tail-call optimization to trigger.
   4  */
   5
   6 #include <testfwk.h>
   7
   8 #ifdef __SDCC
   9 #pragma std_c99
  10 #endif
  11
  12 void
  13 func (int a) __z88dk_callee;
  14
  15 void
  16 func_ (void)
  17 {
  18   func (23);
  19   return;
  20 }
  21
  22 int i;
  23
  24 void
  25 testBug (void)
  26 {
  27   func_();
  28   ASSERT (i == 23);
  29   return;
  30 }
  31
  32 void
  33 func (int a) __z88dk_callee
  34 {
  35   i = a;
  36 }
  37