sdcc/support/regression/tests/gcc-torture-execute-20020805-1.c

   1 /*
   2    20020805-1.c from the execute part of the gcc torture suite.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 /* This testcase was miscompiled on IA-32, because fold-const
  12    assumed associate_trees is always done on PLUS_EXPR.  */
  13
  14 void check (unsigned int m)
  15 {
  16   if (m != (unsigned int) -1)
  17     ASSERT (0);
  18 }
  19
  20 unsigned int n = 1;
  21
  22 void testTortureExecute (void)
  23 {
  24   unsigned int m;
  25   m = (1 | (2 - n)) | (-n);
  26   check (m);
  27   return;
  28 }