sdcc/support/regression/tests/gcc-torture-execute-20170419-1.c

   1 /*
   2    20170419-1.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 /* PR tree-optimization/80426 */
  12 /* Testcase by <ishiura-compiler@ml.kwansei.ac.jp> */
  13
  14 #define INT_MAX 0x7fffffff
  15 #define INT_MIN (-INT_MAX-1)
  16
  17 int x;
  18
  19 void
  20 testTortureExecute (void)
  21 {
  22   volatile int a = 0;
  23   volatile int b = -INT_MAX;
  24   int j;
  25
  26   for(j = 0; j < 18; j += 1) {
  27     x = ( (a == 0) != (b - (int)(INT_MIN) ) );
  28   }
  29
  30   if (x != 0)
  31     ASSERT (0);
  32 }
  33