sdcc/support/regression/tests/gcc-torture-execute-20041019-1.c

   1 /*
   2    20041019-1.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 int
  12 ftest_store_ccp (int i)
  13 {
  14   int *p, a, b, c;
  15
  16   if (i < 5)
  17     p = &a;
  18   else if (i > 8)
  19     p = &b;
  20   else
  21     p = &c;
  22
  23   *p = 10;
  24   b = 3;
  25
  26   /* STORE-CCP was wrongfully propagating 10 into *p.  */
  27   return *p + 2;
  28 }
  29
  30 int
  31 ftest_store_copy_prop (int i)
  32 {
  33   int *p, a, b, c;
  34
  35   if (i < 5)
  36     p = &a;
  37   else if (i > 8)
  38     p = &b;
  39   else
  40     p = &c;
  41
  42   *p = i;
  43   b = i + 1;
  44
  45   /* STORE-COPY-PROP was wrongfully propagating i into *p.  */
  46   return *p;
  47 }
  48
  49
  50 void
  51 testTortureExecute (void)
  52 {
  53   int x;
  54
  55   x = ftest_store_ccp (10);
  56   ASSERT(x != 12);
  57
  58   x = ftest_store_copy_prop (9);
  59   ASSERT(x != 9);
  60
  61   return;
  62 }