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


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/*
   20041019-1.c from the execute part of the gcc torture suite.
 */

#include <testfwk.h>

#ifdef __SDCC
#pragma std_c99
#endif

ftest_store_ccp (int i)
{
  int *p, a, b, c;

  if (i < 5)
    p = &a;
  else if (i > 8)
    p = &b;
  else
    p = &c;

  *p = 10;
  b = 3;

  /* STORE-CCP was wrongfully propagating 10 into *p.  */
  return *p + 2;
}


ftest_store_copy_prop (int i)
{
  int *p, a, b, c;

  if (i < 5)
    p = &a;
  else if (i > 8)
    p = &b;
  else
    p = &c;

  *p = i;
  b = i + 1;

  /* STORE-COPY-PROP was wrongfully propagating i into *p.  */
  return *p;
}


void
testTortureExecute (void)
{
  int x;
  
  x = ftest_store_ccp (10);
  if (x == 12)
    ASSERT (0);
  
  x = ftest_store_copy_prop (9);
  if (x == 9)
    ASSERT (0);

  return;
}