andor-1.c

用于进行gcc测试

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-original" } */

unsigned int test1(unsigned int a)
{
  return (a & 1) | 1;
}

int test2(int b)
{
  return (b & 1) | 1;
}

unsigned int test3(unsigned int c)
{
  return (c | 1) & 1;
}

int test4(int d)
{
  return (d | 1) & 1;
}

unsigned int test5(unsigned int e)
{
  return (e | 4) & 6;
}

int test6(int f)
{
  return (f | 4) & 6;
}

unsigned int test7(unsigned int g)
{
  return (g & -2) | 1;
}

int test8(int h)
{
  return (h & -2) | 1;
}

unsigned int test9(unsigned int i)
{
  return (i & 3) | 1;
}

int test10(int j)
{
  return (j & 3) | 1;
}

/* { dg-final { scan-tree-dump-times "a \& 1 \\| 1" 0 "original" } } */
/* { dg-final { scan-tree-dump-times "b \& 1 \\| 1" 0 "original" } } */
/* { dg-final { scan-tree-dump-times "\\(c \\| 1\\) \& 1" 0 "original" } } */
/* { dg-final { scan-tree-dump-times "\\(d \\| 1\\) \& 1" 0 "original" } } */
/* { dg-final { scan-tree-dump-times "e \& 2 \\| 4" 1 "original" } } */
/* { dg-final { scan-tree-dump-times "f \& 2 \\| 4" 1 "original" } } */
/* { dg-final { scan-tree-dump-times "g \\| 1" 1 "original" } } */
/* { dg-final { scan-tree-dump-times "h \\| 1" 1 "original" } } */
/* { dg-final { scan-tree-dump-times "i \& 2 \\| 1" 1 "original" } } */
/* { dg-final { scan-tree-dump-times "j \& 2 \\| 1" 1 "original" } } */
/* { dg-final { cleanup-tree-dump "original" } } */