1  /* PR rtl-optimization/49095 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Os -fno-shrink-wrap -masm=att" } */
       4  /* { dg-additional-options "-mregparm=2" { target ia32 } } */
       5  
       6  void foo (void *);
       7  
       8  int *
       9  f1 (int *x)
      10  {
      11    if (!--*x)
      12      foo (x);
      13    return x;
      14  }
      15  
      16  int
      17  g1 (int x)
      18  {
      19    if (!--x)
      20      foo ((void *) 0);
      21    return x;
      22  }
      23  
      24  #define F(T, OP, OPN) \
      25  T *			\
      26  f##T##OPN (T *x, T y)	\
      27  {			\
      28    *x OP y;		\
      29    if (!*x)		\
      30      foo (x);		\
      31    return x;		\
      32  }			\
      33  			\
      34  T			\
      35  g##T##OPN (T x, T y)	\
      36  {			\
      37    x OP y;		\
      38    if (!x)		\
      39      foo ((void *) 0);	\
      40    return x;		\
      41  }			\
      42  			\
      43  T *			\
      44  h##T##OPN (T *x)	\
      45  {			\
      46    *x OP 24;		\
      47    if (!*x)		\
      48      foo (x);		\
      49    return x;		\
      50  }			\
      51  			\
      52  T			\
      53  i##T##OPN (T x, T y)	\
      54  {			\
      55    x OP 24;		\
      56    if (!x)		\
      57      foo ((void *) 0);	\
      58    return x;		\
      59  }
      60  
      61  #define G(T) \
      62  F (T, +=, plus)		\
      63  F (T, -=, minus)	\
      64  F (T, &=, and)		\
      65  F (T, |=, or)		\
      66  F (T, ^=, xor)
      67  
      68  G (char)
      69  G (short)
      70  G (int)
      71  G (long)
      72  
      73  /* { dg-final { scan-assembler-not "test\[lq\]" } } */
      74  /* { dg-final { scan-assembler-not "\\(%eax\\), %" { target { ia32 } } } } */
      75  /* { dg-final { scan-assembler-not "\\(%\[re\]di\\), %" { target { ! ia32 } } } } */