ssa-dse-10.c

用于进行gcc测试

/* { dg-do compile } */
/* { dg-options "-O -w -fdump-tree-dse-vops" } */

typedef unsigned int size_t;
typedef struct _IO_FILE FILE;
typedef struct
{
} __mbstate_t;
typedef struct
{
} _G_fpos_t;
typedef struct
{
};
typedef int (*__gconv_trans_fct) (struct __gconv_step *,
      size_t *);
typedef int (*__gconv_trans_context_fct) (void *, __const unsigned char *,
     size_t *);
struct __gconv_trans_data
{
};
struct __gconv_step_data
{
};
typedef struct __gconv_info
{
} *__gconv_t;
typedef union
{
  struct
  {
  } __combined;
} _G_iconv_t;
typedef __builtin_va_list __gnuc_va_list;
enum __codecvt_result
{
  __codecvt_noconv
};
struct _IO_FILE {
};
vprintf (__const char *__restrict __fmt, __gnuc_va_list __arg)
{
}
putchar (int __c)
{
}
fputc_unlocked (int __c, FILE *__stream)
{
}
putc_unlocked (int __c, FILE *__stream)
{
}
__attribute__ ((__nothrow__)) ferror_unlocked (FILE *__stream)
{
}
extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen,
     __gnuc_va_list __ap);
gets (char *__str)
{
}
extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n,
     FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
{
}
typedef void *LPVOID;
typedef int BOOL, *PBOOL, *LPBOOL;
typedef unsigned char BYTE, *PBYTE, *LPBYTE;
typedef unsigned short WORD, *PWORD, *LPWORD;
typedef unsigned int DWORD, *PDWORD, *LPDWORD;
typedef struct _GUID
{
} GUID;
enum
{
  _ISupper = ((0) < 8 ? ((1 << (0)) << 8) : ((1 << (0)) >> 8)),
};
extern char *__strtok_r (char *__restrict __s,
    __const char *__restrict __delim,
         char **__restrict __save_ptr)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (2, 3)));
__strcspn_c3 (__const char *__s, int __reject1, int __reject2,
       int __reject3)
{
}
extern __inline size_t __strspn_c3 (__const char *__s, int __accept1,
        int __accept2, int __accept3);
extern __inline size_t
__strspn_c3 (__const char *__s, int __accept1, int __accept2, int __accept3)
{
}
extern __inline char *__strpbrk_c2 (__const char *__s, int __accept1,
         int __accept2);
extern __inline char *
__strpbrk_c2 (__const char *__s, int __accept1, int __accept2)
{
}
extern __inline char *__strpbrk_c3 (__const char *__s, int __accept1,
       int __accept3)
{
}
__strtok_r_1c (char *__s, char __sep, char **__nextp)
{
    {
   {
   }
    }
}
__strsep_1c (char **__s, char __reject)
{
}
__strsep_2c (char **__s, char __reject1, char __reject2)
{
    {
 {
 }
    }
}
extern __inline char *__strsep_3c (char **__s, char __reject1, char __reject2,
       char __reject3);
extern __inline char *
__strsep_3c (char **__s, char __reject1, char __reject2, char __reject3)
{
    {
 {
     {
     }
 }
    }
}
__attribute__ ((__nothrow__)) __memcpy_ichk (void *__restrict __dest, __const void *__restrict __src, size_t __len)
{
}
__attribute__ ((__nothrow__)) __memmove_ichk (void *__dest, __const void *__src, size_t __len)
{
}
__attribute__ ((__nothrow__)) __strncpy_ichk (char *__restrict __dest, __const char *__restrict __src, size_t __len)
{
}
__attribute__ ((__nothrow__)) stpncpy (char *__dest, __const char *__src, size_t __n)
{
  if (__builtin_object_size (__dest, 2 > 1) != (size_t) -1
      && (!__builtin_constant_p (__n) || __n <= __builtin_object_size (__dest, 2 > 1)))
    return __stpncpy_chk (__dest, __src, __n, __builtin_object_size (__dest, 2 > 1));
}
__attribute__ ((__nothrow__)) __strncat_ichk (char *__restrict __dest, __const char *__restrict __src, size_t __len)
{
}
typedef void *PVOID;
typedef char CHAR, *PCHAR;
typedef int LONG, *PLONG;
typedef unsigned short WCHAR, *PWCHAR;
typedef CHAR *PSTR, *LPSTR, *NPSTR;
typedef const CHAR *PCSTR, *LPCSTR;
typedef WCHAR *PWSTR, *LPWSTR, *NWPSTR;
typedef LONG HRESULT;
typedef struct _MEMORY_BASIC_INFORMATION
{
} SINGLE_LIST_ENTRY, *PSINGLE_LIST_ENTRY;
typedef enum _HEAP_INFORMATION_CLASS {
    HeapCompatibilityInformation,
} HEAP_INFORMATION_CLASS;
typedef struct _FLOATING_SAVE_AREA
{
} CONTEXT86;
typedef struct _LDT_ENTRY {
    union {
        struct {
        } Bits;
    } HighWord;
} LDT_ENTRY, *PLDT_ENTRY;
typedef struct _EXCEPTION_RECORD
{
} EXCEPTION_RECORD, *PEXCEPTION_RECORD;
typedef struct _EXCEPTION_POINTERS
{
} EXCEPTION_POINTERS, *PEXCEPTION_POINTERS;
typedef struct _NT_TIB
{
 union {
 } ;
} NT_TIB, *PNT_TIB;
extern inline struct _TEB * __attribute__((__stdcall__)) NtCurrentTeb(void)
{
} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER;
typedef struct _IMAGE_SYMBOL {
    union {
        struct {
        } FcnAry;
    } Section;
} IMAGE_AUX_SYMBOL;
typedef struct _IMAGE_EXPORT_DIRECTORY {
 union {
 } u1;
} IMAGE_BOUND_FORWARDER_REF, *PIMAGE_BOUND_FORWARDER_REF;
typedef struct _IMAGE_BASE_RELOCATION
{
} IMAGE_BASE_RELOCATION,*PIMAGE_BASE_RELOCATION;
typedef struct _IMAGE_RELOCATION
{
    union {
    } ;
} IMAGE_RELOCATION, *PIMAGE_RELOCATION;
typedef struct _IMAGE_ARCHIVE_MEMBER_HEADER
{
} IMAGE_RESOURCE_DIRECTORY,*PIMAGE_RESOURCE_DIRECTORY;
typedef struct _IMAGE_RESOURCE_DIRECTORY_ENTRY {
 union {
  struct {
  } ;
                struct {
  } ;
 } ;
} IMAGE_DEBUG_DIRECTORY, *PIMAGE_DEBUG_DIRECTORY;
typedef enum ReplacesCorHdrNumericDefines
{
    MAX_PACKAGE_NAME = 1024,
} ReplacesCorHdrNumericDefines;
typedef struct IMAGE_COR20_HEADER
{
} MESSAGE_RESOURCE_DATA,*PMESSAGE_RESOURCE_DATA;
typedef PVOID PSECURITY_DESCRIPTOR;
typedef enum _TOKEN_INFORMATION_CLASS {
  TokenUser = 1,
} TOKEN_INFORMATION_CLASS;
typedef struct _GENERIC_MAPPING {
} ACL, *PACL;
typedef struct _ACL_SIZE_INFORMATION
{
} ACL_SIZE_INFORMATION, *PACL_SIZE_INFORMATION;
typedef WORD SECURITY_DESCRIPTOR_CONTROL, *PSECURITY_DESCRIPTOR_CONTROL;
typedef struct {
} SID_AND_ATTRIBUTES;
typedef enum {
    WinBuiltinTerminalServerLicenseServersSid = 60
} WELL_KNOWN_SID_TYPE;
typedef struct _TOKEN_USER {
} TOKEN_GROUPS, *PTOKEN_GROUPS;
typedef union _LARGE_INTEGER {
    struct {
    };
} LARGE_INTEGER, *PLARGE_INTEGER;
typedef union _ULARGE_INTEGER {
    struct {
    };
} LUID, *PLUID;
typedef struct _LUID_AND_ATTRIBUTES {
} LUID_AND_ATTRIBUTES, *PLUID_AND_ATTRIBUTES;
typedef enum tagTOKEN_TYPE {
  TokenPrimary = 1,
} SECURITY_IMPERSONATION_LEVEL, *PSECURITY_IMPERSONATION_LEVEL;
typedef struct _SECURITY_QUALITY_OF_SERVICE {
} QUOTA_LIMITS_EX, *PQUOTA_LIMITS_EX;
typedef enum _LATENCY_TIME {
        VerifyProcessorPowerPolicyDc,
} POWER_INFORMATION_LEVEL;
typedef struct _ADMINISTRATOR_POWER_POLICY {
} RTL_CRITICAL_SECTION_DEBUG, *PRTL_CRITICAL_SECTION_DEBUG, RTL_RESOURCE_DEBUG, *PRTL_RESOURCE_DEBUG;
typedef struct _RTL_CRITICAL_SECTION {
} RTL_CRITICAL_SECTION, *PRTL_CRITICAL_SECTION;
typedef struct _IO_COUNTERS {
} OSVERSIONINFOA, *POSVERSIONINFOA, *LPOSVERSIONINFOA;
typedef struct {
} OSVERSIONINFOW, *POSVERSIONINFOW, *LPOSVERSIONINFOW, RTL_OSVERSIONINFOW, *PRTL_OSVERSIONINFOW;
typedef struct {
} OSVERSIONINFOEXA, *POSVERSIONINFOEXA, *LPOSVERSIONINFOEXA;
typedef struct {
} OSVERSIONINFOEXW, *POSVERSIONINFOEXW, *LPOSVERSIONINFOEXW, RTL_OSVERSIONINFOEXW, *PRTL_OSVERSIONINFOEXW;
typedef struct tagSIZE
{
} POINT, *PPOINT, *LPPOINT;
typedef struct _POINTL
{
} FILETIME, *PFILETIME, *LPFILETIME;
typedef struct tagRECT
{
  } ldiv_t;
extern double strtod (__const char *__restrict __nptr,
        char **__restrict __endptr)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
extern long int strtol (__const char *__restrict __nptr,
   char **__restrict __endptr, int __base)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
extern long int __strtol_internal (__const char *__restrict __nptr,
       int __base, int __group)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
extern unsigned long int __strtoul_internal (__const char *__restrict __nptr,
          int __base, int __group)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
extern __inline double
__attribute__ ((__nothrow__)) strtod (__const char *__restrict __nptr, char **__restrict __endptr)
{
}
extern __inline long int
__attribute__ ((__nothrow__)) strtol (__const char *__restrict __nptr, char **__restrict __endptr, int __base)
{
}
__attribute__ ((__nothrow__)) strtoll (__const char *__restrict __nptr, char **__restrict __endptr, int __base)
{
}
__attribute__ ((__nothrow__)) atoi (__const char *__nptr)