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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-pre-stats" } */

#define REGISTER register

#if defined __arm__

# define REG1 asm("r4")

#elif defined __i386__

# define REG1 asm("ebx")

#elif defined __mips__

# define REG1 asm("s0")

#elif defined __x86_64__

# define REG1 asm("rbp")

#else

# undef REGISTER

# define REGISTER

# define REG1

#endif

REGISTER long data_0 REG1;

long data_3;

long foo(long data, long v)

{

        long i;

        long t, u;

        if (data)

                i = data_0 + data_3;

        else {

                v = 2;

                i = 5;

        }

        t = data_0 + data_3;

        u = i;

        return v * t * u;

}

/* We should not eliminate global register variable when it is the RHS of

   a single assignment.  */

/* { dg-final { scan-tree-dump-times "Eliminated: 2" 1 "pre" { target { arm-*-* i?86-*-* mips*-*-* x86_64-*-* } } } } */

/* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "pre" { target { ! { arm-*-* i?86-*-* mips*-*-* x86_64-*-* } } } } } */

/* { dg-final { cleanup-tree-dump "pre" } } */