return v.Addr()
}

// functions returning pointer as uintptr have to escape.
func uintptr1(x *int) uintptr { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x)
	return v.Pointer()
}

func unsafeaddr(x *int) uintptr { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x).Elem()
	return v.UnsafeAddr()
}

func ifacedata(x any) [2]uintptr { // ERROR "moved to heap: x"
	v := reflect.ValueOf(&x).Elem()

	return atomic.Casuintptr((*uintptr)(unsafe.Pointer(gp)), uintptr(old), uintptr(new))
}

//go:nosplit
func (gp *g) guintptr() guintptr {
	return guintptr(unsafe.Pointer(gp))
}

// setGNoWB performs *gp = new without a write barrier.
// For times when it's impractical to use a guintptr.
//
//go:nosplit
//go:nowritebarrier
func setGNoWB(gp **g, new *g) {

			"(*Uint32).Swap",
			"(*Uint64).Add",
			"(*Uint64).CompareAndSwap",
			"(*Uint64).Load",
			"(*Uint64).Store",
			"(*Uint64).Swap",
			"(*Uintptr).Add",
			"(*Uintptr).CompareAndSwap",
			"(*Uintptr).Load",
			"(*Uintptr).Store",
			"(*Uintptr).Swap",
			"(*Pointer[go.shape.int]).CompareAndSwap",
			"(*Pointer[go.shape.int]).Load",
			"(*Pointer[go.shape.int]).Store",
			"(*Pointer[go.shape.int]).Swap",

int pwrite64(int, uintptr_t, size_t, long long);
#define c_select select
int select(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
int pselect(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
int setregid(int, int);
int setreuid(int, int);
int shutdown(int, int);
long long splice(int, uintptr_t, int, uintptr_t, int, int);
int stat(uintptr_t, uintptr_t);
int statfs(uintptr_t, uintptr_t);
int truncate(uintptr_t, long long);

int pwrite64(int, uintptr_t, size_t, long long);
#define c_select select
int select(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
int pselect(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
int setregid(int, int);
int setreuid(int, int);
int shutdown(int, int);
long long splice(int, uintptr_t, int, uintptr_t, int, int);
int stat(uintptr_t, uintptr_t);
int statfs(uintptr_t, uintptr_t);
int truncate(uintptr_t, long long);

var cbFuncs = []cbFunc{
	{func(i1, i2 uintptr) uintptr {
		return i1 + i2
	}},
	{func(i1, i2, i3 uintptr) uintptr {
		return i1 + i2 + i3
	}},
	{func(i1, i2, i3, i4 uintptr) uintptr {
		return i1 + i2 + i3 + i4
	}},
	{func(i1, i2, i3, i4, i5 uintptr) uintptr {
		return i1 + i2 + i3 + i4 + i5
	}},
	{func(i1, i2, i3, i4, i5, i6 uintptr) uintptr {
		return i1 + i2 + i3 + i4 + i5 + i6
	}},

	t.UInt = types.Types[types.TUINT]
	t.Uintptr = types.Types[types.TUINTPTR]
	t.String = types.Types[types.TSTRING]
	t.BytePtr = types.NewPtr(types.Types[types.TUINT8])
	t.Int32Ptr = types.NewPtr(types.Types[types.TINT32])
	t.UInt32Ptr = types.NewPtr(types.Types[types.TUINT32])
	t.IntPtr = types.NewPtr(types.Types[types.TINT])
	t.UintptrPtr = types.NewPtr(types.Types[types.TUINTPTR])

	// cond: t.IsInterface()
	// result: @x.Block (Load <typ.Uintptr> ptr mem)
	for {
		x := v_0
		if x.Op != OpLoad {
			break
		}
		t := x.Type
		mem := x.Args[1]
		ptr := x.Args[0]
		if !(t.IsInterface()) {
			break
		}
		b = x.Block
		v0 := b.NewValue0(v.Pos, OpLoad, typ.Uintptr)
		v.copyOf(v0)
		v0.AddArg2(ptr, mem)
		return true
	}
	return false
}

//	}
//
// (2) Conversion of a Pointer to a uintptr (but not back to Pointer).
//
// Converting a Pointer to a uintptr produces the memory address of the value
// pointed at, as an integer. The usual use for such a uintptr is to print it.
//
// Conversion of a uintptr back to Pointer is not valid in general.
//
// A uintptr is an integer, not a reference.
// Converting a Pointer to a uintptr creates an integer value

		// with same elem.Width for the from slice.
		size := ir.NewBinaryExpr(base.Pos, ir.OMUL, typecheck.Conv(length, types.Types[types.TUINTPTR]), typecheck.Conv(ir.NewInt(base.Pos, t.Elem().Size()), types.Types[types.TUINTPTR]))

		// instantiate mallocgc(size uintptr, typ *byte, needszero bool) unsafe.Pointer
		fn := typecheck.LookupRuntime("mallocgc")