c.initBlock = append(c.initBlock, leftEncode(uint64(len(S)*8))...)
	c.initBlock = append(c.initBlock, S...)
	c.Write(bytepad(c.initBlock, c.rate))
	return &c
}

// Reset resets the hash to initial state.
func (c *cshakeState) Reset() {
	c.state.Reset()
	c.Write(bytepad(c.initBlock, c.rate))
}

// Clone returns copy of a cSHAKE context within its current state.
func (c *cshakeState) Clone() ShakeHash {

//
//go:nosplit
func (p *pinnerBits) ofObject(n uintptr) pinState {
	bytep, mask := (*gcBits)(p).bitp(n * 2)
	byteVal := atomic.Load8(bytep)
	return pinState{bytep, byteVal, mask}
}

func (s *mspan) pinnerBitSize() uintptr {
	return divRoundUp(uintptr(s.nelems)*2, 8)
}

// newPinnerBits returns a pointer to 8 byte aligned bytes to be used for this

	// hash length is fixed at 64 bits until generic support is added
	const hashLen = 64
	byteVal := []byte(val)
	if len(byteVal) < hashLen/8 {
		// zero fill the left side of the slice
		zerofill := make([]byte, hashLen/8)
		byteVal = append(zerofill[:hashLen/8-len(byteVal)], byteVal...)
	}
	return byteVal[:hashLen/8]

		m33[byteptr()] == 0 { // ERROR "stack object .autotmp_[0-9]+ interface \{\}"
		printnl()
		return
	}
	printnl()
}

func f36() {
	if m33[byteptr()] == 0 || // ERROR "stack object .autotmp_[0-9]+ interface \{\}"
		m33[byteptr()] == 0 { // ERROR "stack object .autotmp_[0-9]+ interface \{\}"
		printnl()
		return
	}
	printnl()
}

func f37() {

(StringLen (StringMake _ len)) => len

(Load <t> ptr mem) && t.IsString() =>
  (StringMake
    (Load <typ.BytePtr> ptr mem)
    (Load <typ.Int>
      (OffPtr <typ.IntPtr> [config.PtrSize] ptr)
      mem))
(Store dst (StringMake ptr len) mem) =>
  (Store {typ.Int}
    (OffPtr <typ.IntPtr> [config.PtrSize] dst)
    len
    (Store {typ.BytePtr} dst ptr mem))

// slice ops
(SlicePtr (SliceMake ptr _ _ )) => ptr

	"testing"
)

func TestWriteBarrierStoreOrder(t *testing.T) {
	// Make sure writebarrier phase works even StoreWB ops are not in dependency order
	c := testConfig(t)
	ptrType := c.config.Types.BytePtr
	fun := c.Fun("entry",
		Bloc("entry",
			Valu("start", OpInitMem, types.TypeMem, 0, nil),
			Valu("sb", OpSB, c.config.Types.Uintptr, 0, nil),
			Valu("sp", OpSP, c.config.Types.Uintptr, 0, nil),

// nil checks, none of which can be eliminated.
// Run with multiple depths to observe big-O behavior.
func benchmarkNilCheckDeep(b *testing.B, depth int) {
	c := testConfig(b)
	ptrType := c.config.Types.BytePtr

	var blocs []bloc
	blocs = append(blocs,
		Bloc("entry",
			Valu("mem", OpInitMem, types.TypeMem, 0, nil),
			Valu("sb", OpSB, c.config.Types.Uintptr, 0, nil),
			Goto(blockn(0)),
		),
	)

func (r *Reader) uint32At(off uint32) uint32 {
	b := r.BytesAt(off, 4)
	return binary.LittleEndian.Uint32(b)
}

func (r *Reader) int32At(off uint32) int32 {
	return int32(r.uint32At(off))
}

func (r *Reader) uint16At(off uint32) uint16 {
	b := r.BytesAt(off, 2)
	return binary.LittleEndian.Uint16(b)
}

func (r *Reader) uint8At(off uint32) uint8 {
	b := r.BytesAt(off, 1)
	return b[0]
}

		m33[byteptr()] == 0 { // ERROR "stack object .autotmp_[0-9]+ interface \{\}"
		printnl()
		return
	}
	printnl()
}

func f36() {
	if m33[byteptr()] == 0 || // ERROR "stack object .autotmp_[0-9]+ interface \{\}"
		m33[byteptr()] == 0 { // ERROR "stack object .autotmp_[0-9]+ interface \{\}"
		printnl()
		return
	}
	printnl()
}

func f37() {

	// cond: t.IsInterface()
	// result: @x.Block (Load <typ.BytePtr> (OffPtr <typ.BytePtrPtr> [config.PtrSize] 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.BytePtr)
		v.copyOf(v0)
		v1 := b.NewValue0(v.Pos, OpOffPtr, typ.BytePtrPtr)