b.ResetTimer()
	for i := 0; i < passCount; i++ {
		fn(fun.f)
	}
	b.StopTimer()
}

func genFunction(size int) []bloc {
	var blocs []bloc
	elemType := types.Types[types.TINT64]
	ptrType := elemType.PtrTo()

	valn := func(s string, m, n int) string { return fmt.Sprintf("%s%d-%d", s, m, n) }
	blocs = append(blocs,
		Bloc("entry",
			Valu(valn("store", 0, 4), OpInitMem, types.TypeMem, 0, nil),

		addEntry := func(pos src.XPos, v *Value) {
			if curCall == nil || curCall.AuxInt == maxEntries {
				t := types.NewTuple(types.Types[types.TUINTPTR].PtrTo(), types.TypeMem)
				curCall = bThen.NewValue1(pos, OpWB, t, memThen)
				curPtr = bThen.NewValue1(pos, OpSelect0, types.Types[types.TUINTPTR].PtrTo(), curCall)
				memThen = bThen.NewValue1(pos, OpSelect1, types.TypeMem, curCall)
			}
			// Store value in write buffer
			num := curCall.AuxInt

 func (t <type 39>) NumIn () <type -11>;
 func (t <type 39>) NumOut () <type -11>;
 func (t <type 39>) Out (i <type -11>) <type 26>;
 func (t <type 39>) .reflect.runtimeType () <type 21>;
 func (ct <type 39>) .reflect.ptrTo () <type 39>;
 func (t <type 39>) Implements (u <type 26>) <type -15>;
 func (t <type 39>) AssignableTo (u <type 26>) <type -15>;
>>; .reflect.val <type 7>; ? <type 42 ".reflect.flag" <type -13>

	}

	// Unwrap pointers, but track their use.
	isPtr := false
	if typeDesc.Kind() == reflect.Pointer {
		tk := typeDesc
		typeDesc = typeDesc.Elem()
		if typeDesc.Kind() == reflect.Pointer {
			return nil, fmt.Errorf("unsupported type conversion to '%v'", tk)
		}
		isPtr = true
	}

	if typeDesc.Kind() == reflect.Map {
		keyType := typeDesc.Key()

		base.Fatalf("backingArrayPtrLen not cheap: %v", n)
	}
	ptr = ir.NewUnaryExpr(base.Pos, ir.OSPTR, n)
	if n.Type().IsString() {
		ptr.SetType(types.Types[types.TUINT8].PtrTo())
	} else {
		ptr.SetType(n.Type().Elem().PtrTo())
	}
	ptr.SetTypecheck(1)
	length = ir.NewUnaryExpr(base.Pos, ir.OLEN, n)
	length.SetType(types.Types[types.TINT])
	length.SetTypecheck(1)
	return ptr, length
}

(Store {t} dst (Int64Make hi lo) mem) && t.Size() == 8 && !config.BigEndian =>
	(Store {hi.Type}
		(OffPtr <hi.Type.PtrTo()> [4] dst)
		hi
		(Store {lo.Type} dst lo mem))

(Store {t} dst (Int64Make hi lo) mem) && t.Size() == 8 && config.BigEndian =>
	(Store {lo.Type}
		(OffPtr <lo.Type.PtrTo()> [4] dst)
		lo
		(Store {hi.Type} dst hi mem))

	(MOVDload  [off1+off2] {mergeSym(sym1,sym2)} base mem)
(MOVWZload  [off1] {sym1} (MOVDaddr <t> [off2] {sym2} base) mem) && is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || (t.IsPtr() && t.Elem().Alignment()%4 == 0 && (off1+off2)%4 == 0)) =>

	// pointer bitmap for arguments.
	inRegPtrs := abi.IntArgRegBitmap{}

	// Compute abiSeq for input parameters.
	var in abiSeq
	if rcvr != nil {
		stkStep, isPtr := in.addRcvr(rcvr)
		if stkStep != nil {
			if isPtr {
				stackPtrs.append(1)
			} else {
				stackPtrs.append(0)
			}
		} else {
			spill += goarch.PtrSize
		}
	}
	for i, arg := range t.InSlice() {

var ptrMap sync.Map // map[*rtype]*ptrType

// PtrTo returns the pointer type with element t.
// For example, if t represents type Foo, PtrTo(t) represents *Foo.
//
// PtrTo is the old spelling of [PointerTo].
// The two functions behave identically.
//
// Deprecated: Superseded by [PointerTo].
func PtrTo(t Type) Type { return PointerTo(t) }

	// Get interface descriptor word.
	// For empty interfaces this will be the type.
	// For non-empty interfaces this will be the itab.
	srcItab := ir.NewUnaryExpr(base.Pos, ir.OITAB, s.srcName)
	srcData := ir.NewUnaryExpr(base.Pos, ir.OIDATA, s.srcName)
	srcData.SetType(types.Types[types.TUINT8].PtrTo())
	srcData.SetTypecheck(1)

	// For empty interfaces, do: