package ssa

import (
	"internal/unsafeheader"
	"math/bits"
	"sync"
	"unsafe"
)

var poolFreeValueSlice [27]sync.Pool

func (c *Cache) allocValueSlice(n int) []*Value {
	var s []*Value
	n2 := n
	if n2 < 32 {
		n2 = 32
	}
	b := bits.Len(uint(n2 - 1))
	v := poolFreeValueSlice[b-5].Get()
	if v == nil {
		s = make([]*Value, 1<<b)
	} else {
		sp := v.(*[]*Value)
		s = *sp
		*sp = nil