b[i] = BlockDebug{}
		}
	}

	// A list of slots per Value. Reuse the previous child slices.
	if cap(state.valueNames) < f.NumValues() {
		old := state.valueNames
		state.valueNames = make([][]SlotID, f.NumValues())
		copy(state.valueNames, old)
	}
	vn := state.valueNames[:f.NumValues()]
	for i := range vn {
		vn[i] = vn[i][:0]
	}

	// Slot and register contents for currentState. Cleared by reset().

func (lv *liveness) markUnsafePoints() {
	if IsUnsafe(lv.f) {
		// No complex analysis necessary.
		lv.allUnsafe = true
		return
	}

	lv.unsafePoints = bitvec.New(int32(lv.f.NumValues()))
	lv.unsafeBlocks = bitvec.New(int32(lv.f.NumBlocks()))

	// Mark architecture-specific unsafe points.
	for _, b := range lv.f.Blocks {
		for _, v := range b.Values {
			if v.Op.UnsafePoint() {

	if gatherPrintInfo {
		progToValue = make(map[*obj.Prog]*ssa.Value, f.NumValues())
		progToBlock = make(map[*obj.Prog]*ssa.Block, f.NumBlocks())
		f.Logf("genssa %s\n", f.Name)
		progToBlock[s.pp.Next] = f.Blocks[0]
	}

	if base.Ctxt.Flag_locationlists {
		if cap(f.Cache.ValueToProgAfter) < f.NumValues() {
			f.Cache.ValueToProgAfter = make([]*obj.Prog, f.NumValues())
		}

getApproximatePercentile(percent){if(percent<0||percent>1){throw new Error('percent must be in [0,1]');}
if(this.numValues===0)return undefined;if(this.allBins.length===1){const sortedSampleValues=this.sampleValues.slice().sort((x,y)=>x-y);return sortedSampleValues[Math.floor((sortedSampleValues.length-1)*percent)];}