for _, v := range entries {
			if f.pass.stats > 1 {
				f.LogStat("file", v.f, "low", v.lp.first, "high", v.lp.last)
			}
			total += uint64(v.lp.last - v.lp.first)
			if maxfile < v.f {
				maxfile = v.f
			}
			if minline > v.lp.first {
				minline = v.lp.first
			}
			if maxline < v.lp.last {
				maxline = v.lp.last
			}
		}

			time := tEnd.Sub(tStart).Nanoseconds()
			if p.time {
				f.LogStat("TIME(ns)", time)
			}
			if p.mem {
				var mEnd runtime.MemStats
				runtime.ReadMemStats(&mEnd)
				nBytes := mEnd.TotalAlloc - mStart.TotalAlloc
				nAllocs := mEnd.Mallocs - mStart.Mallocs
				f.LogStat("TIME(ns):BYTES:ALLOCS", time, nBytes, nAllocs)
			}
		}
		if p.dump != nil && p.dump[f.Name] {

					// them appropriately, so don't mess with them here.
					continue
				}
				b.ReplaceControl(i, x)
			}
		}
	}

	if f.pass.stats > 0 {
		f.LogStat("CSE REWRITES", rewrites)
	}
}

// An eqclass approximates an equivalence class. During the
// algorithm it may represent the union of several of the
// final equivalence classes.
type eqclass []*Value

		fmt.Println("before stackalloc")
		fmt.Println(f.String())
	}
	s := newStackAllocState(f)
	s.init(f, spillLive)
	defer putStackAllocState(s)

	s.stackalloc()
	if f.pass.stats > 0 {
		f.LogStat("stack_alloc_stats",
			s.nArgSlot, "arg_slots", s.nNotNeed, "slot_not_needed",
			s.nNamedSlot, "named_slots", s.nAuto, "auto_slots",
			s.nReuse, "reused_slots", s.nSelfInterfere, "self_interfering")
	}

	return s.live

	v.Pos = pos
	return v
}

// LogStat writes a string key and int value as a warning in a
// tab-separated format easily handled by spreadsheets or awk.
// file names, lines, and function names are included to provide enough (?)
// context to allow item-by-item comparisons across runs.
// For example:
// awk 'BEGIN {FS="\t"} $3~/TIME/{sum+=$4} END{print "t(ns)=",sum}' t.log
func (f *Func) LogStat(key string, args ...interface{}) {

		for _, l := range loops {
			x := len(l.exits)
			cf := 0
			if !l.containsUnavoidableCall {
				cf = 1
			}
			inner := 0
			if l.isInner {
				inner++
			}

			f.LogStat("loopstats:",
				l.depth, "depth", x, "exits",
				inner, "is_inner", cf, "always_calls", l.nBlocks, "n_blocks")
		}
	}

	if f.pass != nil && f.pass.debug > 1 && len(loops) > 0 {