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)),
		),
	)
	for i := 0; i < depth; i++ {
		blocs = append(blocs,
			Bloc(blockn(i),
				Valu(ptrn(i), OpAddr, ptrType, 0, nil, "sb"),

// critical splits critical edges (those that go from a block with
// more than one outedge to a block with more than one inedge).
// Regalloc wants a critical-edge-free CFG so it can implement phi values.
func critical(f *Func) {
	// maps from phi arg ID to the new block created for that argument
	blocks := f.Cache.allocBlockSlice(f.NumValues())
	defer f.Cache.freeBlockSlice(blocks)
	// need to iterate over f.Blocks without range, as we might

		if reachable[b.ID] {
			f.Blocks[i] = b
			i++
		} else {
			if len(b.Values) > 0 {
				b.Fatalf("live values in unreachable block %v: %v", b, b.Values)
			}
			f.freeBlock(b)
		}
	}
	// zero remainder to help GC
	tail := f.Blocks[i:]
	for j := range tail {
		tail[j] = nil
	}
	f.Blocks = f.Blocks[:i]
}

// removeEdge removes the i'th outgoing edge from b (and

	"github.com/klauspost/reedsolomon"
)

// getDataBlockLen - get length of data blocks from encoded blocks.
func getDataBlockLen(enBlocks [][]byte, dataBlocks int) int {
	size := 0
	// Figure out the data block length.
	for _, block := range enBlocks[:dataBlocks] {
		size += len(block)
	}
	return size
}

// Writes all the data blocks from encoded blocks until requested
// outSize length. Provides a way to skip bytes until the offset.

				FileName: fn,
				Mode:     mode,
			}
			files[fn] = p
		}
		p.Blocks = append(p.Blocks, b)
	}
	if err := s.Err(); err != nil {
		return nil, err
	}
	for _, p := range files {
		sort.Sort(blocksByStart(p.Blocks))
		// Merge samples from the same location.
		j := 1
		for i := 1; i < len(p.Blocks); i++ {
			b := p.Blocks[i]
			last := p.Blocks[j-1]
			if b.StartLine == last.StartLine &&
				b.StartCol == last.StartCol &&

package aes

import (
	"crypto/cipher"
)

// gcmAble is implemented by cipher.Blocks that can provide an optimized
// implementation of GCM through the AEAD interface.
// See crypto/cipher/gcm.go.
type gcmAble interface {
	NewGCM(nonceSize, tagSize int) (cipher.AEAD, error)
}

// cbcEncAble is implemented by cipher.Blocks that can provide an optimized
// implementation of CBC encryption through the cipher.BlockMode interface.

import (
	"bytes"
)

type Quote struct {
	Position
	Blocks []Block
}

func (b *Quote) PrintHTML(buf *bytes.Buffer) {
	buf.WriteString("<blockquote>\n")
	for _, c := range b.Blocks {
		c.PrintHTML(buf)
	}
	buf.WriteString("</blockquote>\n")
}

func (b *Quote) printMarkdown(buf *bytes.Buffer, s mdState) {
	s.prefix += "> "
	printMarkdownBlocks(b.Blocks, buf, s)
}

func trimQuote(s line) (line, bool) {

	slices.Sort(filenames)
	return filenames, nil
}

// lastBlock returns the last block in the document.
// It panics if the document has no blocks.
func lastBlock(doc *md.Document) md.Block {
	return doc.Blocks[len(doc.Blocks)-1]
}

// addLines adds n lines to the position of b.
// n can be negative.
func addLines(b md.Block, n int) {
	pos := position(b)
	pos.StartLine += n
	pos.EndLine += n
}

package ssa

import "cmd/compile/internal/base"

// tighten moves Values closer to the Blocks in which they are used.
// This can reduce the amount of register spilling required,
// if it doesn't also create more live values.
// A Value can be moved to any block that
// dominates all blocks in which it is used.
func tighten(f *Func) {
	if base.Flag.N != 0 && len(f.Blocks) < 10000 {
		// Skip the optimization in -N mode, except for huge functions.

	xv := c.values[:nv]
	for i := range xv {
		xv[i] = Value{}
	}
	nb := sort.Search(len(c.blocks), func(i int) bool { return c.blocks[i].ID == 0 })
	xb := c.blocks[:nb]
	for i := range xb {
		xb[i] = Block{}
	}
	nl := sort.Search(len(c.locs), func(i int) bool { return c.locs[i] == nil })
	xl := c.locs[:nl]
	for i := range xl {
		xl[i] = nil
	}