)

// ModFile returns the parsed go.mod file.
//
// Note that after calling LoadPackages or LoadModGraph,
// the require statements in the modfile.File are no longer
// the source of truth and will be ignored: edits made directly
// will be lost at the next call to WriteGoMod.
// To make permanent changes to the require statements
// in go.mod, edit it before loading.
func ModFile() *modfile.File {
	Init()

			// asking cmd/cover for a static meta-data file as part of
			// the package build. This static meta-data file is then
			// consumed by a pseudo-action (writeCoverMetaAct) that
			// adds it to a summary file, then this summary file is
			// consumed by the various "run test" actions. Below we
			// add a dependence edge between the build action and the
			// "write meta files" pseudo-action, and then another dep

		}

		if _, ok := rs.rootSelected(pkg.mod.Path); ok {
			// It is possible that the main module's go.mod file is incomplete or
			// otherwise erroneous — for example, perhaps the author forgot to 'git
			// add' their updated go.mod file after adding a new package import, or
			// perhaps they made an edit to the go.mod file using a third-party tool
			// ('git merge'?) that doesn't maintain consistency for module

	}
	p.rewriteRef(f)
}

// loadDefines coerces gcc into spitting out the #defines in use
// in the file f and saves relevant renamings in f.Name[name].Define.
func (p *Package) loadDefines(f *File) {
	var b bytes.Buffer
	b.WriteString(builtinProlog)
	b.WriteString(f.Preamble)
	stdout := p.gccDefines(b.Bytes())

	for _, line := range strings.Split(stdout, "\n") {

		// that are upgraded above or otherwise missing from the go.mod files of
		// direct dependencies. (For example, the direct dependency might be a very
		// stable codebase that predates modules and thus lacks a go.mod file, or
		// the author of the direct dependency may have forgotten to commit a change
		// to the go.mod file, or may have made an erroneous hand-edit that causes
		// it to be untidy.)
		//

		return !strings.HasPrefix(p, ".") && (!strings.HasPrefix(p, "_") || !strings.HasSuffix(p, ".go"))
	})

	// Add generated files for this package.
	for _, gt := range gentab {
		if gt.pkg == pkg {
			files = append(files, gt.file)
		}
	}
	files = uniq(files)

	// Convert to absolute paths.
	for i, p := range files {
		if !filepath.IsAbs(p) {
			files[i] = pathf("%s/%s", dir, p)

		{"go1.20", "go1.20.1", "go1.20"},     // file upgrade ignored
		{"go1.20.1", "go1.20", "go1.20.1"},   // file upgrade ignored
		{"go1.20.1", "go1.21", "go1.21"},     // file upgrade permitted
		{"go1.20.1", "go1.19", "go1.20.1"},   // file downgrade not permitted
		{"go1.21.1", "go1.19.1", "go1.21.1"}, // file downgrade not permitted (invalid file version)

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ppc64

import (
	"cmd/compile/internal/base"
	"cmd/compile/internal/ir"
	"cmd/compile/internal/logopt"
	"cmd/compile/internal/objw"
	"cmd/compile/internal/ssa"
	"cmd/compile/internal/ssagen"
	"cmd/compile/internal/types"
	"cmd/internal/obj"
	"cmd/internal/obj/ppc64"

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package bytes_test

import (
	. "bytes"
	"fmt"
	"internal/testenv"
	"math"
	"math/rand"
	"reflect"
	"strings"
	"testing"
	"unicode"
	"unicode/utf8"
	"unsafe"
)

func eq(a, b []string) bool {
	if len(a) != len(b) {
		return false
	}

	}
	dir := ""
	for _, file := range strings.Split(tg.stdout.String(), "\n") {
		if file == "" {
			continue
		}
		if dir == "" {
			dir = file
			continue
		}
		if !strings.Contains(file, "/") && !strings.Contains(file, `\`) {
			file = filepath.Join(dir, file)
		}
		if _, err := os.Stat(file); err != nil {