}
}

var useQprint = flag.Bool("qprint", false, "Compare against the 'qprint' program.")

var badSoftRx = regexp.MustCompile(`=([^\r\n]+?\n)|([^\r\n]+$)|(\r$)|(\r[^\n]+\n)|( \r\n)`)

func TestExhaustive(t *testing.T) {
	if *useQprint {
		_, err := exec.LookPath("qprint")
		if err != nil {
			t.Fatalf("Error looking for qprint: %v", err)
		}
	}

	var buf strings.Builder

		}
	}()

	// print x
	if x == nil {
		p.printf("nil\n")
		return
	}
	p.print(reflect.ValueOf(x))
	p.printf("\n")

	return
}

// Print prints x to standard output, skipping nil fields.
// Print(fset, x) is the same as Fprint(os.Stdout, fset, x, NotNilFilter).
func Print(fset *token.FileSet, x any) error {
	return Fprint(os.Stdout, fset, x, NotNilFilter)
}

func (p stringFuncPrinter) header(f *Func) {
	fmt.Fprint(p.w, f.Name)
	fmt.Fprint(p.w, " ")
	fmt.Fprintln(p.w, f.Type)
}

func (p stringFuncPrinter) startBlock(b *Block, reachable bool) {
	if !p.printDead && !reachable {
		return
	}
	fmt.Fprintf(p.w, "  b%d:", b.ID)
	if len(b.Preds) > 0 {
		io.WriteString(p.w, " <-")
		for _, e := range b.Preds {
			pred := e.b
			fmt.Fprintf(p.w, " b%d", pred.ID)
		}
	}

	bytes.Buffer           // output buffer
	comment      []Comment // pending end-of-line comments
	margin       int       // left margin (indent), a number of tabs
}

// printf prints to the buffer.
func (p *printer) printf(format string, args ...interface{}) {
	fmt.Fprintf(p, format, args...)
}

// indent returns the position on the current line, in bytes, 0-indexed.
func (p *printer) indent() int {
	b := p.Bytes()
	n := 0

	// See that method's documentation for details.
	DocLinkBaseURL string

	// TextPrefix is a prefix to print at the start of every line
	// when generating text output using the Text method.
	TextPrefix string

	// TextCodePrefix is the prefix to print at the start of each
	// preformatted (code block) line when generating text output,
	// instead of (not in addition to) TextPrefix.

// call print recursively. There is also the problem of a crash
// happening during the print routines and needing to acquire
// the print lock to print information about the crash.
// For both these reasons, let a thread acquire the printlock 'recursively'.

func printlock() {
	mp := getg().m
	mp.locks++ // do not reschedule between printlock++ and lock(&debuglock).
	mp.printlock++
	if mp.printlock == 1 {

// RUN: tf-opt %s --tf-print | FileCheck %s

module {
// Smoke test. We don't expect any modifications of the MLIR.

// CHECK-LABEL: foo
// CHECK: return
func.func @foo(%arg0: tensor<f32>, %arg1: tensor<f32>) -> tensor<f32> {
  return %arg0 : tensor<f32>
}

// lower returns the ASCII lowercase version of b.
func lower(b byte) byte {
	if 'A' <= b && b <= 'Z' {
		return b + ('a' - 'A')
	}
	return b
}

// IsPrint returns whether s is ASCII and printable according to
// https://tools.ietf.org/html/rfc20#section-4.2.
func IsPrint(s string) bool {
	for i := 0; i < len(s); i++ {
		if s[i] < ' ' || s[i] > '~' {
			return false
		}
	}
	return true
}

// run

// Copyright 2014 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.

// Test internal print routines that are generated
// by the print builtin.  This test is not exhaustive,
// we're just checking that the formatting is correct.

package main

func main() {
	println((interface{})(nil)) // printeface
	println((interface {        // printiface

		if len(line) == 0 {
			// No more text to print, just quit.
			break
		}

		for {
			// Save the attributes of the current cursor helps
			// us save the text color of the passed error message
			ansiSaveAttributes()
			// Print banner with or without the log tag
			if !tagPrinted {
				fmt.Fprint(Output, logBanner)
				tagPrinted = true
			} else {
				fmt.Fprint(Output, emptyBanner)
			}