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📁 ..
📄 README(205 B)
📄 abiutils_test.go(14.51 KB)
📄 abiutilsaux_test.go(3.24 KB)
📄 align_test.go(1.57 KB)
📄 bench_test.go(2.08 KB)
📄 clobberdead_test.go(1.25 KB)
📄 constFold_test.go(322.99 KB)
📄 dep_test.go(858 B)
📄 divconst_test.go(7.74 KB)
📄 fixedbugs_test.go(2.24 KB)
📄 float_test.go(12.48 KB)
📄 global_test.go(2.59 KB)
📄 iface_test.go(1.92 KB)
📄 inl_test.go(8.19 KB)
📄 inst_test.go(2.21 KB)
📄 intrinsics_test.go(1.08 KB)
📄 issue50182_test.go(1.24 KB)
📄 lang_test.go(1.47 KB)
📄 logic_test.go(11.08 KB)
📄 mulconst_test.go(4.29 KB)
📄 race.go(1.33 KB)
📄 reproduciblebuilds_test.go(2.9 KB)
📄 shift_test.go(21.62 KB)
📄 ssa_test.go(5.12 KB)
📄 switch_test.go(2.29 KB)
📄 test.go(13 B)
📁 testdata
📄 truncconst_test.go(1.76 KB)
📄 zerorange_test.go(4.06 KB)

Editing: clobberdead_test.go

// Copyright 2021 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 test

import (
	"internal/testenv"
	"io/ioutil"
	"os/exec"
	"path/filepath"
	"testing"
)

const helloSrc = `
package main
import "fmt"
func main() { fmt.Println("hello") }
`

func TestClobberDead(t *testing.T) {
	// Test that clobberdead mode generates correct program.
	runHello(t, "-clobberdead")
}

func TestClobberDeadReg(t *testing.T) {
	// Test that clobberdeadreg mode generates correct program.
	runHello(t, "-clobberdeadreg")
}

func runHello(t *testing.T, flag string) {
	if testing.Short() {
		// This test rebuilds the runtime with a special flag, which
		// takes a while.
		t.Skip("skip in short mode")
	}
	testenv.MustHaveGoRun(t)
	t.Parallel()

tmpdir := t.TempDir()
	src := filepath.Join(tmpdir, "x.go")
	err := ioutil.WriteFile(src, []byte(helloSrc), 0644)
	if err != nil {
		t.Fatalf("write file failed: %v", err)
	}

cmd := exec.Command(testenv.GoToolPath(t), "run", "-gcflags=all="+flag, src)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("go run failed: %v\n%s", err, out)
	}
	if string(out) != "hello\n" {
		t.Errorf("wrong output: got %q, want %q", out, "hello\n")
	}
}

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Editing: clobberdead_test.go

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