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go/test/escape_level.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

109 lines
2.9 KiB
Go

// errorcheck -0 -m -l
// Copyright 2015 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 indirection level computation in escape analysis.
package escape
var sink interface{}
func level0() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0" "&i escapes to heap"
p1 := &p0 // ERROR "moved to heap: p1" "&p0 escapes to heap"
p2 := &p1 // ERROR "moved to heap: p2" "&p1 escapes to heap"
sink = &p2 // ERROR "&p2 escapes to heap"
}
func level1() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0" "&i escapes to heap"
p1 := &p0 // ERROR "moved to heap: p1" "&p0 escapes to heap"
p2 := &p1 // ERROR "&p1 escapes to heap"
sink = p2 // ERROR "p2 escapes to heap"
}
func level2() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0" "&i escapes to heap"
p1 := &p0 // ERROR "&p0 escapes to heap"
p2 := &p1 // ERROR "&p1 does not escape"
sink = *p2 // ERROR "\*p2 escapes to heap"
}
func level3() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "&i escapes to heap"
p1 := &p0 // ERROR "&p0 does not escape"
p2 := &p1 // ERROR "&p1 does not escape"
sink = **p2 // ERROR "\* \(\*p2\) escapes to heap"
}
func level4() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0" "&i escapes to heap"
p1 := &p0 // ERROR "&p0 escapes to heap"
p2 := p1 // ERROR "moved to heap: p2"
sink = &p2 // ERROR "&p2 escapes to heap"
}
func level5() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0" "&i escapes to heap"
p1 := &p0 // ERROR "&p0 escapes to heap"
p2 := p1
sink = p2 // ERROR "p2 escapes to heap"
}
func level6() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "&i escapes to heap"
p1 := &p0 // ERROR "&p0 does not escape"
p2 := p1
sink = *p2 // ERROR "\*p2 escapes to heap"
}
func level7() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "&i escapes to heap"
p1 := &p0 // ERROR "&p0 does not escape"
// note *p1 == &i
p2 := *p1 // ERROR "moved to heap: p2"
sink = &p2 // ERROR "&p2 escapes to heap"
}
func level8() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "&i escapes to heap"
p1 := &p0 // ERROR "&p0 does not escape"
p2 := *p1
sink = p2 // ERROR "p2 escapes to heap"
}
func level9() {
i := 0
p0 := &i // ERROR "&i does not escape"
p1 := &p0 // ERROR "&p0 does not escape"
p2 := *p1
sink = *p2 // ERROR "\*p2 escapes to heap"
}
func level10() {
i := 0
p0 := &i // ERROR "&i does not escape"
p1 := *p0
p2 := &p1 // ERROR "&p1 does not escape"
sink = *p2 // ERROR "\*p2 escapes to heap"
}
func level11() {
i := 0
p0 := &i // ERROR "&i does not escape"
p1 := &p0 // ERROR "&p0 does not escape"
p2 := **p1 // ERROR "moved to heap: p2"
sink = &p2 // ERROR "&p2 escapes to heap"
}