blob: c94bc148c81f5dc0c0e9058cd44c4569eeeae47b [file] [log] [blame]
// errorcheck -0 -m -live
// 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.
// Test escape analysis and liveness inferred for uintptrescapes functions.
package p
import (
func F1(a uintptr) {} // ERROR "escaping uintptr"
func F2(a ...uintptr) {} // ERROR "escaping ...uintptr" "a does not escape"
func F3(uintptr) {} // ERROR "escaping uintptr"
func F4(...uintptr) {} // ERROR "escaping ...uintptr"
func G() {
var t int // ERROR "moved to heap"
F1(uintptr(unsafe.Pointer(&t))) // ERROR "live at call to F1: .?autotmp" "&t escapes to heap"
var t2 int // ERROR "moved to heap"
F3(uintptr(unsafe.Pointer(&t2))) // ERROR "live at call to F3: .?autotmp" "&t2 escapes to heap"
func H() {
var v int // ERROR "moved to heap"
F2(0, 1, uintptr(unsafe.Pointer(&v)), 2) // ERROR "live at call to newobject: .?autotmp" "live at call to F2: .?autotmp" "escapes to heap"
var v2 int // ERROR "moved to heap"
F4(0, 1, uintptr(unsafe.Pointer(&v2)), 2) // ERROR "live at call to newobject: .?autotmp" "live at call to F4: .?autotmp" "escapes to heap"