File: alloc_box.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (19 lines) | stat: -rw-r--r-- 483 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
// RUN: %target-swift-frontend -Xllvm -sil-disable-pass=SILGenCleanup -primary-file %s -emit-ir -o - | %FileCheck %s

func f() -> Bool? { return nil }

var gb = false
var gc: () -> () = {}

({
  guard var b = f() else { return }
  let c = { b = true }
  gb = b
  gc = c
})()

// CHECK-LABEL: @"$s9alloc_boxyyXEfU0_"
// CHECK-NOT: call void @swift_setDeallocating
// CHECK: call void @swift_deallocUninitializedObject
// CHECK-NOT: call void @swift_setDeallocating
// CHECK: ret void