File: specialize_self.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 (20 lines) | stat: -rw-r--r-- 1,038 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 

// RUN: %target-swift-frontend -module-name specialize_self -Xllvm -sil-full-demangle  -O -sil-inline-threshold 0 -emit-sil -primary-file %s | %FileCheck %s

// CHECK-NOT: generic specialization <Swift.AnyObject, Self> of specialize_self.cast <A, B>(A) -> Swift.Optional<B>

// CHECK-LABEL: specialize_self.cast<A, B>(A) -> Swift.Optional<B>
// CHECK-NEXT: sil hidden @$s15specialize_self4cast{{[_0-9a-zA-Z]*}}F : $@convention(thin) <T, R> (@in_guaranteed T) -> @out Optional<R>
func cast<T,R>(_ x: T) -> R? {
  return x as? R
}

// CHECK-LABEL: static specialize_self.Base.returnIfSelf(Swift.AnyObject) -> Swift.Optional<Self>
// CHECK-NEXT: sil hidden @$s15specialize_self4BaseC12returnIfSelf{{[_0-9a-zA-Z]*}}FZ : $@convention(method) (@guaranteed AnyObject, @thick Base.Type) -> @owned Optional<Base>
// CHECK: [[CAST:%[0-9]+]] = function_ref @$s15specialize_self4cast{{[_0-9a-zA-Z]*}}F
// CHECK: apply [[CAST]]<AnyObject, @dynamic_self Base>
class Base {
  class func returnIfSelf(_ x: AnyObject) -> Self? {
    return cast(x)
  }
}