File: polymorphic_function.sil

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (24 lines) | stat: -rw-r--r-- 1,066 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
// RUN: %target-sil-opt %s | %FileCheck %s

import Swift

public protocol mmOutputStreamType {
  /// Append the given `string` to this stream.
  mutating func write(string: String)
}

public protocol mmStreamable {
  func writeTo<Target : mmOutputStreamType>(target: inout Target)
}

// CHECK-LABEL: sil @test : $@convention(thin) () -> () {
sil @test : $() -> () {
bb0:
  %281 = alloc_stack $mmStreamable
  %282 = open_existential_addr mutable_access %281 : $*mmStreamable to $*@opened("01234567-89ab-cdef-0123-000000000000", mmStreamable) Self
  // CHECK: witness_method $@opened({{.*}}, any mmStreamable) Self, #mmStreamable.writeTo
  %293 = witness_method $@opened("01234567-89ab-cdef-0123-000000000000", mmStreamable) Self, #mmStreamable.writeTo, %282 : $*@opened("01234567-89ab-cdef-0123-000000000000", mmStreamable) Self : $@convention(witness_method: mmStreamable) @callee_owned <T_0_0, T_1_0 where T_0_0 : mmStreamable, T_1_0 : mmOutputStreamType> (@inout T_1_0, @inout T_0_0) -> ()
  dealloc_stack %281 : $*mmStreamable
  %1 = tuple ()
  return %1 : $()
}