test/SILGen/lazy_properties.swift

// RUN: %target-swift-frontend -Xllvm -sil-full-demangle -parse-as-library -emit-silgen -enable-sil-ownership -primary-file %s | %FileCheck %s

// <rdar://problem/17405715> lazy property crashes silgen of implicit memberwise initializer

// CHECK-LABEL: sil hidden @_T015lazy_properties19StructWithLazyFieldV4onceSivg : $@convention(method) (@inout StructWithLazyField) -> Int

// CHECK-LABEL: sil hidden @_T015lazy_properties19StructWithLazyFieldV4onceSivs : $@convention(method) (Int, @inout StructWithLazyField) -> ()

// CHECK-LABEL: sil hidden [transparent] @_T015lazy_properties19StructWithLazyFieldV4onceSivm : $@convention(method) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @inout StructWithLazyField) -> (Builtin.RawPointer, Optional<Builtin.RawPointer>)

// CHECK-LABEL: sil hidden @_T015lazy_properties19StructWithLazyFieldVACSiSg4once_tcfC : $@convention(method) (Optional<Int>, @thin StructWithLazyField.Type) -> @owned StructWithLazyField

struct StructWithLazyField {
  lazy var once : Int = 42
  let someProp = "Some value"
}

// <rdar://problem/21057425> Crash while compiling attached test-app.
// CHECK-LABEL: // lazy_properties.test21057425
func test21057425() {
  var x = 0, y: Int = 0
}

// Anonymous closure parameters in lazy initializer crash SILGen

// CHECK-LABEL: sil hidden @_T015lazy_properties22HasAnonymousParametersV1xSivg : $@convention(method) (@inout HasAnonymousParameters) -> Int

// CHECK-LABEL: sil private @_T015lazy_properties22HasAnonymousParametersV1xSivgS2icfU_ : $@convention(thin) (Int) -> Int

// CHECK-LABEL: sil hidden @_T015lazy_properties22HasAnonymousParametersV1xSivs : $@convention(method) (Int, @inout HasAnonymousParameters) -> ()

// CHECK-LABEL: sil hidden [transparent] @_T015lazy_properties22HasAnonymousParametersV1xSivm : $@convention(method) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @inout HasAnonymousParameters) -> (Builtin.RawPointer, Optional<Builtin.RawPointer>)

struct HasAnonymousParameters {
  lazy var x = { $0 }(0)
}