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[di] Show the swift code necessary to generate some of the derived self cases. #11021

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merged 1 commit into from
Jul 17, 2017
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[di] Show the swift code necessary to generate some of the derived self cases. #11021

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53 changes: 53 additions & 0 deletions test/SILOptimizer/definite_init_markuninitialized_derivedself.sil
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,26 @@ sil @getSomeOptionalClass : $@convention(thin) () -> Optional<SomeClass>
// Tests //
///////////

// This can be generated by using:
//
// func makesInt() -> Int { return 0 }
// func takesIntInout(i: inout Int) -> () {}
//
// class RootClassWithIVars {
// var x: Int
// var y: Int
// var z: (Int, Int)
// init() {
// }
// }
//
// class DerivedClassWithIVars : RootClassWithIVars {
// var a: Int
// override init() {
// a = makesInt()
// }
// }
//
sil @derived_test1 : $@convention(method) (@owned DerivedClassWithIVars) -> @owned DerivedClassWithIVars {
bb0(%0 : $DerivedClassWithIVars):
%1 = alloc_box $<τ_0_0> { var τ_0_0 } <DerivedClassWithIVars>
Expand Down Expand Up @@ -70,6 +90,24 @@ bb0(%0 : $DerivedClassWithIVars):
return %18 : $DerivedClassWithIVars
}

// This is testing the following swift:
//
// func makesInt() -> Int { return 0 }
// func takesIntInout(i: inout Int) -> () {}
//
// class RootClassWithIVars {
// var x: Int
// var y: Int
// var z: (Int, Int)
// init() {
// }
// }
//
// class DerivedClassWithIVars : RootClassWithIVars {
// var a: Int
// override init() {
// }
// }
sil @derived_test2 : $@convention(method) (@owned DerivedClassWithIVars) -> @owned DerivedClassWithIVars {
bb0(%0 : $DerivedClassWithIVars):
%1 = alloc_box $<τ_0_0> { var τ_0_0 } <DerivedClassWithIVars>
Expand Down Expand Up @@ -167,6 +205,21 @@ bb0(%0 : $DerivedClassWithNontrivialStoredProperties):
}

// <rdar://problem/18199087> DI doesn't catch use of super properties lexically inside super.init call
//
// To recreate this:
//
// class Foo {
// var x: Int
// init() {}
// init(i: Int) {}
// }
//
// class Foo2 : Foo {
// override init() {
// super.init(i: self.x) // <--- The important part.
// }
// }
//
sil @super_init_out_of_order : $@convention(method) (@owned DerivedClassWithIVars, Int) -> @owned DerivedClassWithIVars {
bb0(%0 : $DerivedClassWithIVars, %i : $Int):
%1 = alloc_box $<τ_0_0> { var τ_0_0 } <DerivedClassWithIVars>
Expand Down