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RequirementMachine: Add a couple of passing protocol minimization test cases #40457

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Merged
merged 2 commits into from
Dec 8, 2021
Merged

RequirementMachine: Add a couple of passing protocol minimization test cases #40457

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d5bae15
RequirementMachine: Add passing testcase for rdar://77683844
slavapestov Dec 7, 2021
478d04b
RequirementMachine: Add passing testcase for rdar://78233378
slavapestov Dec 7, 2021
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41 changes: 41 additions & 0 deletions test/Generics/rdar77683844.swift
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Original file line number Diff line number Diff line change
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// RUN: %target-swift-frontend -typecheck %s -debug-generic-signatures -requirement-machine-protocol-signatures=on 2>&1 | %FileCheck %s

// CHECK-LABEL: rdar77683844.(file).P1@
// CHECK-LABEL: Requirement signature: <Self where Self.T1 : P2, Self.T1 == Self.T3.T1, Self.T2 == Self.T1.T2, Self.T3 == Self.T1.T3, Self.T1.T2 == Self.T1.T4.T2, Self.T1.T3 == Self.T2.T3>

public protocol P1 {
associatedtype T1: P2 where T1.T4.T2 == T2, T1.T2 == T2, T1.T3 == T3
associatedtype T2 where T2.T3 == T3
associatedtype T3 where T3.T1 == T1
}

// CHECK-LABEL: rdar77683844.(file).P2@
// CHECK-LABEL: Requirement signature: <Self where Self.T2 : P4, Self.T3 : P3, Self.T4 : P5>

public protocol P2 {
associatedtype T3: P3
associatedtype T2: P4
associatedtype T4: P5
}

// CHECK-LABEL: rdar77683844.(file).P3@
// CHECK-LABEL: Requirement signature: <Self where Self.T1 : P2, Self.T2 : P4>

public protocol P3 {
associatedtype T1: P2
associatedtype T2: P4
}

// CHECK-LABEL: rdar77683844.(file).P4@
// CHECK-LABEL: Requirement signature: <Self where Self.T3 : P3>

public protocol P4 {
associatedtype T3: P3
}

// CHECK-LABEL: rdar77683844.(file).P5@
// CHECK-LABEL: Requirement signature: <Self where Self.T2 : P4>

public protocol P5 {
associatedtype T2: P4
}
29 changes: 29 additions & 0 deletions test/Generics/rdar78233378.swift
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// RUN: %target-swift-frontend -typecheck %s -debug-generic-signatures -requirement-machine-protocol-signatures=on 2>&1 | %FileCheck %s

// CHECK-LABEL: rdar78233378.(file).P1@
// CHECK-LABEL: Requirement signature: <Self where Self : P4, Self == Self.T1.T2, Self.T1 : P2>
public protocol P1: P4 where T1.T2 == Self {
associatedtype T1: P2
}

// CHECK-LABEL: rdar78233378.(file).P2@
// CHECK-LABEL: Requirement signature: <Self where Self : P5, Self.T2 : P1>
public protocol P2: P5 where T2: P1 {}

// CHECK-LABEL: rdar78233378.(file).P3@
// CHECK-LABEL: Requirement signature: <Self where Self.T2 : P4>
public protocol P3 {
associatedtype T2: P4
}

// CHECK-LABEL: rdar78233378.(file).P4@
// CHECK-LABEL: Requirement signature: <Self where Self == Self.T3.T2, Self.T3 : P3>
public protocol P4 where T3.T2 == Self {
associatedtype T3: P3
}

// CHECK-LABEL: rdar78233378.(file).P5@
// CHECK-LABEL: Requirement signature: <Self where Self.T2 : P4>
public protocol P5 {
associatedtype T2: P4
}