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This change emits debug info for witness tables passed into generic functions when a generic type is constrained to a protocol. This information is required for LLDB's generic expression evaluator to work in such functions. rdar://104446865
34 lines
1.1 KiB
Swift
34 lines
1.1 KiB
Swift
// RUN: %target-swift-frontend -primary-file %s -emit-ir > %t.ll
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// RUN: %FileCheck %s < %t.ll
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// https://github.com/apple/swift/issues/48752
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// Canonicalizing a conformance access path that was built without the
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// requirement signature.
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public struct Valid<V> {}
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extension Valid where V: ValidationSuite {}
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public protocol Validatable {}
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extension Validatable {
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public func tested() {}
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// CHECK-LABEL: define{{.*}}$s23conformance_access_path11ValidatablePAAE6tested2byyqd__m_t9InputTypeQyd__RszAA15ValidationSuiteRd__lF
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public func tested<S: ValidationSuite>(by suite: S.Type) where S.InputType == Self {
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// CHECK: [[S_AS_VALIDATION_SUITE_GEP:%[0-9]+]] = getelementptr inbounds ptr, ptr %S.ValidationSuite, i32 1
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// CHECK: [[S_AS_VALIDATION_SUITE:%.*]] = load ptr, ptr [[S_AS_VALIDATION_SUITE_GEP]]
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// CHECK: call swiftcc ptr @swift_getAssociatedConformanceWitness(ptr %S.Validator, ptr %S, ptr %Self,
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tested()
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}
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}
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public protocol Validator {
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associatedtype InputType: Validatable
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}
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public protocol ValidationSuite: Validator {
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associatedtype InputType: Validatable
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}
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