| // RUN: %empty-directory(%t) |
| // RUN: %target-swift-frontend -emit-module -emit-module-path %t/opaque_conformance.swiftmodule -primary-file %S/Inputs/opaque_conformance.swift |
| // RUN: %target-swift-frontend -O -emit-sil -primary-file %s -I %t | %FileCheck %s |
| |
| import opaque_conformance |
| |
| public func callsPublicRequirement(_ c: Conformer) { |
| c.publicRequirement() |
| } |
| |
| // CHECK-LABEL: sil @$s21devirt_opaque_witness22callsPublicRequirementyy0B12_conformance9ConformerVF : $@convention(thin) (Conformer) -> () { |
| // CHECK: bb0(%0 : $Conformer): |
| // CHECK: [[BOX:%.*]] = alloc_stack $Conformer |
| // CHECK-NEXT: store %0 to [[BOX]] : $*Conformer |
| // CHECK: [[FN:%.*]] = function_ref @$s18opaque_conformance9ConformerVAA14PublicProtocolA2aDP17publicRequirementyyFTW : $@convention(witness_method: PublicProtocol) (@in_guaranteed Conformer) -> () |
| // CHECK-NEXT: [[RESULT:%.*]] = apply [[FN]]([[BOX]]) : $@convention(witness_method: PublicProtocol) (@in_guaranteed Conformer) -> () |
| // CHECK-NEXT: dealloc_stack [[BOX]] : $*Conformer |
| // CHECK-NEXT: [[RESULT:%.*]] = tuple () |
| // CHECK-NEXT: return [[RESULT]] : $() |
| |
| // Note that [transparent] here doesn't mean anything since there's no body. |
| // The important thing is that the witness_method call got devirtualized, |
| // and the thunk has public linkage and no serialized body (since the body |
| // references a private symbol of the module opaque_conformance). |
| // CHECK-LABEL: sil [transparent] [thunk] @$s18opaque_conformance9ConformerVAA14PublicProtocolA2aDP17publicRequirementyyFTW : $@convention(witness_method: PublicProtocol) (@in_guaranteed Conformer) -> () |
| |
| // CHECK-LABEL: sil_witness_table public_external Conformer: PublicProtocol module opaque_conformance { |
| // CHECK-NEXT: method #PublicProtocol.publicRequirement!1: <Self where Self : PublicProtocol> (Self) -> () -> () : @$s18opaque_conformance9ConformerVAA14PublicProtocolA2aDP17publicRequirementyyFTW |
| // CHECK-NEXT: } |
