| // RUN: %empty-directory(%t) |
| // RUN: %target-swift-frontend -swift-version 4 -emit-module -o %t/regex.swiftmodule %S/Inputs/deserialize-clang-importer-witness-tables/regex.swift |
| // RUN: %target-swift-frontend -swift-version 4 -emit-ir %s -I %t | %FileCheck %s |
| // REQUIRES: objc_interop |
| import regex |
| |
| public func foo(line: String) { |
| // The NSRegularExpressionOptions: SetAlgebra conformance is used indirectly |
| // from the default argument expression passed to `RegEx(pattern:options:)` |
| // below. Ensure that a local copy of the definition was deserialized |
| // and lowered to IR. |
| // CHECK-LABEL: define {{.*}} void @"$sSo26NSRegularExpressionOptionsVs10SetAlgebraSCsACPxycfCTW" |
| // CHECK-LABEL: define {{.*}} i8** @"$sSo26NSRegularExpressionOptionsVABSQSCWl"() |
| let versionRegex = try! RegEx(pattern: "Apple") |
| _ = versionRegex.firstMatch(in: line) |
| } |
