| // RUN: %target-swift-frontend %s -emit-ir -g -o - | %FileCheck %s | |
| func markUsed<T>(_ t: T) {} | |
| public func f() { | |
| // CHECK: !DILocalVariable(name: "$interpolation", | |
| // CHECK-SAME: flags: DIFlagArtificial) | |
| let world = "World" | |
| var s = "Hello \(world)!" | |
| markUsed(s) | |
| } | |
| f() |