| // RUN: %target-swift-frontend -O %s -emit-sil -sil-verify-all | FileCheck %s |
| |
| // Make sure that we completely inline/devirtualize/substitute all the way down |
| // to unknown1. |
| |
| // CHECK-LABEL: sil @main |
| // CHECK: bb0({{.*}}): |
| // CHECK: alloc_ref |
| // CHECK: function_ref @unknown1 |
| // CHECK: apply |
| // CHECK: apply |
| // CHECK: return |
| |
| struct Int32 {} |
| |
| @_silgen_name("unknown1") |
| func unknown1() -> () |
| |
| protocol P { |
| func doSomething(_ x : Int32) |
| } |
| |
| struct X {} |
| |
| class B<T> : P { |
| func doSomething(_ x : Int32) { |
| unknown1() |
| } |
| } |
| |
| func doSomething(_ p : P, _ x : Int32) { |
| p.doSomething(x) |
| } |
| func doSomething2<T : P>(_ t : T, _ x : Int32) { |
| t.doSomething(x) |
| } |
| |
| func driver() { |
| var b2 = B<X>() |
| var x = Int32() |
| doSomething(b2, x) |
| doSomething2(b2, x) |
| } |
| |
| driver() |
