| // RUN: %target-swift-frontend %s -O -emit-sil | not FileCheck %s |
| |
| // FIXME: Existential devirtualization needs to be updated to work with |
| // open_existential_addr instructions. rdar://problem/18506660 |
| |
| protocol Pingable { |
| func ping(_ x : Int); |
| } |
| class Foo : Pingable { |
| func ping(_ x : Int) { var t : Int } |
| } |
| |
| // Everything gets devirtualized, inlined, and promoted to the stack. |
| //CHECK: @_TF24devirtualize_existential17interesting_stuffFT_T_ |
| //CHECK-NOT: init_existential_addr |
| //CHECK-NOT: apply |
| //CHECK: return |
| func interesting_stuff() { |
| var x : Pingable = Foo() |
| x.ping(1) |
| } |
| |
