swift-mirror/test/SIL/Serialization/function-global-function.sil

// RUN: %target-sil-opt %s -serialize -o /dev/null

sil_stage canonical

import Builtin

// Check that we don't crash if a serializable function is referenced from the
// initializer of a global variable.

sil_global [serialized] @globalFuncPtr : $@callee_guaranteed () -> () = {
  %0 = function_ref @calledFromFuncPtr : $@convention(thin) () -> ()
  %initval = thin_to_thick_function %0 : $@convention(thin) () -> () to $@callee_guaranteed () -> ()
}

sil @caller : $@convention(thin) () -> () {
bb0:
  %0 = global_addr @globalFuncPtr : $*@callee_guaranteed () -> ()
  %7 = tuple ()
  return %7 : $()
}

sil shared [serialized] @calledFromFuncPtr : $@convention(thin) () -> () {
bb0:
  %6 = tuple ()
  return %6 : $()
}