File: constant_propagation_casts_opaque_lowered.sil

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// RUN: %target-sil-opt -enable-sil-verify-all %s -address-lowering -diagnostic-constant-propagation -type-lowering-force-opaque-value-lowering | %FileCheck %s
sil_stage canonical

struct G<T> {
    var t: T
}

// CHECK-LABEL: sil [ossa] @checked_cast_same_type : {{.*}} {
// CHECK:         copy_addr [take]
// CHECK-LABEL: } // end sil function 'checked_cast_same_type'
sil [ossa] @checked_cast_same_type : $@convention(thin) <T> () -> () {
  %addr_src = alloc_stack $G<T>
  %addr_dest = alloc_stack $G<T>
  apply undef<T>(%addr_src) : $@convention(thin) <U> () -> @out G<U>
  unconditional_checked_cast_addr G<T> in %addr_src : $*G<T> to G<T> in %addr_dest : $*G<T>
  apply undef<T>(%addr_dest) : $@convention(thin) <U> (@in_guaranteed G<U>) -> ()
  destroy_addr %addr_dest : $*G<T>
  dealloc_stack %addr_dest : $*G<T>
  dealloc_stack %addr_src : $*G<T>
  %retval = tuple ()
  return %retval : $()
}