File: over_consume_positive.sil

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// RUN: %target-sil-opt -enable-sil-verify-all=0 -module-name Swift -o /dev/null %s 2>&1
// REQUIRES: asserts

// This file is meant to contain tests that previously the verifier treated
// incorrectly. This is important to ensure that the verifier does not
// regress. It should only deal with dataflow over consuming failures.

sil_stage canonical

import Builtin

enum FakeOptional<T> {
case some(T)
case none
}

class Klass {
}

sil [ossa] @klass_user : $@convention(thin) (@guaranteed FakeOptional<Klass>) -> ()

sil [ossa] @guaranteed_is_not_owned_use : $@convention(thin) (@guaranteed Klass) -> () {
bb0(%0 : @guaranteed $Klass):
  %1 = copy_value %0 : $Klass
  %2 = function_ref @klass_user : $@convention(thin) (@guaranteed FakeOptional<Klass>) -> ()
  %3 = enum $FakeOptional<Klass>, #FakeOptional.some!enumelt, %1 : $Klass
  %4 = apply %2(%3) : $@convention(thin) (@guaranteed FakeOptional<Klass>) -> ()
  destroy_value %3 : $FakeOptional<Klass>
  %9999 = tuple()
  return %9999 : $()
}