// RUN: %target-sil-opt -sil-print-types -enable-sil-verify-all %s -onone-simplification -simplify-instruction=value_to_bridge_object | %FileCheck %s

// REQUIRES: swift_in_compiler

import Swift
import Builtin

// CHECK-LABEL: sil @empty_string_literal_sequence
// CHECK:         %1 = value_to_bridge_object %0
// CHECK:         return %1
// CHECK:       } // end sil function 'empty_string_literal_sequence'
sil @empty_string_literal_sequence : $@convention(thin) (Builtin.Int64) -> Builtin.BridgeObject {
bb0(%0 : $Builtin.Int64):
  %1 = value_to_bridge_object %0 : $Builtin.Int64
  %2 = unchecked_trivial_bit_cast %1 : $Builtin.BridgeObject to $UInt64
  %3 = struct_extract %2 : $UInt64, #UInt64._value
  %4 = value_to_bridge_object %3 : $Builtin.Int64
  return %4 : $Builtin.BridgeObject
}

// CHECK-LABEL: sil [ossa] @keep_both_vtbo_instructions
// CHECK:         %1 = value_to_bridge_object %0
// CHECK:         %2 = value_to_bridge_object %0
// CHECK:         %3 = tuple (%1 : $Builtin.BridgeObject, %2 : $Builtin.BridgeObject)
// CHECK:         return %3
// CHECK:       } // end sil function 'keep_both_vtbo_instructions'
sil [ossa] @keep_both_vtbo_instructions : $@convention(thin) (Builtin.Int64) -> (Builtin.BridgeObject, Builtin.BridgeObject) {
bb0(%0 : $Builtin.Int64):
  %1 = value_to_bridge_object %0 : $Builtin.Int64
  %2 = unchecked_trivial_bit_cast %1 : $Builtin.BridgeObject to $UInt64
  %3 = struct_extract %2 : $UInt64, #UInt64._value
  %4 = value_to_bridge_object %3 : $Builtin.Int64
  %5 = tuple (%1 : $Builtin.BridgeObject, %4 : $Builtin.BridgeObject)
  return %5 : $(Builtin.BridgeObject, Builtin.BridgeObject)
}