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// RUN: %target-sil-opt -enable-sil-verify-all -o - -sil-consume-operator-copyable-values-checker -verify %s
// This file is meant for specific SIL patterns that may be hard to produce with
// the current swift frontend but have reproduced before and we want to make
// sure keep on working.
import Builtin
class Klass {}
struct Int {
var _value: Builtin.Int64
}
enum Optional<T> {
case none
case some(T)
}
// Make sure that we only emit an error on the use within the loop and not on
// the destroy_value along the exit edge of the loop.
sil [ossa] @useInLoopWithDestroyOutOfLoop : $@convention(thin) (@guaranteed Klass) -> () {
bb0(%0 : @guaranteed $Klass):
debug_value %0 : $Klass, let, name "x", argno 1
%2 = begin_borrow [lexical] [var_decl] %0 : $Klass // expected-error {{'y' used after consume}}
debug_value %2 : $Klass, let, name "y"
%4 = copy_value %2 : $Klass
%5 = move_value [allows_diagnostics] %4 : $Klass // expected-note {{consumed here}}
destroy_value %5 : $Klass
br bb1
bb1:
switch_enum undef : $Optional<Int>, case #Optional.some!enumelt: bb2, case #Optional.none!enumelt: bb3
bb2(%58 : $Int):
%59 = copy_value %2 : $Klass
%60 = begin_borrow [lexical] [var_decl] %59 : $Klass // expected-note {{used here}}
debug_value %60 : $Klass, let, name "m"
end_borrow %60 : $Klass
destroy_value %59 : $Klass
br bb1
bb3:
end_borrow %2 : $Klass
%67 = tuple ()
return %67 : $()
}
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