File: closure-lifetime-fixup-dead-block.sil

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// RUN: %target-sil-opt -enable-sil-verify-all -closure-lifetime-fixup %s | %FileCheck %s

sil_stage raw


import Builtin
import Swift

sil @cl : $@convention(thin) (@in_guaranteed Builtin.Int64) -> ()
sil @f : $@convention(thin) (@guaranteed @noescape @callee_guaranteed () -> ()) -> ()

// This test case used to loop infinitely because it processed the dead block as
// part of a dominance based algorithm.

// CHECK: partial_apply

sil [ossa] @repo : $@convention(thin) (Builtin.Int1, Builtin.Int1, @in_guaranteed Builtin.Int64) -> () {
bb0(%0 : $Builtin.Int1, %1 : $Builtin.Int1, %2: $*Builtin.Int64):
  cond_br %0, bb2, bb1

bb1:
  br bb7

bb2:
  br bb3

bb3:
  cond_br %1, bb4, bb5

bb4:
  br bb8

bb5:
  br bb8

bb6:
  %41 = alloc_stack $Builtin.Int64
  copy_addr %2 to [init] %41 : $*Builtin.Int64
        %40 = function_ref @cl : $@convention(thin) (@in_guaranteed Builtin.Int64) -> ()
  %43 = partial_apply [callee_guaranteed] %40(%41) : $@convention(thin) (@in_guaranteed Builtin.Int64) -> ()
  %44 = convert_escape_to_noescape [not_guaranteed] %43 : $@callee_guaranteed () -> () to $@noescape @callee_guaranteed () -> ()
  %55 = function_ref @f : $@convention(thin) (@guaranteed @noescape @callee_guaranteed () -> ()) -> ()
  %56 = apply %55(%44) : $@convention(thin) (@guaranteed @noescape @callee_guaranteed () -> ()) -> ()
  destroy_value %44 : $@noescape @callee_guaranteed () -> ()
  destroy_value %43 : $@callee_guaranteed () -> ()
  dealloc_stack %41 : $*Builtin.Int64
  br bb8

bb7:
  br bb8

bb8:
  %r = tuple()
  return %r : $()
}