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// RUN: %target-sil-opt -test-runner %s -o /dev/null 2>&1 | %FileCheck %s
sil_stage canonical
import Builtin
class C {}
enum FakeOptional<T> {
case none
case some(T)
}
sil @getOwned : $@convention(thin) () -> (@owned C)
sil @borrow : $@convention(thin) (@guaranteed C) -> ()
sil @useUnmanaged : $@convention(thin) (@sil_unmanaged C) -> ()
sil [ossa] @test_escape_of_phi_transitive_incoming_value : $@convention(thin) () -> () {
entry:
%getOwned = function_ref @getOwned : $@convention(thin) () -> (@owned C)
%useUnmanaged = function_ref @useUnmanaged : $@convention(thin) (@sil_unmanaged C) -> ()
cond_br undef, left, right
left:
cond_br undef, left_left, left_right
left_left:
%llinstance = apply %getOwned() : $@convention(thin) () -> (@owned C)
br left_bottom(%llinstance : $C)
left_right:
%lrinstance = apply %getOwned() : $@convention(thin) () -> (@owned C)
%escape = ref_to_unmanaged %lrinstance : $C to $@sil_unmanaged C
apply %useUnmanaged(%escape) : $@convention(thin) (@sil_unmanaged C) -> ()
br left_bottom(%lrinstance : $C)
left_bottom(%linstance : @owned $C):
br exit(%linstance : $C)
right:
%rinstance = apply %getOwned() : $@convention(thin) () -> (@owned C)
br exit(%rinstance : $C)
exit(%instance : @owned $C):
// CHECK-LABEL: begin running test {{[0-9]+}} of {{[0-9]+}} on test_escape_of_phi_transitive_incoming_value: has-pointer-escape
// CHECK: %14 = argument of bb6 : $C
// CHECK: true
// CHECK-LABEL: end running test {{[0-9]+}} of {{[0-9]+}} on test_escape_of_phi_transitive_incoming_value: has-pointer-escape with
specify_test "has-pointer-escape @block.argument"
destroy_value %instance : $C
%retval = tuple ()
return %retval : $()
}
sil [ossa] @test_loop_phi : $@convention(thin) () -> () {
entry:
%instance_1 = enum $FakeOptional<C>, #FakeOptional.none!enumelt
br loop_entry(%instance_1 : $FakeOptional<C>)
loop_entry(%18 : @owned $FakeOptional<C>):
specify_test "has-pointer-escape @block.argument"
br loop_body
loop_body:
cond_br undef, loop_back, loop_exit
loop_back:
br loop_entry(%18 : $FakeOptional<C>)
loop_exit:
destroy_value %18 : $FakeOptional<C>
br exit
exit:
%retval = tuple ()
return %retval : $()
}
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