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// RUN: %target-sil-opt -module-name definite_init_moveonly_controlflowdep_init -enable-sil-verify-all -definite-init %s | %FileCheck %s
// RUN: %target-sil-opt -module-name definite_init_moveonly_controlflowdep_init -enable-sil-verify-all -definite-init -raw-sil-inst-lowering -sil-move-only-checker -verify %s
// Test that we properly handle both escaping and non-escaping variants.
@_moveOnly
struct S {}
sil @borrowVal : $@convention(thin) (@guaranteed S) -> ()
sil @consumeVal : $@convention(thin) (@owned S) -> ()
sil @getVal : $@convention(thin) () -> @owned S
sil @closureTakeVal : $@convention(thin) (@guaranteed { let S }) -> ()
// CHECK-LABEL: sil hidden [ossa] @letControlFlowDependentInitializationNoEscape : $@convention(thin) () -> () {
// CHECK: [[STACK:%.*]] = alloc_stack
// CHECK: [[MU:%.*]] = mark_uninitialized [var] [[STACK]]
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [consumable_and_assignable] [[MU]]
// CHECK: cond_br undef, [[LHS_BB:bb[0-9]+]], [[RHS_BB:bb[0-9]+]]
//
// CHECK: [[LHS_BB]]:
// CHECK: assign {{%.*}} to [init] [[MARK]]
// CHECK: br [[CONT_BB:bb[0-9]+]]
//
// CHECK: [[RHS_BB]]:
// CHECK: assign {{%.*}} to [init] [[MARK]]
// CHECK: br [[CONT_BB]]
//
// CHECK: [[CONT_BB]]:
// CHECK: [[LOAD:%.*]] = load [copy] [[MARK]]
// CHECK: apply {{%.*}}([[LOAD]])
// CHECK: destroy_value [[LOAD]]
// CHECK: [[LOAD:%.*]] = load [take] [[MARK]]
// CHECK: apply {{%.*}}([[LOAD]])
// CHECK: destroy_addr [[MARK]]
// CHECK: dealloc_stack [[STACK]]
// CHECK: } // end sil function 'letControlFlowDependentInitializationNoEscape'
sil hidden [ossa] @letControlFlowDependentInitializationNoEscape : $@convention(thin) () -> () {
bb0:
%0 = alloc_stack $S, let, name "s"
%1 = mark_uninitialized [var] %0 : $*S
%2 = mark_unresolved_non_copyable_value [consumable_and_assignable] %1 : $*S
cond_br undef, bb1, bb2
bb1:
%8 = function_ref @getVal : $@convention(thin) () -> @owned S
%9 = apply %8() : $@convention(thin) () -> @owned S
assign %9 to %2 : $*S
br bb3
bb2:
%13 = function_ref @getVal : $@convention(thin) () -> @owned S
%14 = apply %13() : $@convention(thin) () -> @owned S
assign %14 to %2 : $*S
br bb3
bb3:
%17 = load [copy] %2 : $*S
%18 = function_ref @borrowVal : $@convention(thin) (@guaranteed S) -> ()
%19 = apply %18(%17) : $@convention(thin) (@guaranteed S) -> ()
destroy_value %17 : $S
%21 = load [take] %2 : $*S
%22 = function_ref @consumeVal : $@convention(thin) (@owned S) -> ()
%23 = apply %22(%21) : $@convention(thin) (@owned S) -> ()
destroy_addr %2 : $*S
dealloc_stack %0 : $*S
%26 = tuple ()
return %26 : $()
}
// CHECK-LABEL: sil hidden [ossa] @letControlFlowDependentInitializationEscape : $@convention(thin) () -> () {
// CHECK: [[BOX:%.*]] = alloc_box
// CHECK: [[MU:%.*]] = mark_uninitialized [var] [[BOX]]
// CHECK: [[PROJECT:%.*]] = project_box [[MU]]
// CHECK: cond_br undef, [[LHS_BB:bb[0-9]+]], [[RHS_BB:bb[0-9]+]]
//
// CHECK: [[LHS_BB]]:
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [initable_but_not_consumable] [[PROJECT]]
// CHECK: assign {{%.*}} to [init] [[MARK]]
// CHECK: br [[CONT_BB:bb[0-9]+]]
//
// CHECK: [[RHS_BB]]:
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [initable_but_not_consumable] [[PROJECT]]
// CHECK: assign {{%.*}} to [init] [[MARK]]
// CHECK: br [[CONT_BB]]
//
// CHECK: [[CONT_BB]]:
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [no_consume_or_assign] [[PROJECT]]
// CHECK: [[LOAD:%.*]] = load [copy] [[MARK]]
// CHECK: apply {{%.*}}([[LOAD]])
// CHECK: destroy_value [[LOAD]]
//
// The checker will properly error and say that this is illegal on a let.
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [assignable_but_not_consumable] [[PROJECT]]
// CHECK: [[LOAD:%.*]] = load [take] [[MARK]]
// CHECK: apply {{%.*}}([[LOAD]])
sil hidden [ossa] @letControlFlowDependentInitializationEscape : $@convention(thin) () -> () {
bb0:
%1 = alloc_box ${ let S }, let, name "s"
%2 = mark_uninitialized [var] %1 : ${ let S }
%3 = project_box %2 : ${ let S }, 0
cond_br undef, bb1, bb2
bb1:
%9 = function_ref @getVal : $@convention(thin) () -> @owned S
%10 = apply %9() : $@convention(thin) () -> @owned S
%11 = mark_unresolved_non_copyable_value [assignable_but_not_consumable] %3 : $*S
assign %10 to %11 : $*S
br bb3
bb2:
%15 = function_ref @getVal : $@convention(thin) () -> @owned S
%16 = apply %15() : $@convention(thin) () -> @owned S
%17 = mark_unresolved_non_copyable_value [assignable_but_not_consumable] %3 : $*S
assign %16 to %17 : $*S
br bb3
bb3:
%20 = mark_unresolved_non_copyable_value [no_consume_or_assign] %3 : $*S
%21 = load [copy] %20 : $*S
%22 = function_ref @borrowVal : $@convention(thin) (@guaranteed S) -> ()
%23 = apply %22(%21) : $@convention(thin) (@guaranteed S) -> ()
destroy_value %21 : $S
%25 = mark_unresolved_non_copyable_value [assignable_but_not_consumable] %3 : $*S
// expected-error @-1 {{noncopyable 's' cannot be consumed when captured by an escaping closure}}
%26 = load [take] %25 : $*S
%27 = function_ref @consumeVal : $@convention(thin) (@owned S) -> ()
%28 = apply %27(%26) : $@convention(thin) (@owned S) -> ()
%29 = function_ref @closureTakeVal : $@convention(thin) (@guaranteed { let S }) -> ()
%30 = copy_value %2 : ${ let S }
mark_function_escape %3 : $*S
%32 = partial_apply [callee_guaranteed] %29(%30) : $@convention(thin) (@guaranteed { let S }) -> ()
destroy_value %32 : $@callee_guaranteed () -> ()
destroy_value %2 : ${ let S }
%37 = tuple ()
return %37 : $()
}
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