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swift-mirror/test/SILOptimizer/access_summary_analysis.sil
John McCall a7d7970e29 Turn finishAsyncLet into a builtin. 
This is necessary because we need to model its stack-allocation
behavior, although I'm not yet doing that in this patch because
StackNesting first needs to be taught to not try to move the
deallocation.

I'm not convinced that `async let` *should* be doing a stack allocation,
but it undoubtedly *is* doing a stack allocation, and until we have an
alternative to that, we will need to model it properly.
2025-11-03 16:33:40 -08:00

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// RUN: %target-sil-opt %s -access-summary-dump -o /dev/null | %FileCheck %s
sil_stage raw
import Builtin
import Swift
import SwiftShims
struct StructWithStoredProperties {
@_hasStorage var f: Int
@_hasStorage var g: Int
}
struct StructWithStructWithStoredProperties {
@_hasStorage var a: StructWithStoredProperties
@_hasStorage var b: StructWithStoredProperties
}
// CHECK-LABEL: @assignsToCapture
// CHECK-NEXT: ([modify], [])
sil private [ossa] @assignsToCapture : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1: $Int):
%2 = begin_access [modify] [unknown] %0 : $*Int
assign %1 to %2 : $*Int
end_access %2 : $*Int
%3 = tuple ()
return %3 : $()
}
// CHECK-LABEL: @readsAndModifiesSameCapture
// CHECK-NEXT: ([modify])
sil private [ossa] @readsAndModifiesSameCapture : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%1 = begin_access [read] [unknown] %0 : $*Int
end_access %1 : $*Int
%2 = begin_access [modify] [unknown] %0 : $*Int
end_access %2 : $*Int
%3 = tuple ()
return %3 : $()
}
// CHECK-LABEL: @readsAndModifiesSeparateCaptures
// CHECK-NEXT: ([read], [modify])
sil private [ossa] @readsAndModifiesSeparateCaptures : $@convention(thin) (@inout_aliasable Int, @inout_aliasable Int) -> () {
bb0(%0 : $*Int, %1 : $*Int):
%2 = begin_access [read] [unknown] %0 : $*Int
end_access %2 : $*Int
%3 = begin_access [modify] [unknown] %1 : $*Int
end_access %3 : $*Int
%4 = tuple ()
return %4 : $()
}
// CHECK-LABEL: @modifyInModifySubAccess
// CHECK-NEXT: ([modify])
sil private [ossa] @modifyInModifySubAccess : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%1 = begin_access [modify] [unknown] %0 : $*Int
%2 = begin_access [modify] [unknown] %1 : $*Int
end_access %2 : $*Int
end_access %1 : $*Int
%3 = tuple ()
return %3 : $()
}
// CHECK-LABEL: @readInModifySubAccess
// CHECK-NEXT: ([modify])
sil private [ossa] @readInModifySubAccess : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%1 = begin_access [modify] [unknown] %0 : $*Int
%2 = begin_access [read] [unknown] %1 : $*Int
end_access %2 : $*Int
end_access %1 : $*Int
%3 = tuple ()
return %3 : $()
}
// CHECK-LABEL: @accessSeparateStoredPropertiesOfSameCapture
// CHECK-NEXT: ([.f modify, .g read])
sil private [ossa] @accessSeparateStoredPropertiesOfSameCapture : $@convention(thin) (@inout_aliasable StructWithStoredProperties) -> () {
bb0(%0 : $*StructWithStoredProperties):
%1 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
%2 = struct_element_addr %1 : $*StructWithStoredProperties, #StructWithStoredProperties.f
end_access %1 : $*StructWithStoredProperties
%4 = begin_access [read] [unknown] %0: $*StructWithStoredProperties
%5 = struct_element_addr %4 : $*StructWithStoredProperties, #StructWithStoredProperties.g
end_access %4 : $*StructWithStoredProperties
%7 = tuple ()
return %7 : $()
}
// CHECK-LABEL: @accessSeparateElementsOfSameCapture
// CHECK-NEXT: ([.0 modify, .1 read])
sil private [ossa] @accessSeparateElementsOfSameCapture : $@convention(thin) (@inout_aliasable (Int, Int)) -> () {
bb0(%0 : $*(Int, Int)):
%1 = begin_access [modify] [unknown] %0: $*(Int, Int)
%2 = tuple_element_addr %1 : $*(Int, Int), 0
end_access %1 : $*(Int, Int)
%4 = begin_access [read] [unknown] %0: $*(Int, Int)
%5 = tuple_element_addr %4 : $*(Int, Int), 1
end_access %4 : $*(Int, Int)
%7 = tuple ()
return %7 : $()
}
// CHECK-LABEL: @accessSeparateNestedStoredPropertiesOfSameCapture
// CHECK-NEXT: ([.a.f modify, .b.g modify])
sil private [ossa] @accessSeparateNestedStoredPropertiesOfSameCapture : $@convention(thin) (@inout_aliasable StructWithStructWithStoredProperties) -> () {
bb0(%0 : $*StructWithStructWithStoredProperties):
%1 = begin_access [modify] [unknown] %0: $*StructWithStructWithStoredProperties
%2 = struct_element_addr %1 : $*StructWithStructWithStoredProperties, #StructWithStructWithStoredProperties.a
%3 = struct_element_addr %2 : $*StructWithStoredProperties, #StructWithStoredProperties.f
end_access %1 : $*StructWithStructWithStoredProperties
%5 = begin_access [modify] [unknown] %0: $*StructWithStructWithStoredProperties
%6 = struct_element_addr %5 : $*StructWithStructWithStoredProperties, #StructWithStructWithStoredProperties.b
%7 = struct_element_addr %6 : $*StructWithStoredProperties, #StructWithStoredProperties.g
end_access %5 : $*StructWithStructWithStoredProperties
%9 = tuple ()
return %9 : $()
}
// CHECK-LABEL: @accessSeparateStoredPropertiesOfSameCaptureOppositeOfDeclarationOrder
// CHECK-NEXT: ([.f read, .g modify])
sil private [ossa] @accessSeparateStoredPropertiesOfSameCaptureOppositeOfDeclarationOrder : $@convention(thin) (@inout_aliasable StructWithStoredProperties) -> () {
bb0(%0 : $*StructWithStoredProperties):
%1 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
%2 = struct_element_addr %1 : $*StructWithStoredProperties, #StructWithStoredProperties.g
end_access %1 : $*StructWithStoredProperties
%4 = begin_access [read] [unknown] %0: $*StructWithStoredProperties
%5 = struct_element_addr %4 : $*StructWithStoredProperties, #StructWithStoredProperties.f
end_access %4 : $*StructWithStoredProperties
%7 = tuple ()
return %7 : $()
}
// CHECK-LABEL: @accessAggregateDoesNotSubsumeAccessStoredProp
// CHECK-NEXT: ([modify, .g modify])
sil private [ossa] @accessAggregateDoesNotSubsumeAccessStoredProp : $@convention(thin) (@inout_aliasable StructWithStoredProperties) -> () {
bb0(%0 : $*StructWithStoredProperties):
%1 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
end_access %1 : $*StructWithStoredProperties
%4 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
%5 = struct_element_addr %4 : $*StructWithStoredProperties, #StructWithStoredProperties.g
end_access %4 : $*StructWithStoredProperties
%7 = tuple ()
return %7 : $()
}
// CHECK-LABEL: @accessAggregateDoesNotSubsumeAccessStoredPropWithAggregateSecond
// CHECK-NEXT: ([modify, .f modify])
sil private [ossa] @accessAggregateDoesNotSubsumeAccessStoredPropWithAggregateSecond : $@convention(thin) (@inout_aliasable StructWithStoredProperties) -> () {
bb0(%0 : $*StructWithStoredProperties):
%1 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
%2 = struct_element_addr %1 : $*StructWithStoredProperties, #StructWithStoredProperties.f
end_access %1 : $*StructWithStoredProperties
%4 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
end_access %4 : $*StructWithStoredProperties
%7 = tuple ()
return %7 : $()
}
// CHECK-LABEL: @accessSameStoredPropertyOfSameCapture
// CHECK-NEXT: ([.f modify])
sil private [ossa] @accessSameStoredPropertyOfSameCapture : $@convention(thin) (@inout_aliasable StructWithStoredProperties) -> () {
bb0(%0 : $*StructWithStoredProperties):
%1 = begin_access [read] [unknown] %0: $*StructWithStoredProperties
%2 = struct_element_addr %1 : $*StructWithStoredProperties, #StructWithStoredProperties.f
end_access %1 : $*StructWithStoredProperties
%4 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
%5 = struct_element_addr %4 : $*StructWithStoredProperties, #StructWithStoredProperties.f
end_access %4 : $*StructWithStoredProperties
%7 = tuple ()
return %7 : $()
}
// CHECK-LABEL: @accessSeparateStoredPropertiesOfSameCaptureWithTSanInstrumentation
// CHECK-NEXT: ([.f modify, .g read])
sil private [ossa] @accessSeparateStoredPropertiesOfSameCaptureWithTSanInstrumentation : $@convention(thin) (@inout_aliasable StructWithStoredProperties) -> () {
bb0(%0 : $*StructWithStoredProperties):
%1 = begin_access [modify] [unknown] %0: $*StructWithStoredProperties
%2 = builtin "tsanInoutAccess"(%1 : $*StructWithStoredProperties) : $()
%3 = struct_element_addr %1 : $*StructWithStoredProperties, #StructWithStoredProperties.f
%4 = builtin "tsanInoutAccess"(%3 : $*Int) : $()
end_access %1 : $*StructWithStoredProperties
%6 = begin_access [read] [unknown] %0: $*StructWithStoredProperties
%7 = builtin "tsanInoutAccess"(%6 : $*StructWithStoredProperties) : $()
%8 = struct_element_addr %6 : $*StructWithStoredProperties, #StructWithStoredProperties.g
%9 = builtin "tsanInoutAccess"(%8 : $*Int) : $()
end_access %6 : $*StructWithStoredProperties
%11 = tuple ()
return %11 : $()
}
// CHECK-LABEL: @addressToPointerOfStructElementAddr
// CHECK-NEXT: ([])
// This mirrors the code pattern for materializeForSet on a struct stored
// property
sil private [ossa] @addressToPointerOfStructElementAddr : $@convention(method) (@inout StructWithStoredProperties) -> (Builtin.RawPointer) {
bb0(%1 : $*StructWithStoredProperties):
%2 = struct_element_addr %1 : $*StructWithStoredProperties, #StructWithStoredProperties.f
%3 = address_to_pointer %2 : $*Int to $Builtin.RawPointer
return %3 : $(Builtin.RawPointer)
}
// CHECK-LABEL: @endUnpairedAccess
// CHECK-NEXT: ([])
sil private [ossa] @endUnpairedAccess : $@convention(method) (@inout Builtin.UnsafeValueBuffer) -> () {
bb0(%0 : $*Builtin.UnsafeValueBuffer):
end_unpaired_access [dynamic] %0 : $*Builtin.UnsafeValueBuffer
%1 = tuple ()
return %1 : $()
}
// CHECK-LABEL: @tupleElementAddr
// CHECK-NEXT: ([modify])
sil private [ossa] @tupleElementAddr : $@convention(thin) (@inout_aliasable (Int, Int)) -> () {
bb0(%0 : $*(Int, Int)):
%1 = tuple_element_addr %0 : $*(Int, Int), 1
%2 = begin_access [modify] [unknown] %1 : $*Int
end_access %2 : $*Int
%3 = tuple ()
return %3 : $()
}
sil @closureWithMissingBody : $@convention(thin) (@inout_aliasable Int, Int) -> ()
// CHECK-LABEL: @callClosureWithMissingBody
// CHECK-NEXT: ([modify], [])
sil private [ossa] @callClosureWithMissingBody : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1 : $Int):
%2 = function_ref @closureWithMissingBody : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%3 = apply %2(%0, %1) : $@convention(thin) (@inout_aliasable Int, Int) -> () // no-crash
%4 = tuple ()
return %4 : $()
}
// CHECK-LABEL: @callClosureThatModifiesCapture
// CHECK-NEXT: ([modify], [])
sil private [ossa] @callClosureThatModifiesCapture : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1 : $Int):
%2 = function_ref @assignsToCapture : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%3 = apply %2(%0, %1) : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%4 = tuple ()
return %4 : $()
}
// CHECK-LABEL: @throwingClosureThatModifiesCapture
// CHECK-NEXT: ([modify])
sil private [ossa] @throwingClosureThatModifiesCapture : $@convention(thin) (@inout_aliasable Int) -> @error Error {
bb0(%0 : $*Int):
%1 = begin_access [modify] [unknown] %0 : $*Int
end_access %1 : $*Int
%2 = tuple ()
return %2 : $()
}
// CHECK-LABEL: @callThrowingClosureThatModifiesCapture
// CHECK-NEXT: ([modify])
sil private [ossa] @callThrowingClosureThatModifiesCapture : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%1 = function_ref @throwingClosureThatModifiesCapture : $@convention(thin) (@inout_aliasable Int) -> @error Error
try_apply %1(%0) : $@convention(thin) (@inout_aliasable Int) -> @error Error, normal bb1, error bb2
bb1(%3 : $()):
%4 = tuple ()
return %4 : $()
bb2(%5: @owned $Error):
%6 = builtin "unexpectedError"(%5 : $Error) : $()
unreachable
}
sil @takesNoEscapeClosure : $@convention(thin) (@owned @callee_owned () -> ()) -> ()
// CHECK-LABEL: @partialApplyPassedOffToFunction
// CHECK-NEXT: ([modify], [])
sil private [ossa] @partialApplyPassedOffToFunction : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1: $Int):
%2 = function_ref @assignsToCapture : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%3 = partial_apply %2(%0, %1) : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%4 = function_ref @takesNoEscapeClosure : $@convention(thin) (@owned @callee_owned () -> ()) -> ()
%5 = apply %4(%3) : $@convention(thin) (@owned @callee_owned () -> ()) -> ()
%6 = tuple ()
return %6 : $()
}
sil @takesNoEscapeClosureTakingArgument : $@convention(thin) (@owned @callee_owned (Int) -> ()) -> ()
sil @takesNoEscapeClosureTakingArgumentThrowing : $@convention(thin) (@owned @callee_owned (Int) -> (@error Error)) -> ()
sil @takesGuaranteedNoEscapeClosureTakingArgumentThrowing : $@convention(thin) (@guaranteed @callee_owned (Int) -> @error Error) -> ()
// CHECK-LABEL: @hasThreeCapturesAndTakesArgument
// CHECK-NEXT: ([], [modify], [], [read])
sil private [ossa] @hasThreeCapturesAndTakesArgument : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> () {
bb0(%0 : $Int, %1: $*Int, %2: $*Int, %3: $*Int):
%4 = begin_access [modify] [unknown] %1 : $*Int
end_access %4 : $*Int
%5 = begin_access [read] [unknown] %3 : $*Int
end_access %5 : $*Int
%6 = tuple ()
return %6 : $()
}
// CHECK-LABEL: @partialApplyOfClosureTakingArgumentPassedOffToFunction
// CHECK-NEXT: ([modify], [], [read])
sil private [ossa] @partialApplyOfClosureTakingArgumentPassedOffToFunction : $@convention(thin) (@inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> () {
bb0(%0 : $*Int, %1 : $*Int, %2 : $*Int):
%3 = function_ref @hasThreeCapturesAndTakesArgument : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%4 = partial_apply %3(%0, %1, %2) : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%5 = function_ref @takesNoEscapeClosureTakingArgument : $@convention(thin) (@owned @callee_owned (Int) -> ()) -> ()
%6 = apply %5(%4) : $@convention(thin) (@owned @callee_owned (Int) -> ()) -> ()
%7 = tuple ()
return %7 : $()
}
// CHECK-LABEL: @partialApplyFollowedByConvertFunction
// CHECK-NEXT: ([modify], [], [read])
sil private [ossa] @partialApplyFollowedByConvertFunction : $@convention(thin) (@inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> () {
bb0(%0 : $*Int, %1 : $*Int, %2 : $*Int):
%3 = function_ref @hasThreeCapturesAndTakesArgument : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%4 = partial_apply %3(%0, %1, %2) : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%5 = convert_function %4 : $@callee_owned (Int) -> () to $@callee_owned (Int) -> @error Error
%6 = function_ref @takesNoEscapeClosureTakingArgumentThrowing : $@convention(thin) (@owned @callee_owned (Int) -> @error Error) -> ()
%7 = apply %6(%5) : $@convention(thin) (@owned @callee_owned (Int) -> @error Error) -> ()
%8 = tuple ()
return %8 : $()
}
sil @takesAutoClosureReturningGeneric : $@convention(thin) <T where T : Equatable> (@owned @callee_owned () -> (@out T, @error Error)) -> ()
sil @thunkForAutoClosure : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (@out Int, @error Error)
// CHECK-LABEL: @readsAndThrows
// CHECK-NEXT: ([read])
sil private [ossa] @readsAndThrows : $@convention(thin) (@inout_aliasable Int) -> (Int, @error Error) {
bb0(%0 : $*Int):
%3 = begin_access [read] [unknown] %0 : $*Int
%4 = load [trivial] %3 : $*Int
end_access %3 : $*Int
return %4 : $Int
}
// CHECK-LABEL: @passPartialApplyAsArgumentToPartialApply
// CHECK-NEXT: ([read])
sil hidden [ossa] @passPartialApplyAsArgumentToPartialApply : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%2 = function_ref @takesAutoClosureReturningGeneric : $@convention(thin) <τ_0_0 where τ_0_0 : Equatable> (@owned @callee_owned () -> (@out τ_0_0, @error Error)) -> ()
%3 = function_ref @readsAndThrows : $@convention(thin) (@inout_aliasable Int) -> (Int, @error Error)
%4 = partial_apply %3(%0) : $@convention(thin) (@inout_aliasable Int) -> (Int, @error Error)
%5 = function_ref @thunkForAutoClosure : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (@out Int, @error Error)
%6 = partial_apply %5(%4) : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (@out Int, @error Error)
%7 = apply %2<Int>(%6) : $@convention(thin) <τ_0_0 where τ_0_0 : Equatable> (@owned @callee_owned () -> (@out τ_0_0, @error Error)) -> ()
%8 = tuple ()
return %8 : $()
}
// CHECK-LABEL: @reads
// CHECK-NEXT: ([read])
sil private [ossa] @reads : $@convention(thin) (@inout_aliasable Int) -> Int {
bb0(%0 : $*Int):
%3 = begin_access [read] [unknown] %0 : $*Int
%4 = load [trivial] %3 : $*Int
end_access %3 : $*Int
return %4 : $Int
}
// CHECK-LABEL: @convertPartialApplyAndPassToPartialApply
// CHECK-NEXT: ([read])
sil hidden [ossa] @convertPartialApplyAndPassToPartialApply : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%2 = function_ref @takesAutoClosureReturningGeneric : $@convention(thin) <τ_0_0 where τ_0_0 : Equatable> (@owned @callee_owned () -> (@out τ_0_0, @error Error)) -> ()
%3 = function_ref @reads : $@convention(thin) (@inout_aliasable Int) -> Int
%4 = partial_apply %3(%0) : $@convention(thin) (@inout_aliasable Int) -> Int
%5 = convert_function %4 : $@callee_owned () -> Int to $@callee_owned () -> (Int, @error Error)
%6 = function_ref @thunkForAutoClosure : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (@out Int, @error Error)
%7 = partial_apply %6(%5) : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (@out Int, @error Error)
%8 = apply %2<Int>(%7) : $@convention(thin) <τ_0_0 where τ_0_0 : Equatable> (@owned @callee_owned () -> (@out τ_0_0, @error Error)) -> ()
%9 = tuple ()
return %9 : $()
}
// CHECK-LABEL: @selfRecursion
// CHECK-NEXT: ([modify], [])
sil private [ossa] @selfRecursion : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1 : $Int):
%2 = function_ref @selfRecursion : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%3 = apply %2(%0, %1) : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%4 = begin_access [modify] [unknown] %0 : $*Int
end_access %4 : $*Int
%5 = tuple ()
return %5 : $()
}
// CHECK-LABEL: @callsMutuallyRecursive
// CHECK-NEXT: ([modify], [])
sil private [ossa] @callsMutuallyRecursive : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1 : $Int):
%2 = function_ref @mutualRecursion1 : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%3 = apply %2(%0, %1) : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%4 = tuple ()
return %4 : $()
}
// CHECK-LABEL: @mutualRecursion1
// CHECK-NEXT: ([modify], [])
sil private [ossa] @mutualRecursion1 : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1 : $Int):
%2 = function_ref @mutualRecursion2 : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%3 = apply %2(%0, %1) : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%4 = begin_access [modify] [unknown] %0 : $*Int
end_access %4 : $*Int
%5 = tuple ()
return %5 : $()
}
// CHECK-LABEL: @mutualRecursion2
// CHECK-NEXT: ([modify], [])
sil private [ossa] @mutualRecursion2 : $@convention(thin) (@inout_aliasable Int, Int) -> () {
bb0(%0 : $*Int, %1 : $Int):
%2 = function_ref @mutualRecursion1 : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%3 = apply %2(%0, %1) : $@convention(thin) (@inout_aliasable Int, Int) -> ()
%4 = begin_access [read] [unknown] %0 : $*Int
end_access %4 : $*Int
%5 = tuple ()
return %5 : $()
}
// Multiple cycles. This requires two iterations of the edge propagation.
// Once to propagate the modify from A to B and one to propagate from
// B to C
//
// A [Call B then later modify param]
// / |
// \ |
// B
// / |
// \ |
// C
//
// CHECK-LABEL: @multipleCycleA
// CHECK-NEXT: ([modify])
sil private [ossa] @multipleCycleA : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%1 = function_ref @multipleCycleB : $@convention(thin) (@inout_aliasable Int) -> ()
%2 = apply %1(%0) : $@convention(thin) (@inout_aliasable Int) -> ()
%3 = begin_access [modify] [unknown] %0 : $*Int
end_access %3 : $*Int
%5 = tuple ()
return %5 : $()
}
// CHECK-LABEL: @multipleCycleB
// CHECK-NEXT: ([modify])
sil private [ossa] @multipleCycleB : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%1 = function_ref @multipleCycleA : $@convention(thin) (@inout_aliasable Int) -> ()
%2 = apply %1(%0) : $@convention(thin) (@inout_aliasable Int) -> ()
%3 = function_ref @multipleCycleC : $@convention(thin) (@inout_aliasable Int) -> ()
%4 = apply %3(%0) : $@convention(thin) (@inout_aliasable Int) -> ()
%5 = tuple ()
return %5 : $()
}
// CHECK-LABEL: @multipleCycleC
// CHECK-NEXT: ([modify])
sil private [ossa] @multipleCycleC : $@convention(thin) (@inout_aliasable Int) -> () {
bb0(%0 : $*Int):
%1 = function_ref @multipleCycleB : $@convention(thin) (@inout_aliasable Int) -> ()
%2 = apply %1(%0) : $@convention(thin) (@inout_aliasable Int) -> ()
%4 = tuple ()
return %4 : $()
}
// Make sure that we can accept borrows of partial apply by looking through the
// borrow.
// CHECK-LABEL: @partialApplyFollowedByConvertFunctionWithBorrow
// CHECK-NEXT: ([modify], [], [read])
sil private [ossa] @partialApplyFollowedByConvertFunctionWithBorrow : $@convention(thin) (@inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> () {
bb0(%0 : $*Int, %1 : $*Int, %2 : $*Int):
%3 = function_ref @hasThreeCapturesAndTakesArgument : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%4 = partial_apply %3(%0, %1, %2) : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%5 = convert_function %4 : $@callee_owned (Int) -> () to $@callee_owned (Int) -> @error Error
%6 = begin_borrow %5 : $@callee_owned (Int) -> @error Error
%7 = function_ref @takesGuaranteedNoEscapeClosureTakingArgumentThrowing : $@convention(thin) (@guaranteed @callee_owned (Int) -> @error Error) -> ()
%8 = apply %7(%6) : $@convention(thin) (@guaranteed @callee_owned (Int) -> @error Error) -> ()
end_borrow %6 : $@callee_owned (Int) -> @error Error
destroy_value %5 : $@callee_owned (Int) -> @error Error
%9999 = tuple ()
return %9999 : $()
}
// Look through moves.
// CHECK-LABEL: @partialApplyFollowedByConvertFunctionWithMove
// CHECK-NEXT: ([modify], [], [read])
sil private [ossa] @partialApplyFollowedByConvertFunctionWithMove : $@convention(thin) (@inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> () {
bb0(%0 : $*Int, %1 : $*Int, %2 : $*Int):
%3 = function_ref @hasThreeCapturesAndTakesArgument : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%4 = partial_apply %3(%0, %1, %2) : $@convention(thin) (Int, @inout_aliasable Int, @inout_aliasable Int, @inout_aliasable Int) -> ()
%5 = convert_function %4 : $@callee_owned (Int) -> () to $@callee_owned (Int) -> @error Error
%6 = move_value %5 : $@callee_owned (Int) -> @error Error
%7 = function_ref @takesGuaranteedNoEscapeClosureTakingArgumentThrowing : $@convention(thin) (@guaranteed @callee_owned (Int) -> @error Error) -> ()
%8 = apply %7(%6) : $@convention(thin) (@guaranteed @callee_owned (Int) -> @error Error) -> ()
destroy_value %6 : $@callee_owned (Int) -> @error Error
%9999 = tuple ()
return %9999 : $()
}
sil @use : $@convention(thin) (@noescape @callee_guaranteed () -> ()) -> ()
sil @subject : $@convention(thin) (Builtin.Int64) -> ()
// CHECK-LABEL: @partial_apply_convert
sil [ossa] @partial_apply_convert : $@convention(thin) () -> () {
entry:
%f = function_ref @subject : $@convention(thin) (Builtin.Int64) -> ()
%z = integer_literal $Builtin.Int64, 0
%e = partial_apply [callee_guaranteed] %f(%z) : $@convention(thin) (Builtin.Int64) -> ()
%b = begin_borrow %e : $@callee_guaranteed () -> ()
%n = convert_escape_to_noescape %b : $@callee_guaranteed () -> () to $@noescape @callee_guaranteed () -> ()
%n2 = mark_dependence %n : $@noescape @callee_guaranteed () -> () on %e : $@callee_guaranteed () -> ()
%f2 = function_ref @use : $@convention(thin) (@noescape @callee_guaranteed () -> ()) -> ()
apply %f2(%n2) : $@convention(thin) (@noescape @callee_guaranteed () -> ()) -> ()
destroy_value %n2 : $@noescape @callee_guaranteed () -> ()
end_borrow %b : $@callee_guaranteed () -> ()
destroy_value %e : $@callee_guaranteed () -> ()
%t = tuple ()
return %t : $()
}
sil [ossa] @asyncIntClosure : $@convention(thin) @async (@inout_aliasable Builtin.Int64) -> (@out Builtin.Int64, @error any Error) {
bb0(%0 : $*Builtin.Int64, %1: $*Builtin.Int64):
%2 = begin_access [modify] [unknown] %0 : $*Builtin.Int64
%3 = load [trivial] %1 : $*Builtin.Int64
assign %3 to %2 : $*Builtin.Int64
end_access %2 : $*Builtin.Int64
%4 = tuple ()
return %4 : $()
}
// CHECK-LABEL: @partial_apply_asynclet
sil [ossa] @partial_apply_asynclet : $@convention(thin) @async (@inout_aliasable Builtin.Int64) -> () {
bb0(%0 : $*Builtin.Int64):
%i = alloc_stack $Builtin.Int64
%p = address_to_pointer %i : $*Builtin.Int64 to $Builtin.RawPointer
%o = enum $Optional<Builtin.RawPointer>, #Optional.none!enumelt
%x = enum $Optional<Builtin.Executor>, #Optional.none!enumelt
%f = function_ref @asyncIntClosure : $@convention(thin) @async (@inout_aliasable Builtin.Int64) -> (@out Builtin.Int64, @error any Error)
%e = partial_apply [callee_guaranteed] %f(%0) : $@convention(thin) @async (@inout_aliasable Builtin.Int64) -> (@out Builtin.Int64, @error any Error)
%a = convert_function %e : $@async @callee_guaranteed () -> (@out Builtin.Int64, @error any Error) to $@async @callee_guaranteed @substituted <τ_0_0> () -> (@sil_sending @out τ_0_0, @error any Error) for <Builtin.Int64>
%n = convert_escape_to_noescape [not_guaranteed] %a : $@async @callee_guaranteed @substituted <τ_0_0> () -> (@sil_sending @out τ_0_0, @error any Error) for <Builtin.Int64> to $@noescape @async @callee_guaranteed @substituted <τ_0_0> () -> (@sil_sending @out τ_0_0, @error any Error) for <Builtin.Int64>
%sl = builtin "startAsyncLetWithLocalBuffer"<Builtin.Int64>(%o : $Optional<Builtin.RawPointer>, %n : $@noescape @async @callee_guaranteed @substituted <τ_0_0> () -> (@sil_sending @out τ_0_0, @error any Error) for <Builtin.Int64>, %p : $Builtin.RawPointer) : $Builtin.RawPointer
%ap = builtin "finishAsyncLet"(%sl, %p) : $()
hop_to_executor %x : $Optional<Builtin.Executor>
%el = builtin "endAsyncLetLifetime"(%sl : $Builtin.RawPointer) : $()
destroy_value %n : $@noescape @async @callee_guaranteed @substituted <τ_0_0> () -> (@sil_sending @out τ_0_0, @error any Error) for <Builtin.Int64>
destroy_value %a : $@async @callee_guaranteed @substituted <τ_0_0> () -> (@sil_sending @out τ_0_0, @error any Error) for <Builtin.Int64>
dealloc_stack %i : $*Builtin.Int64
%t = tuple ()
return %t : $()
}
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