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In SILGenPattern, we need to be able to unforward cleanups when we explode tuples. Thus we can't use RValue in SILGenPattern since it may implicitly explode tuples (which without modifying RValue itself we can not unforward). This patch removes a specific RValue usage that we can replace with the use of a ManagedValue instead. rdar://49903264
53 lines
1.7 KiB
Swift
53 lines
1.7 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_struct.swiftmodule %S/../Inputs/resilient_struct.swift
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// RUN: %target-swift-emit-silgen -I %t %s | %FileCheck %s
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import resilient_struct
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// CHECK-LABEL: sil hidden [ossa] @$s17switch_resilience29resilientTupleEltCaseEnumTestyyF : $@convention(thin) () -> () {
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// CHECK: bb0:
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// CHECK: [[STACK_SLOT:%.*]] = alloc_stack $Enum
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//
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// CHECK: bb1:
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// CHECK: [[VALUE:%.*]] = unchecked_take_enum_data_addr [[STACK_SLOT]] : $*Enum
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// CHECK: [[STACK_SLOT_COPY:%.*]] = alloc_stack $(url: ResilientRef, void: ()), let, name "value"
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// CHECK: copy_addr [[VALUE]] to [initialization] [[STACK_SLOT_COPY]]
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// CHECK: cond_br {{%.*}}, bb2, bb3
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//
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// CHECK: bb2:
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// CHECK: destroy_addr [[STACK_SLOT_COPY]]
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// CHECK-NEXT: dealloc_stack [[STACK_SLOT_COPY]]
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// CHECK-NEXT: destroy_addr [[VALUE]]
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// CHECK-NEXT: dealloc_stack [[STACK_SLOT]]
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// CHECK-NEXT: br bb4
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//
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// CHECK: bb3:
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// CHECK-NEXT: destroy_addr [[STACK_SLOT_COPY]]
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// CHECK-NEXT: dealloc_stack [[STACK_SLOT_COPY]]
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// CHECK-NEXT: [[REPROJECT:%.*]] = tuple_element_addr [[VALUE]]
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// CHECK: destroy_addr [[REPROJECT]]
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// CHECK-NEXT: dealloc_stack [[STACK_SLOT]]
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// CHECK: br bb4
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//
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// CHECK: } // end sil function '$s17switch_resilience29resilientTupleEltCaseEnumTestyyF'
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func resilientTupleEltCaseEnumTest() {
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enum Enum {
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case first(url: ResilientRef, void: Void)
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}
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func getEnum() -> Enum {
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let url = ResilientRef(r: Referent())
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return .first(url: url, void: ())
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}
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func getBool() -> Bool { return false }
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func urlUser(_ u: ResilientRef) {}
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func kraken() {}
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switch getEnum() {
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case let .first(value) where getBool():
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urlUser(value.0)
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case .first:
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kraken()
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}
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}
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