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I am doing this separately from the actual change to eliminate the option to make it easier to review.
33 lines
1.2 KiB
Swift
33 lines
1.2 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -enforce-exclusivity=none -emit-sil -Onone %s -o %t/Onone.sil
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// RUN: %target-sil-opt %t/Onone.sil -inline -o %t/inlined.sil
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// RUN: %FileCheck %s --check-prefix=INLINE < %t/inlined.sil
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// RUN: %target-sil-opt -enable-sil-verify-all %t/inlined.sil -enforce-exclusivity=unchecked -diagnose-static-exclusivity -o /dev/null
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public protocol SomeP {
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var someV: Int { get set }
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}
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public func assignNonConflict(_ p: inout SomeP) {
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p.someV = p.someV
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}
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struct Some : SomeP {
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var someV = 0
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}
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// After inlining we have nested access to an existential property.
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// The other access passes the existential @inout.
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//
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// The passed argument is accessed again inside assignNonConflict to unwrap the
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// existential.
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//
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// INLINE-LABEL: $s5Onone16testNestedAccessyyF
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// INLINE: [[OUTER:%.*]] = begin_access [modify] [static] %0 : $*SomeP
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// INLINE: [[INNERREAD:%.*]] = begin_access [read] [static] [[OUTER]] : $*SomeP
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// INLINE: [[INNERMOD:%.*]] = begin_access [modify] [static] [[OUTER]] : $*SomeP
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// INLINE: %{{.*}} = open_existential_addr mutable_access [[INNERMOD]] : $*SomeP to $*@opened("{{.*}}") SomeP
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//
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public func testNestedAccess() {
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var s: SomeP = Some()
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assignNonConflict(&s)
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}
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