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0a734c2a62
This PR contains changes that ensure the following:
* Global accessor linkage is kept hidden if its decl is resilient.
- LinkageLimit::Never is returned for Global Accessor if its decl is resilient.
- Since it's kept hidden, the use site should not expect a call to a global accessor
if the static var decl being accessed is resilient. The bypassing resilience logic
in AbstractStorageDecl::isResilient(accessingModule, decl) has been removed; to be
addressed in Package CMO optimization pass.
* sil_global linkage is kept private if its decl is resilient.
Resolves rdar://129829925
55 lines
2.9 KiB
Swift
55 lines
2.9 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: %target-build-swift -module-name=Lib -package-name Pkg -I%t -emit-silgen %t/Lib.swift -o %t/Lib-nonres.sil
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// RUN: %FileCheck %s --check-prefix=CHECK-NONRES < %t/Lib-nonres.sil
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// RUN: %target-build-swift -module-name=Lib -package-name Pkg -I%t -emit-silgen -O -wmo %t/Lib.swift | %FileCheck %s --check-prefix=CHECK-NONRES
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// RUN: %target-build-swift -module-name=Lib -package-name Pkg -I%t -emit-silgen %t/Lib.swift -enable-library-evolution -o %t/Lib-res.sil
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// RUN: %FileCheck %s < %t/Lib-res.sil
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// RUN: %target-build-swift -module-name=Lib -package-name Pkg -I%t -emit-silgen %t/Lib.swift -enable-library-evolution -O -wmo | %FileCheck %s
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// RUN: %target-build-swift -module-name=Lib -package-name Pkg -I%t -emit-silgen %t/Lib.swift -enable-library-evolution -Xfrontend -experimental-allow-non-resilient-access -Xfrontend -experimental-package-cmo -O -wmo | %FileCheck %s
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// RUN: %target-build-swift -module-name=Lib -package-name Pkg -I%t -emit-module %t/Lib.swift -enable-library-evolution -Xfrontend -experimental-allow-non-resilient-access -Xfrontend -experimental-package-cmo -O -wmo -o %t/Lib.swiftmodule
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// RUN: %target-build-swift -module-name=Client -package-name Pkg -I%t -emit-silgen %t/Client.swift -I %t | %FileCheck %s --check-prefix=CHECK-CLIENT
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//--- Client.swift
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import Lib
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public func client() {
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/// Should not be calling S.x.unsafeMutableAddressor when accessing resilient global var;
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/// instead, should be calling the opaque getter.
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// CHECK-CLIENT-NOT: s3Lib1SV1xSSvau
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// CHECK-CLIENT: function_ref @$s3Lib1SV1xSSvgZ
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print(S.x)
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}
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//--- Lib.swift
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public struct S {
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public static var x = "hello world"
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}
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// one-time initialization token for x
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// CHECK-NONRES: sil_global private @$s3Lib1SV1x_Wz : $Builtin.Word
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// CHECK: sil_global private @$s3Lib1SV1x_Wz : $Builtin.Word
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// static S.x
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// CHECK-NONRES: sil_global @$s3Lib1SV1xSSvpZ : $String
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// CHECK: sil_global private @$s3Lib1SV1xSSvpZ : $String
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// one-time initialization function for x
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// CHECK-NONRES: sil private [global_init_once_fn] [ossa] @$s3Lib1SV1x_WZ : $@convention(c) (Builtin.RawPointer) -> () {
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// CHECK: sil private [global_init_once_fn] [ossa] @$s3Lib1SV1x_WZ : $@convention(c) (Builtin.RawPointer) -> () {
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// S.x.unsafeMutableAddressor
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// CHECK-NONRES: sil [global_init] [ossa] @$s3Lib1SV1xSSvau : $@convention(thin) () -> Builtin.RawPointer {
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// CHECK: sil hidden [global_init] [ossa] @$s3Lib1SV1xSSvau : $@convention(thin) () -> Builtin.RawPointer {
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// CHECK: global_addr @$s3Lib1SV1x_Wz
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// CHECK: address_to_pointer
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// function_ref one-time initialization function for x
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// CHECK: function_ref @$s3Lib1SV1x_WZ
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// CHECK: global_addr @$s3Lib1SV1xSSvpZ
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// CHECK: address_to_pointer
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// static S.x.getter
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// CHECK-NONRES: sil [transparent] [serialized] [ossa] @$s3Lib1SV1xSSvgZ : $@convention(method) (@thin S.Type) -> @owned String {
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// CHECK: sil [ossa] @$s3Lib1SV1xSSvgZ : $@convention(method) (@thin S.Type) -> @owned String {
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