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@_extern is an experimental feature.

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Mark it as such. rdar://132013078
This commit is contained in:
Joe Groff
2024-07-18 08:48:19 -07:00
parent 42c43e6262
commit 51829c17bf
19 changed files with 32 additions and 29 deletions
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3
include/swift/Basic/Features.def
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@@ -185,7 +185,6 @@ BASELINE_LANGUAGE_FEATURE(RetroactiveAttribute, 364, "@retroactive")
BASELINE_LANGUAGE_FEATURE(ExtensionMacroAttr, 0, "@attached(extension)")
BASELINE_LANGUAGE_FEATURE(TypedThrows, 413, "Typed throws")
BASELINE_LANGUAGE_FEATURE(OptionalIsolatedParameters, 420, "Optional isolated parameters")
BASELINE_LANGUAGE_FEATURE(Extern, 0, "@_extern")
BASELINE_LANGUAGE_FEATURE(ExpressionMacroDefaultArguments, 422, "Expression macro as caller-side default argument")
BASELINE_LANGUAGE_FEATURE(BuiltinStoreRaw, 0, "Builtin.storeRaw")
BASELINE_LANGUAGE_FEATURE(BuiltinCreateTask, 0, "Builtin.createTask and Builtin.createDiscardingTask")
@@ -395,6 +394,8 @@ EXPERIMENTAL_FEATURE(ReinitializeConsumeInMultiBlockDefer, false)
EXPERIMENTAL_FEATURE(SE427NoInferenceOnExtension, false)
EXPERIMENTAL_FEATURE(Extern, true)
#undef EXPERIMENTAL_FEATURE_EXCLUDED_FROM_MODULE_INTERFACE
#undef EXPERIMENTAL_FEATURE
#undef UPCOMING_FEATURE

1
lib/AST/FeatureSet.cpp
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@@ -188,6 +188,7 @@ static bool usesFeatureSendingArgsAndResults(Decl *decl) {
UNINTERESTING_FEATURE(DynamicActorIsolation)
UNINTERESTING_FEATURE(NonfrozenEnumExhaustivity)
UNINTERESTING_FEATURE(ClosureIsolation)
UNINTERESTING_FEATURE(Extern)
static bool usesFeatureBitwiseCopyable2(Decl *decl) {
if (!decl->getModuleContext()->isStdlibModule()) {

3
lib/Sema/TypeCheckAttr.cpp
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@@ -2333,7 +2333,8 @@ static bool isCCompatibleFuncDecl(FuncDecl *FD) {
}
void AttributeChecker::visitExternAttr(ExternAttr *attr) {
if (!Ctx.LangOpts.hasFeature(Feature::Extern)) {
if (!Ctx.LangOpts.hasFeature(Feature::Extern)
&& !D->getModuleContext()->isStdlibModule()) {
diagnoseAndRemoveAttr(attr, diag::attr_extern_experimental);
return;
}

4
test/SIL/modules-extern.swift
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@@ -1,8 +1,8 @@
// RUN: %empty-directory(%t)
// RUN: %{python} %utils/split_file.py -o %t %s
// RUN: %target-swift-frontend -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -parse-as-library
// RUN: %target-swift-frontend -c -I %t %t/Main.swift -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -parse-as-library
// RUN: %target-swift-frontend -enable-experimental-feature Extern -c -I %t %t/Main.swift -o %t/a.o
// BEGIN MyModule.swift

2
test/embedded/array-to-pointer.swift
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@@ -1,5 +1,5 @@
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -enable-experimental-feature Embedded -c -o %t/main.o
// RUN: %target-swift-frontend %s -enable-experimental-feature Extern -enable-experimental-feature Embedded -c -o %t/main.o
// RUN: %target-clang -x c -c %S/Inputs/print.c -o %t/print.o
// RUN: %target-clang %t/main.o %t/print.o -o %t/a.out -dead_strip
// RUN: %target-run %t/a.out | %FileCheck %s

2
test/embedded/arrays.swift
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@@ -1,5 +1,5 @@
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -enable-experimental-feature Embedded -c -o %t/main.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern %s -enable-experimental-feature Embedded -c -o %t/main.o
// RUN: %target-clang -x c -c %S/Inputs/print.c -o %t/print.o
// RUN: %target-clang %t/main.o %t/print.o -o %t/a.out -dead_strip
// RUN: %target-run %t/a.out | %FileCheck %s

2
test/embedded/collection.swift
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@@ -1,5 +1,5 @@
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -enable-experimental-feature Embedded -enforce-exclusivity=none %s -c -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -enable-experimental-feature Embedded -enforce-exclusivity=none %s -c -o %t/a.o
// RUN: %target-clang -x c -c %S/Inputs/print.c -o %t/print.o
// RUN: %target-clang %t/a.o %t/print.o -o %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s

2
test/embedded/custom-print.swift
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@@ -1,5 +1,5 @@
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -enable-experimental-feature Embedded -enforce-exclusivity=none %s -c -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -enable-experimental-feature Embedded -enforce-exclusivity=none %s -c -o %t/a.o
// RUN: %target-clang %t/a.o -o %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s

2
test/embedded/dependencies-no-allocations.swift
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@@ -1,5 +1,5 @@
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -enable-experimental-feature Embedded -no-allocations %s -c -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -enable-experimental-feature Embedded -no-allocations %s -c -o %t/a.o
// RUN: grep DEP\: %s | sed 's#// DEP\: ##' | sort > %t/allowed-dependencies.txt

2
test/embedded/dependencies.swift
View File

@@ -1,5 +1,5 @@
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -parse-as-library -enable-experimental-feature Embedded %s -c -o %t/a.o
// RUN: %target-swift-frontend -parse-as-library -enable-experimental-feature Extern -enable-experimental-feature Embedded %s -c -o %t/a.o
// RUN: grep DEP\: %s | sed 's#// DEP\: ##' | sort > %t/allowed-dependencies.txt

6
test/embedded/deserialize-vtables.swift
View File

@@ -1,6 +1,6 @@
// RUN: %target-run-simple-swift(-enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-O -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-Osize -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-enable-experimental-feature Extern -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-O -enable-experimental-feature Extern -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-Osize -enable-experimental-feature Extern -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// REQUIRES: swift_in_compiler
// REQUIRES: executable_test

2
test/embedded/lto.swift
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@@ -1,5 +1,5 @@
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -lto=llvm-full %s -enable-experimental-feature Embedded -emit-bc -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -lto=llvm-full %s -enable-experimental-feature Embedded -emit-bc -o %t/a.o
// RUN: %target-clang %t/a.o -o %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s

4
test/embedded/modules-extern.swift
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@@ -1,8 +1,8 @@
// RUN: %empty-directory(%t)
// RUN: %{python} %utils/split_file.py -o %t %s
// RUN: %target-swift-frontend -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -enable-experimental-feature Embedded -parse-as-library
// RUN: %target-swift-frontend -c -I %t %t/Main.swift -enable-experimental-feature Embedded -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -enable-experimental-feature Embedded -parse-as-library
// RUN: %target-swift-frontend -enable-experimental-feature Extern -c -I %t %t/Main.swift -enable-experimental-feature Embedded -o %t/a.o
// REQUIRES: swift_in_compiler
// REQUIRES: OS=macosx || OS=linux-gnu

4
test/embedded/modules-globals-exec.swift
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@@ -1,8 +1,8 @@
// RUN: %empty-directory(%t)
// RUN: %{python} %utils/split_file.py -o %t %s
// RUN: %target-swift-frontend -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -enable-experimental-feature Embedded -parse-as-library
// RUN: %target-swift-frontend -c -I %t %t/Main.swift -enable-experimental-feature Embedded -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -enable-experimental-feature Embedded -parse-as-library
// RUN: %target-swift-frontend -enable-experimental-feature Extern -c -I %t %t/Main.swift -enable-experimental-feature Embedded -o %t/a.o
// RUN: %target-clang -x c -c %S/Inputs/print.c -o %t/print.o
// RUN: %target-clang %t/a.o %t/print.o -o %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s

4
test/embedded/modules-print-exec.swift
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@@ -1,8 +1,8 @@
// RUN: %empty-directory(%t)
// RUN: %{python} %utils/split_file.py -o %t %s
// RUN: %target-swift-frontend -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -enable-experimental-feature Embedded -parse-as-library
// RUN: %target-swift-frontend -c -I %t %t/Main.swift -enable-experimental-feature Embedded -o %t/a.o
// RUN: %target-swift-frontend -enable-experimental-feature Extern -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -enable-experimental-feature Embedded -parse-as-library
// RUN: %target-swift-frontend -enable-experimental-feature Extern -c -I %t %t/Main.swift -enable-experimental-feature Embedded -o %t/a.o
// RUN: %target-clang -x c -c %S/Inputs/print.c -o %t/print.o
// RUN: %target-clang %t/a.o %t/print.o -o %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s

6
test/embedded/runtime.swift
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@@ -1,6 +1,6 @@
// RUN: %target-run-simple-swift(-enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-O -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-Osize -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-enable-experimental-feature Extern -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-enable-experimental-feature Extern -O -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-enable-experimental-feature Extern -Osize -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// REQUIRES: swift_in_compiler
// REQUIRES: executable_test

2
test/embedded/string-to-pointer.swift
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@@ -1,4 +1,4 @@
// RUN: %target-run-simple-swift(-enable-experimental-feature Embedded -wmo) | %FileCheck %s
// RUN: %target-run-simple-swift(-enable-experimental-feature Extern -enable-experimental-feature Embedded -wmo) | %FileCheck %s
// REQUIRES: swift_in_compiler
// REQUIRES: executable_test

8
test/embedded/traps-multiple-preconditions-ir.swift
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@@ -1,7 +1,7 @@
// RUN: %target-swift-emit-ir -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -O | %FileCheck %s --check-prefix=CHECK-NOMESSAGE
// RUN: %target-swift-emit-ir -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -Osize | %FileCheck %s --check-prefix=CHECK-NOMESSAGE
// RUN: %target-swift-emit-ir -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -O -assert-config Debug | %FileCheck %s --check-prefix=CHECK-MESSAGE
// RUN: %target-swift-emit-ir -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -Osize -assert-config Debug | %FileCheck %s --check-prefix=CHECK-MESSAGE
// RUN: %target-swift-emit-ir -enable-experimental-feature Extern -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -O | %FileCheck %s --check-prefix=CHECK-NOMESSAGE
// RUN: %target-swift-emit-ir -enable-experimental-feature Extern -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -Osize | %FileCheck %s --check-prefix=CHECK-NOMESSAGE
// RUN: %target-swift-emit-ir -enable-experimental-feature Extern -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -O -assert-config Debug | %FileCheck %s --check-prefix=CHECK-MESSAGE
// RUN: %target-swift-emit-ir -enable-experimental-feature Extern -enable-experimental-feature Embedded -wmo -Xllvm -link-embedded-runtime=0 %s -Osize -assert-config Debug | %FileCheck %s --check-prefix=CHECK-MESSAGE
// REQUIRES: swift_in_compiler
// REQUIRES: optimized_stdlib

2
test/embedded/volatile-exec.swift
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@@ -1,4 +1,4 @@
// RUN: %target-run-simple-swift(-parse-as-library -enable-experimental-feature Embedded -wmo -runtime-compatibility-version none) | %FileCheck %s
// RUN: %target-run-simple-swift(-parse-as-library -enable-experimental-feature Extern -enable-experimental-feature Embedded -wmo -runtime-compatibility-version none) | %FileCheck %s
// REQUIRES: swift_in_compiler
// REQUIRES: executable_test