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[concurrency] Implement a compatibility .a library for Concurrency.
In a back deployment scenario, this will provide a place where one could provide function implementations that are not available in the relevant stdlib. This is just setting up for future work and isn't doing anything interesting beyond wiring it up/making sure that it is wired up correctly with tests.
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-6
lines changed

15 files changed

+105
-6
lines changed

‎include/swift/AST/IRGenOptions.h

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@@ -370,6 +370,8 @@ class IRGenOptions {
370370
/// Pull in runtime compatibility shim libraries by autolinking.
371371
Optional<llvm::VersionTuple> AutolinkRuntimeCompatibilityLibraryVersion;
372372
Optional<llvm::VersionTuple> AutolinkRuntimeCompatibilityDynamicReplacementLibraryVersion;
373+
Optional<llvm::VersionTuple>
374+
AutolinkRuntimeCompatibilityConcurrencyLibraryVersion;
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374376
JITDebugArtifact DumpJIT = JITDebugArtifact::None;
375377

‎include/swift/Frontend/BackDeploymentLibs.def

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@@ -27,5 +27,6 @@
2727
BACK_DEPLOYMENT_LIB((5, 0), all, "swiftCompatibility50")
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BACK_DEPLOYMENT_LIB((5, 1), all, "swiftCompatibility51")
2929
BACK_DEPLOYMENT_LIB((5, 0), executable, "swiftCompatibilityDynamicReplacements")
30+
BACK_DEPLOYMENT_LIB((5, 5), all, "swiftCompatibilityConcurrency")
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3132
#undef BACK_DEPLOYMENT_LIB

‎include/swift/Option/Options.td

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@@ -1228,6 +1228,12 @@ def disable_autolinking_runtime_compatibility_dynamic_replacements
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HelpText<"Do not use autolinking for the dynamic replacement runtime "
12291229
"compatibility library">;
12301230

1231+
def disable_autolinking_runtime_compatibility_concurrency
1232+
: Flag<[ "-" ], "disable-autolinking-runtime-compatibility-concurrency">,
1233+
Flags<[ FrontendOption ]>,
1234+
HelpText<"Do not use autolinking for the concurrency runtime "
1235+
"compatibility library">;
1236+
12311237
def emit_symbol_graph: Flag<["-"], "emit-symbol-graph">,
12321238
Flags<[FrontendOption, NoInteractiveOption, SupplementaryOutput, HelpHidden]>,
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HelpText<"Emit a symbol graph">;

‎lib/Driver/DarwinToolChains.cpp

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Original file line numberDiff line numberDiff line change
@@ -409,6 +409,8 @@ toolchains::Darwin::addArgsToLinkStdlib(ArgStringList &Arguments,
409409
runtimeCompatibilityVersion = llvm::VersionTuple(5, 0);
410410
} else if (value.equals("5.1")) {
411411
runtimeCompatibilityVersion = llvm::VersionTuple(5, 1);
412+
} else if (value.equals("5.5")) {
413+
runtimeCompatibilityVersion = llvm::VersionTuple(5, 5);
412414
} else if (value.equals("none")) {
413415
runtimeCompatibilityVersion = None;
414416
} else {

‎lib/Driver/ToolChains.cpp

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -560,7 +560,7 @@ ToolChain::constructInvocation(const CompileJobAction &job,
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options::OPT_disable_autolinking_runtime_compatibility)) {
561561
Arguments.push_back("-disable-autolinking-runtime-compatibility");
562562
}
563-
563+
564564
if (auto arg = context.Args.getLastArg(
565565
options::OPT_runtime_compatibility_version)) {
566566
Arguments.push_back("-runtime-compatibility-version");
@@ -581,6 +581,9 @@ ToolChain::constructInvocation(const CompileJobAction &job,
581581
Arguments,
582582
options::
583583
OPT_disable_autolinking_runtime_compatibility_dynamic_replacements);
584+
context.Args.AddLastArg(
585+
Arguments,
586+
options::OPT_disable_autolinking_runtime_compatibility_concurrency);
584587

585588
if (context.OI.CompilerMode == OutputInfo::Mode::SingleCompile) {
586589
context.Args.AddLastArg(Arguments, options::OPT_emit_symbol_graph);

‎lib/Frontend/CompilerInvocation.cpp

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Original file line numberDiff line numberDiff line change
@@ -1836,6 +1836,8 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
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runtimeCompatibilityVersion = llvm::VersionTuple(5, 0);
18371837
} else if (version.equals("5.1")) {
18381838
runtimeCompatibilityVersion = llvm::VersionTuple(5, 1);
1839+
} else if (version.equals("5.5")) {
1840+
runtimeCompatibilityVersion = llvm::VersionTuple(5, 5);
18391841
} else {
18401842
Diags.diagnose(SourceLoc(), diag::error_invalid_arg_value,
18411843
versionArg->getAsString(Args), version);
@@ -1858,6 +1860,12 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
18581860
getRuntimeCompatVersion();
18591861
}
18601862

1863+
if (!Args.hasArg(
1864+
options::OPT_disable_autolinking_runtime_compatibility_concurrency)) {
1865+
Opts.AutolinkRuntimeCompatibilityConcurrencyLibraryVersion =
1866+
getRuntimeCompatVersion();
1867+
}
1868+
18611869
if (const Arg *A = Args.getLastArg(OPT_num_threads)) {
18621870
if (StringRef(A->getValue()).getAsInteger(10, Opts.NumThreads)) {
18631871
Diags.diagnose(SourceLoc(), diag::error_invalid_arg_value,

‎lib/IRGen/GenDecl.cpp

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Original file line numberDiff line numberDiff line change
@@ -485,6 +485,9 @@ void IRGenModule::emitSourceFile(SourceFile &SF) {
485485
if (libraryName == "swiftCompatibilityDynamicReplacements") {
486486
compatibilityVersion = IRGen.Opts.
487487
AutolinkRuntimeCompatibilityDynamicReplacementLibraryVersion;
488+
} else if (libraryName == "swiftCompatibilityConcurrency") {
489+
compatibilityVersion =
490+
IRGen.Opts.AutolinkRuntimeCompatibilityConcurrencyLibraryVersion;
488491
} else {
489492
compatibilityVersion = IRGen.Opts.
490493
AutolinkRuntimeCompatibilityLibraryVersion;

‎stdlib/cmake/modules/SwiftSource.cmake

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@@ -459,6 +459,7 @@ function(_compile_swift_files
459459
if (SWIFTFILE_IS_STDLIB OR SWIFTFILE_IS_SDK_OVERLAY)
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list(APPEND swift_flags "-runtime-compatibility-version" "none")
461461
list(APPEND swift_flags "-disable-autolinking-runtime-compatibility-dynamic-replacements")
462+
list(APPEND swift_flags "-Xfrontend" "-disable-autolinking-runtime-compatibility-concurrency")
462463
endif()
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464465
if (SWIFTFILE_IS_STDLIB_CORE OR SWIFTFILE_IS_SDK_OVERLAY)

‎stdlib/toolchain/CMakeLists.txt

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@@ -54,3 +54,4 @@ add_subdirectory(legacy_layouts)
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add_subdirectory(Compatibility50)
5555
add_subdirectory(Compatibility51)
5656
add_subdirectory(CompatibilityDynamicReplacements)
57+
add_subdirectory(CompatibilityConcurrency)

‎stdlib/toolchain/CompatibilityConcurrency/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,31 @@
1+
set(library_name "swiftCompatibilityConcurrency")
2+
3+
add_swift_target_library("${library_name}" STATIC
4+
CompatibilityConcurrency.cpp
5+
6+
TARGET_SDKS ${SWIFT_APPLE_PLATFORMS}
7+
8+
C_COMPILE_FLAGS ${CXX_COMPILE_FLAGS}
9+
LINK_FLAGS ${CXX_LINK_FLAGS}
10+
SWIFT_COMPILE_FLAGS ${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
11+
DEPLOYMENT_VERSION_OSX ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_OSX}
12+
DEPLOYMENT_VERSION_IOS ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_IOS}
13+
DEPLOYMENT_VERSION_TVOS ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_TVOS}
14+
DEPLOYMENT_VERSION_WATCHOS ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_WATCHOS}
15+
16+
INSTALL_IN_COMPONENT compiler
17+
INSTALL_WITH_SHARED)
18+
19+
# FIXME: We need a more flexible mechanism to add lipo targets generated by
20+
# add_swift_target_library to the ALL target. Until then this hack is necessary
21+
# to ensure these libraries build.
22+
foreach(sdk ${SWIFT_SDKS})
23+
set(target_name "${library_name}-${SWIFT_SDK_${sdk}_LIB_SUBDIR}")
24+
if(NOT TARGET "${target_name}")
25+
continue()
26+
endif()
27+
28+
set_target_properties("${target_name}"
29+
PROPERTIES
30+
EXCLUDE_FROM_ALL FALSE)
31+
endforeach()

‎stdlib/toolchain/CompatibilityConcurrency/CompatibilityConcurrency.cpp

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@@ -0,0 +1,15 @@
1+
//===--- CompatibilityConcurrency.cpp -------------------------------------===//
2+
//
3+
// This source file is part of the Swift.org open source project
4+
//
5+
// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
6+
// Licensed under Apache License v2.0 with Runtime Library Exception
7+
//
8+
// See https://swift.org/LICENSE.txt for license information
9+
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
10+
//
11+
//===----------------------------------------------------------------------===//
12+
13+
// Allow this library to get force-loaded by autolinking
14+
__attribute__((weak, visibility("hidden"))) extern "C" char
15+
_swift_FORCE_LOAD_$_swiftCompatibilityConcurrency = 0;

‎test/Driver/print_target_info.swift

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@@ -25,6 +25,8 @@
2525
// CHECK-IOS: "libraryName": "swiftCompatibility51",
2626
// CHECK-IOS: "libraryName": "swiftCompatibilityDynamicReplacements"
2727
// CHECK-IOS: "filter": "executable"
28+
// CHECK-IOS: "libraryName": "swiftCompatibilityConcurrency"
29+
// CHECK-IOS: "filter": "all"
2830
// CHECK-IOS: ],
2931
// CHECK-IOS: "librariesRequireRPath": true
3032
// CHECK-IOS: }

‎test/IRGen/autolink-runtime-compatibility.swift

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Original file line numberDiff line numberDiff line change
@@ -1,8 +1,8 @@
11
// REQUIRES: OS=macosx,CPU=x86_64
22

33
// Doesn't autolink compatibility library because autolinking is disabled
4-
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -target %target-cpu-apple-macosx10.9 -disable-autolinking-runtime-compatibility -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
5-
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version 5.0 -disable-autolinking-runtime-compatibility -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
4+
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -target %target-cpu-apple-macosx10.9 -disable-autolinking-runtime-compatibility -disable-autolinking-runtime-compatibility-concurrency -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
5+
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version 5.0 -disable-autolinking-runtime-compatibility -disable-autolinking-runtime-compatibility-concurrency -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
66

77
// Doesn't autolink compatibility library because runtime compatibility library is disabled
88
// RUN: %target-swift-frontend -runtime-compatibility-version none -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
@@ -16,29 +16,49 @@
1616
// Autolinks because compatibility library was explicitly asked for
1717
// RUN: %target-swift-frontend -runtime-compatibility-version 5.0 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=FORCE-LOAD %s
1818
// RUN: %target-swift-frontend -runtime-compatibility-version 5.1 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=FORCE-LOAD-51 %s
19+
// RUN: %target-swift-frontend -runtime-compatibility-version 5.5 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=FORCE-LOAD-55 %s
1920
// RUN: %target-swift-frontend -target %target-cpu-apple-macosx10.24 -runtime-compatibility-version 5.0 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=FORCE-LOAD %s
2021
// RUN: %target-swift-frontend -target %target-cpu-apple-macosx10.24 -runtime-compatibility-version 5.1 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=FORCE-LOAD-51 %s
22+
// RUN: %target-swift-frontend -target %target-cpu-apple-macosx10.24 -runtime-compatibility-version 5.5 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=FORCE-LOAD-55 %s
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2224
public func foo() {}
2325

2426
// NO-FORCE-LOAD-NOT: FORCE_LOAD
2527
// NO-FORCE-LOAD-NOT: !{!"-lswiftCompatibility50"}
2628
// NO-FORCE-LOAD-NOT: !{!"-lswiftCompatibility51"}
2729
// NO-FORCE-LOAD-NOT: !{!"-lswiftCompatibilityDynamicReplacements"}
30+
// NO-FORCE-LOAD-NOT: !{!"-lswiftCompatibilityConcurrency"}
2831

2932
// FORCE-LOAD: declare {{.*}} @"_swift_FORCE_LOAD_$_swiftCompatibility50"
3033
// FORCE-LOAD: declare {{.*}} @"_swift_FORCE_LOAD_$_swiftCompatibilityDynamicReplacements"
34+
// FORCE-LOAD: declare {{.*}} @"_swift_FORCE_LOAD_$_swiftCompatibilityConcurrency"
3135
// FORCE-LOAD-DAG: [[AUTOLINK_SWIFT_COMPAT:![0-9]+]] = !{!"-lswiftCompatibility50"}
3236
// FORCE-LOAD-DAG: !{!"-lswiftCompatibility51"}
3337
// FORCE-LOAD-DAG: !{!"-lswiftCompatibilityDynamicReplacements"}
38+
// FORCE-LOAD-DAG: !{!"-lswiftCompatibilityConcurrency"}
3439
// FORCE-LOAD-DAG: !llvm.linker.options = !{{{.*}}[[AUTOLINK_SWIFT_COMPAT]]{{[,}]}}
3540

3641
// FORCE-LOAD-51-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility50"
3742
// FORCE-LOAD-51-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibilityDynamicReplacements"
38-
// FORCE-LOAD-51: declare {{.*}} @"_swift_FORCE_LOAD_$_swiftCompatibility51"
43+
// FORCE-LOAD-51-DAG: declare {{.*}} @"_swift_FORCE_LOAD_$_swiftCompatibility51"
44+
// FORCE-LOAD-51-DAG: declare {{.*}} @"_swift_FORCE_LOAD_$_swiftCompatibilityConcurrency"
3945
// FORCE-LOAD-51-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility50"
4046
// FORCE-LOAD-51-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibilityDynamicReplacements"
4147
// FORCE-LOAD-51-DAG: [[AUTOLINK_SWIFT_COMPAT:![0-9]+]] = !{!"-lswiftCompatibility51"}
42-
// FORCE-LOAD-51-DAG: !llvm.linker.options = !{{{.*}}[[AUTOLINK_SWIFT_COMPAT]]{{[,}]}}
48+
// FORCE-LOAD-51-DAG: [[AUTOLINK_SWIFT_COMPAT_CONCURRENCY:![0-9]+]] = !{!"-lswiftCompatibilityConcurrency"}
49+
// FORCE-LOAD-51-DAG: !llvm.linker.options = !{{{.*}}[[AUTOLINK_SWIFT_COMPAT]], {{.*}}[[AUTOLINK_SWIFT_COMPAT_CONCURRENCY]]{{[,}]}}
4350
// FORCE-LOAD-51-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility50"
4451
// FORCE-LOAD-51-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibilityDynamicReplacements"
52+
53+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility50"
54+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibilityDynamicReplacements"
55+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility51"
56+
// FORCE-LOAD-55-DAG: declare {{.*}} @"_swift_FORCE_LOAD_$_swiftCompatibilityConcurrency"
57+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility50"
58+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibilityDynamicReplacements"
59+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility51"
60+
// FORCE-LOAD-55-DAG: [[AUTOLINK_SWIFT_COMPAT_CONCURRENCY:![0-9]+]] = !{!"-lswiftCompatibilityConcurrency"}
61+
// FORCE-LOAD-55-DAG: !llvm.linker.options = !{{{.*}}[[AUTOLINK_SWIFT_COMPAT_CONCURRENCY]]{{[,}]}}
62+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility50"
63+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibilityDynamicReplacements"
64+
// FORCE-LOAD-55-NOT: @"_swift_FORCE_LOAD_$_swiftCompatibility51"

‎test/IRGen/unused.sil

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version none -primary-file %s -emit-ir | %FileCheck -check-prefix CHECK -check-prefix NEGATIVE -check-prefix CHECK-%target-object-format %s
1+
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-concurrency -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version none -primary-file %s -emit-ir | %FileCheck -check-prefix CHECK -check-prefix NEGATIVE -check-prefix CHECK-%target-object-format %s
22

33
// REQUIRES: CPU=x86_64
44

‎test/Serialization/autolinking.swift

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Original file line numberDiff line numberDiff line change
@@ -1,12 +1,14 @@
11
// RUN: %empty-directory(%t)
22
// RUN: %target-swift-frontend -emit-module -parse-stdlib -o %t -module-name someModule -module-link-name module %S/../Inputs/empty.swift
33
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version none -emit-ir -lmagic %s -I %t > %t/out.txt
4+
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-concurrency -runtime-compatibility-version none -emit-ir -lmagic %s -I %t > %t/out.txt
45
// RUN: %FileCheck %s < %t/out.txt
56
// RUN: %FileCheck -check-prefix=NO-FORCE-LOAD %s < %t/out.txt
67

78
// RUN: %empty-directory(%t/someModule.framework/Modules/someModule.swiftmodule)
89
// RUN: mv %t/someModule.swiftmodule %t/someModule.framework/Modules/someModule.swiftmodule/%target-swiftmodule-name
910
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version none -emit-ir -lmagic %s -F %t > %t/framework.txt
11+
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-concurrency -runtime-compatibility-version none -emit-ir -lmagic %s -F %t > %t/framework.txt
1012
// RUN: %FileCheck -check-prefix=FRAMEWORK %s < %t/framework.txt
1113
// RUN: %FileCheck -check-prefix=NO-FORCE-LOAD %s < %t/framework.txt
1214

@@ -19,11 +21,13 @@
1921
// RUN: %FileCheck -check-prefix NO-FORCE-LOAD-CLIENT %s < %t/force-load.txt
2022

2123
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version none -emit-ir -parse-stdlib -module-name someModule -module-link-name module %S/../Inputs/empty.swift | %FileCheck --check-prefix=NO-FORCE-LOAD %s
24+
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-concurrency -runtime-compatibility-version none -emit-ir -parse-stdlib -module-name someModule -module-link-name module %S/../Inputs/empty.swift | %FileCheck --check-prefix=NO-FORCE-LOAD %s
2225
// RUN: %target-swift-frontend -runtime-compatibility-version none -emit-ir -parse-stdlib -module-name someModule -module-link-name module %S/../Inputs/empty.swift -autolink-force-load | %FileCheck --check-prefix=FORCE-LOAD %s
2326
// RUN: %target-swift-frontend -runtime-compatibility-version none -emit-ir -parse-stdlib -module-name someModule -module-link-name 0module %S/../Inputs/empty.swift -autolink-force-load | %FileCheck --check-prefix=FORCE-LOAD-HEX %s
2427

2528
// RUN: %target-swift-frontend -emit-module -parse-stdlib -o %t -module-name someModule -module-link-name module %S/../Inputs/empty.swift -public-autolink-library anotherLib
2629
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-dynamic-replacements -runtime-compatibility-version none -emit-ir -lmagic %s -I %t > %t/public-autolink.txt
30+
// RUN: %target-swift-frontend -disable-autolinking-runtime-compatibility-concurrency -runtime-compatibility-version none -emit-ir -lmagic %s -I %t > %t/public-autolink.txt
2731
// RUN: %FileCheck %s < %t/public-autolink.txt
2832
// RUN: %FileCheck -check-prefix=PUBLIC-DEP %s < %t/public-autolink.txt
2933

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