averello/swift-mirror
1
0
Fork 0
mirror of https://github.com/apple/swift.git synced 2025-12-14 20:36:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

[Test Only] Add a test for correctly querying Clang global variable linkage when using '-clang-target'

Browse Source
This commit is contained in:
Artem Chikin
2025-07-15 13:55:26 -07:00
parent 0f919f1d68
commit a541cabcbf
1 changed files with 69 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
test/SILGen/clang-target-weak-import-globalvar.swift Normal file
View File

@@ -0,0 +1,69 @@
// REQUIRES: objc_interop
// REQUIRES: OS=macosx
// RUN: %empty-directory(%t)
// RUN: %empty-directory(%t/module-cache)
// RUN: %empty-directory(%t/deps)
// RUN: %empty-directory(%t/inputs)
// RUN: split-file %s %t
// - Prepare the explicit input map
// RUN: sed -e "s|INPUTSDIR|%/t/inputs|g" %t/map.json.template > %t/map.json.template1
// RUN: sed -e "s|STDLIBMOD|%/stdlib_module|g" %t/map.json.template1 > %t/map.json.template2
// RUN: sed -e "s|ONONEMOD|%/ononesupport_module|g" %t/map.json.template2 > %t/map.json.template3
// RUN: sed -e "s|CHEADERSDIR|%t/deps|g" %t/map.json.template3 > %t/map.json.template4
// RUN: sed -e "s|SWIFTLIBDIR|%swift-lib-dir|g" %t/map.json.template4 > %t/map.json
// - Set up explicit dependencies for the client
// RUN: %target-swift-emit-pcm -module-name SwiftShims %swift-lib-dir/swift/shims/module.modulemap -o %t/inputs/SwiftShims.pcm -target %target-cpu-apple-macosx26.0 -Xcc -Xclang -Xcc -fbuiltin-headers-in-system-modules
// RUN: %target-swift-emit-pcm -module-name Foo %t/deps/module.modulemap -o %t/inputs/Foo.pcm -target %target-cpu-apple-macosx26.0 -Xcc -Xclang -Xcc -fbuiltin-headers-in-system-modules
// - Build the client
// RUN: %target-swift-frontend -c %t/client.swift -explicit-swift-module-map-file %t/map.json -disable-implicit-swift-modules -disable-implicit-concurrency-module-import -disable-implicit-string-processing-module-import -o %t/client.o -target %target-cpu-apple-macosx15.5 -clang-target %target-cpu-apple-macosx26.0 -Xcc -Xclang -Xcc -fbuiltin-headers-in-system-modules
// - Ensure that the client's code-gen treats 'brandNewInteger' as a weak external symbol
// RUN: %llvm-nm -m %t/client.o | %FileCheck %s
// CHECK: (undefined) weak external _brandNewInteger
//--- deps/Foo.h
__attribute__((availability(macosx,introduced=26.0)))
__attribute__((visibility("default")))
const extern void* __nonnull brandNewInteger;
//--- deps/module.modulemap
module Foo {
header "Foo.h"
export *
}
//--- map.json.template
[
{
"moduleName": "Foo",
"clangModulePath": "INPUTSDIR/Foo.pcm",
"clangModuleMapPath": "CHEADERSDIR/module.modulemap"
},
{
"moduleName": "Swift",
"modulePath": "STDLIBMOD",
"isFramework": false
},
{
"moduleName": "SwiftOnoneSupport",
"modulePath": "ONONEMOD",
"isFramework": false
},
{
"moduleName": "SwiftShims",
"isFramework": false,
"clangModuleMapPath": "SWIFTLIBDIR/swift/shims/module.modulemap",
"clangModulePath": "INPUTSDIR/SwiftShims.pcm"
}]
//--- client.swift
import Foo
func f() {
if #available(macOS 26.0, *) {
print(brandNewInteger)
}
}