mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
de10b4155e
Fixes https://github.com/apple/swift/issues/66324 Note: move semantics for Swift value types are not yet supported in C++
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
// RUN: %empty-directory(%t)
|
|
|
|
// RUN: %target-swift-frontend %S/large-structs-pass-return-indirect-in-cxx.swift -typecheck -module-name Structs -clang-header-expose-decls=all-public -emit-clang-header-path %t/structs.h
|
|
|
|
// Link should fail by default when a move is
|
|
// performed in C++.
|
|
// RUN: %target-interop-build-clangxx -c %s -I %t -o %t/swift-structs-execution.o
|
|
// RUN: not %target-interop-build-swift %S/large-structs-pass-return-indirect-in-cxx.swift -o %t/swift-structs-execution -Xlinker %t/swift-structs-execution.o -module-name Structs -Xfrontend -entry-point-function-name -Xfrontend swiftMain 2>&1 | %FileCheck --check-prefix=LINK %s
|
|
|
|
// LINK: fatalError_Cxx_move_of_Swift_value_type_not_supported_yet
|
|
|
|
// Compile should fail by default when move assignment is attempted in C++:
|
|
|
|
// RUN: not %target-interop-build-clangxx -c %s -I %t -o %t/swift-structs-execution.o -DMOVE_ASSIGN 2>&1 | %FileCheck --check-prefix=MOVEASSIGN %s
|
|
|
|
// Fallback to abort at runtime:
|
|
|
|
// RUN: %target-interop-build-clangxx -c %s -I %t -o %t/swift-structs-execution.o -DLINKS
|
|
// RUN: %target-interop-build-swift %S/large-structs-pass-return-indirect-in-cxx.swift -o %t/swift-structs-execution -Xlinker %t/swift-structs-execution.o -module-name Structs -Xfrontend -entry-point-function-name -Xfrontend swiftMain 2>&1
|
|
|
|
// RUN: %target-codesign %t/swift-structs-execution
|
|
// RUN: %target-run %t/swift-structs-execution 2>%t/output || true
|
|
// RUN: cat %t/output | %FileCheck %s
|
|
|
|
// REQUIRES: executable_test
|
|
|
|
#include <assert.h>
|
|
#include "structs.h"
|
|
#include <memory>
|
|
|
|
#ifdef LINKS
|
|
extern "C" void _fatalError_Cxx_move_of_Swift_value_type_not_supported_yet() {
|
|
|
|
}
|
|
#endif
|
|
|
|
int main() {
|
|
using namespace Structs;
|
|
|
|
auto x = returnNewStructSeveralI64(42);
|
|
#ifdef MOVE_ASSIGN
|
|
auto y = returnNewStructSeveralI64(24);
|
|
x = std::move(y);
|
|
// MOVEASSIGN: deleted operator '='
|
|
#else
|
|
StructSeveralI64 x2 = std::move(x);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
// CHECK: C++ does not support moving a Swift value yet
|