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// Tests that under -enable-llvm-vfe, virtual function calls to classes defined
// by other modules are using thunk calls (instead of direct vtable loads).
// RUN: %empty-directory(%t)
// RUN: %target-build-swift -Xfrontend -disable-objc-interop -Xfrontend -enable-llvm-vfe -parse-as-library %s -DLIBRARY -module-name Library -emit-module -o %t/Library.swiftmodule
// RUN: %target-build-swift -Xfrontend -disable-objc-interop -Xfrontend -enable-llvm-vfe -parse-as-library %s -DCLIENT -module-name Main -I%t -emit-ir -o - | %FileCheck %s
// UNSUPPORTED: OS=windows-msvc
#if LIBRARY
public class MyLibraryClass {
public func foo() { }
}
#endif
#if CLIENT
import Library
public class MyLocalClass {
public func bar() { }
}
func func1(o: MyLocalClass) {
// CHECK: define hidden swiftcc void @"$s4Main5func11oyAA12MyLocalClassC_tF"(ptr %0)
o.bar()
// CHECK: [[SLOT:%.*]] = getelementptr inbounds ptr, ptr {{.*}}, {{i64|i32}} {{.*}}
// CHECK: call { ptr, i1 } @llvm.type.checked.load(ptr [[SLOT]], i32 0, metadata !"$s4Main12MyLocalClassC3baryyFTq")
// CHECK: ret void
}
func func2(o: MyLibraryClass) {
// CHECK: define hidden swiftcc void @"$s4Main5func21oy7Library02MyC5ClassC_tF"(ptr %0)
o.foo()
// CHECK: call swiftcc void @"$s7Library02MyA5ClassC3fooyyFTj"
// CHECK-NOT: @llvm.type.checked.load
// CHECK: ret void
}
#endif
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