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// Tests that under -enable-llvm-wme, protocol witness table calls to protocols
// defined by other modules are using thunks (instead of direct wtable loads).
// RUN: %empty-directory(%t)
// RUN: %target-build-swift -Xfrontend -enable-llvm-wme -parse-as-library %s -DLIBRARY -module-name Library -emit-module -o %t/Library.swiftmodule
// RUN: %target-build-swift -Xfrontend -enable-llvm-wme -parse-as-library %s -DCLIENT -module-name Main -I%t -emit-ir -o - | %FileCheck %s
#if LIBRARY
public protocol MyLibraryProtocol {
func library_req()
}
#endif
#if CLIENT
import Library
public protocol MyLocalProtocol {
func local_req()
}
extension MyLocalProtocol {
func func1() {
// CHECK: define hidden swiftcc void @"$s4Main15MyLocalProtocolPAAE5func1yyF"
self.local_req()
// CHECK: [[SLOT:%.*]] = getelementptr inbounds ptr, ptr {{.*}}, i32 1
// CHECK: call { ptr, i1 } @llvm.type.checked.load(ptr [[SLOT]], i32 0, metadata !"$s4Main15MyLocalProtocolP9local_reqyyFTq")
// CHECK: ret void
}
}
extension MyLibraryProtocol {
func func2() {
// CHECK: define hidden swiftcc void @"$s7Library02MyA8ProtocolP4MainE5func2yyF"
self.library_req()
// CHECK: call swiftcc void @"$s7Library02MyA8ProtocolP11library_reqyyFTj"
// CHECK-NOT: @llvm.type.checked.load
// CHECK: ret void
}
}
#endif
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