[cxx-interop] Merge synthesized initializer tests into "constructors-silgen".

We no longer synthesize initializers for C++ types so this name no longer makes sense.

Author: zoecarver

test/Interop/Cxx/class/Inputs/constructors.h

@@ -37,3 +37,9 @@ struct HasVirtualBase : public virtual Base {
   HasVirtualBase(ArgType Arg) {}
   int i;
 };
+
+struct EmptyStruct {};
+
+struct IntWrapper {
+  int x;
+};

test/Interop/Cxx/class/Inputs/synthesized-initializers.h

@@ -1,12 +1,58 @@
-// RUN: %target-swift-frontend -I %S/Inputs -enable-cxx-interop -emit-sil %s | %FileCheck %s
+// RUN: %target-swift-frontend -I %S/Inputs -enable-cxx-interop -emit-silgen %s | %FileCheck %s
 
 import Constructors
 
 // The most important thing to test here is that the constructor result is
 // returned with an @out attribute.
+// CHECK-LABEL: sil [ossa] @$s4main24testConstructorWithParamyyF : $@convention(thin) () -> ()
 // CHECK: [[VAR:%[0-9]+]] = alloc_stack $ConstructorWithParam
-// CHECK: [[LITERAL:%[0-9]+]] = integer_literal $Builtin.Int32, 42
-// CHECK: [[INT:%[0-9]+]] = struct $Int32 ([[LITERAL]] : $Builtin.Int32)
+// CHECK: [[LITERAL:%[0-9]+]] = integer_literal $Builtin.IntLiteral, 42
+// CHECK: [[INT:%[0-9]+]] = apply %{{[0-9]+}}([[LITERAL]], %{{[0-9]+}})
 // CHECK: [[FUNC:%[0-9]+]] = function_ref @{{_ZN20ConstructorWithParamC1Ei|\?\?0ConstructorWithParam@@QEAA@H@Z}} : $@convention(c) (Int32) -> @out ConstructorWithParam
 // CHECK: %{{[0-9]+}} = apply [[FUNC]]([[VAR]], [[INT]]) : $@convention(c) (Int32) -> @out ConstructorWithParam
-let _ = ConstructorWithParam(42)
+// CHECK-LABEL: end sil function '$s4main24testConstructorWithParamyyF'
+
+// CHECK-LABEL: sil [clang ConstructorWithParam.init] @{{_ZN20ConstructorWithParamC1Ei|\?\?0ConstructorWithParam@@QEAA@H@Z}} : $@convention(c) (Int32) -> @out ConstructorWithParam
+public func testConstructorWithParam() {
+  let c = ConstructorWithParam(42)
+}
+
+// CHECK-LABEL: sil [ossa] @$s4main18emptyTypeNoArgInityyF : $@convention(thin) () -> ()
+// CHECK: [[AS:%.*]] = alloc_stack $EmptyStruct
+// CHECK: [[FN:%.*]] = function_ref @{{_ZN11EmptyStructC1Ev|\?\?0EmptyStruct@@QEAA@XZ}} : $@convention(c) () -> @out EmptyStruct
+// CHECK: apply [[FN]]([[AS]]) : $@convention(c) () -> @out EmptyStruct
+// CHECK-LABEL: end sil function '$s4main18emptyTypeNoArgInityyF'
+
+// CHECL-LABEL: sil [clang EmptyStruct.init] @{{_ZN11EmptyStructC1Ev|\?\?0EmptyStruct@@QEAA@XZ}} : $@convention(c) () -> @out EmptyStruct
+public func emptyTypeNoArgInit() {
+  let e = EmptyStruct()
+}
+
+// CHECK-LABEL: sil [ossa] @$s4main25singleMemberTypeNoArgInityyF : $@convention(thin) () -> ()
+// CHECK: [[AS:%.*]] = alloc_stack $IntWrapper
+// CHECK: [[FN:%.*]] = function_ref @{{_ZN10IntWrapperC1Ev|\?\?0IntWrapper@@QEAA@XZ}} : $@convention(c) () -> @out IntWrapper
+// CHECK: apply [[FN]]([[AS]]) : $@convention(c) () -> @out IntWrapper
+// CHECK-LABEL: end sil function '$s4main25singleMemberTypeNoArgInityyF'
+
+//CHECK-LABEL: sil [clang IntWrapper.init] @{{_ZN10IntWrapperC1Ev|\?\?0IntWrapper@@QEAA@XZ}} : $@convention(c) () -> @out IntWrapper
+public func singleMemberTypeNoArgInit() {
+  let i = IntWrapper()
+}
+
+// CHECK-LABEL: sil shared [transparent] [serializable] [ossa] @$sSo10IntWrapperV1xABs5Int32V_tcfC : $@convention(method) (Int32, @thin IntWrapper.Type) -> IntWrapper
+// CHECK: bb0([[I:%[0-9]+]] : $Int32, %{{[0-9]+}} : $@thin IntWrapper.Type):
+// CHECK-NEXT: [[S:%.*]] = struct $IntWrapper ([[I]] : $Int32)
+// CHECK-NEXT: return [[S]]
+// CHECK-LABEL: end sil function '$sSo10IntWrapperV1xABs5Int32V_tcfC'
+public func singleMemberTypeValueInit() {
+  let i = IntWrapper(x: 42)
+}
+
+// CHECK-LABEL: sil shared [transparent] [serializable] [ossa] @$sSo25DefaultConstructorDeletedV1aABSpys5Int32VG_tcfC : $@convention(method) (UnsafeMutablePointer<Int32>, @thin DefaultConstructorDeleted.Type) -> DefaultConstructorDeleted
+// CHECK: bb0([[A:%.*]] : $UnsafeMutablePointer<Int32>
+// CHECK-NEXT: [[OUT:%.*]] = struct $DefaultConstructorDeleted ([[A]] : $UnsafeMutablePointer<Int32>)
+// CHECK-NEXT: return [[OUT]] : $DefaultConstructorDeleted
+// CHECK-LABEL:  end sil function '$sSo25DefaultConstructorDeletedV1aABSpys5Int32VG_tcfC'
+public func deletedConstructor(a: UnsafeMutablePointer<Int32>) {
+  let deletedExplicitly = DefaultConstructorDeleted(a: a)
+}