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This corresponds to the parameter-passing convention of the Itanium C++ ABI, in which the argument is passed indirectly and possibly modified, but not destroyed, by the callee. @in_cxx is handled the same way as @in in callers and @in_guaranteed in callees. OwnershipModelEliminator emits the call to destroy_addr that is needed to destroy the argument in the caller. rdar://122707697
62 lines
3.2 KiB
Swift
62 lines
3.2 KiB
Swift
// RUN: %target-swift-ide-test -print-module -module-to-print=CxxClassWithNSStringInit -I %S/Inputs -source-filename=x -enable-experimental-cxx-interop -enable-objc-interop | %FileCheck -check-prefix=CHECK-IDE-TEST %s
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// RUN: %target-swift-frontend -I %S/Inputs -enable-experimental-cxx-interop -emit-sil %s -Xcc -fignore-exceptions | %FileCheck --check-prefix=SIL-TRIVIAL %s
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// RUN: %target-swift-frontend -I %S/Inputs -enable-experimental-cxx-interop -emit-sil %s -Xcc -fignore-exceptions -Xcc -DS_NONTRIVIAL_DESTRUCTOR | %FileCheck --check-prefix=SIL-NONTRIVIAL %s
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// RUN: %target-swift-frontend -I %S/Inputs -enable-experimental-cxx-interop -emit-ir %s -Xcc -fignore-exceptions | %FileCheck --check-prefix=IR-TRIVIAL %s
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// RUN: %target-swift-frontend -I %S/Inputs -enable-experimental-cxx-interop -emit-ir %s -Xcc -fignore-exceptions -Xcc -DS_NONTRIVIAL_DESTRUCTOR | %FileCheck --check-prefix=IR-NONTRIVIAL %s
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// REQUIRES: objc_interop
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import Foundation
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import CxxClassWithNSStringInit
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// CHECK-IDE-TEST: struct S {
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// CHECK-IDE-TEST: init()
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// CHECK-IDE-TEST: init(A: NSString?, B: NSString?, C: NSString?)
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// CHECK-IDE-TEST: var A: NSString?
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// CHECK-IDE-TEST: var B: NSString?
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// CHECK-IDE-TEST: var C: NSString?
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// CHECK-IDE-TEST: }
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func testSdump() {
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var foo: NSString? = "foo"
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var bar: NSString? = "bar"
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var baz: NSString? = "baz"
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var s = S(A: foo, B: bar, C: baz)
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s.dump()
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ClassWithNonTrivialDestructorIvar().takesS(s)
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takeSFunc(s)
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}
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testSdump()
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// SIL-TRIVIAL: function_ref @_ZNK1S4dumpEv : $@convention(cxx_method) (@in_guaranteed S) -> ()
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// SIL-TRIVIAL-NEXT: apply %{{.*}}(%{{.*}}) : $@convention(cxx_method) (@in_guaranteed S) -> ()
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// SIL-TRIVIAL: $@convention(objc_method) (@owned S, ClassWithNonTrivialDestructorIvar) -> ()
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// SIL-TRIVIAL-NEXT: apply %{{.*}}(%{{.*}}) : $@convention(objc_method) (@owned S, ClassWithNonTrivialDestructorIvar) -> ()
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// SIL-TRIVIAL: function_ref @_Z9takeSFunc1S : $@convention(c) (@owned S) -> ()
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// SIL-TRIVIAL-NEXT: apply %{{.*}}(%{{.*}}) : $@convention(c) (@owned S) -> ()
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// SIL-NONTRIVIAL: function_ref @_ZNK1S4dumpEv : $@convention(cxx_method) (@in_guaranteed S) -> ()
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// SIL-NONTRIVIAL-NEXT: apply %{{.*}}(%{{.*}}) : $@convention(cxx_method) (@in_guaranteed S) -> ()
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// SIL-NONTRIVIAL: $@convention(objc_method) (@in_cxx S, ClassWithNonTrivialDestructorIvar) -> ()
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// SIL-NONTRIVIAL-NEXT: apply %{{.*}}(%{{.*}}) : $@convention(objc_method) (@in_cxx S, ClassWithNonTrivialDestructorIvar) -> ()
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// SIL-NONTRIVIAL: function_ref @_Z9takeSFunc1S : $@convention(c) (@in_cxx S) -> ()
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// SIL-NONTRIVIAL-NEXT: apply %{{.*}}(%{{.*}}) : $@convention(c) (@in_cxx S) -> ()
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// IR-TRIVIAL-LABEL: define {{.*}} swiftcc void @"$s4main9testSdumpyyF"()
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// IR-TRIVIAL-NOT: @_ZN1SC1ERKS_
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// IR-TRIVIAL: call {{.*}} @_ZNK1S4dumpEv
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// IR-TRIVIAL: call {{.*}} @"$sSo1SVWOh"
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// IR-TRIVIAL-LABEL: define linkonce_odr {{.*}} @"$sSo1SVWOh"(
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// IR-TRIVIAL: @llvm.objc.release
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// IR-TRIVIAL: @llvm.objc.release
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// IR-TRIVIAL: @llvm.objc.release
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// IR-TRIVIAL: }
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// IR-NONTRIVIAL-LABEL: define {{.*}} swiftcc void @"$s4main9testSdumpyyF"()
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// IR-NONTRIVIAL: call {{.*}} @_ZN1SC1ERKS_
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// IR-NONTRIVIAL: call {{.*}} @_ZNK1S4dumpEv
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// IR-NONTRIVIAL: call {{.*}} @_ZN1SD1Ev
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