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AST: Don't print @_originallyDefinedIn with same mangling module name

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It doesn't change anything about how we interpret the interface.
This commit is contained in:
Slava Pestov
2025-03-05 17:27:04 -05:00
parent 0155b41b50
commit 57872b13ef
2 changed files with 15 additions and 0 deletions
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7
lib/AST/Attr.cpp
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@@ -1078,6 +1078,13 @@ bool DeclAttribute::printImpl(ASTPrinter &Printer, const PrintOptions &Options,
}
break;
}
case DeclAttrKind::OriginallyDefinedIn: {
auto Attr = cast<OriginallyDefinedInAttr>(this);
auto Name = D->getDeclContext()->getParentModule()->getName().str();
if (Options.IsForSwiftInterface && Attr->ManglingModuleName == Name)
return false;
break;
}
default:
break;
}

8
test/IRGen/backward_deploy_nominal.swift
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@@ -4,6 +4,9 @@
// RUN: %target-swift-frontend -emit-ir -parse-as-library -parse-stdlib %s -module-name Compatibility59 -module-abi-name Swift | %FileCheck %s --check-prefix=CHECK-SHIM
// RUN: %target-swift-frontend -emit-ir -parse-as-library -parse-stdlib %s -module-name Compatibility59 -module-abi-name Swift | %FileCheck %s --check-prefix=ALSO-SHIM
// RUN: %target-swift-emit-module-interface(%t/Swift.swiftinterface) %s -parse-as-library -parse-stdlib -module-name Swift
// RUN: %FileCheck %s --check-prefix=CHECK-INTERFACE < %t/Swift.swiftinterface
// REQUIRES: OS=macosx
// Let's just pretend...
@@ -22,3 +25,8 @@ public struct Fridge<Contents> {}
// The compatibility shim does not have any linker directives.
// ALSO-SHIM-NOT: $ld$hide$
// ALSO-SHIM-NOT: $ld$previous$
// There is no @_originallyDefinedIn in the swiftinterface:
// CHECK-INTERFACE-NOT: @_originallyDefinedIn
// CHECK-INTERFACE: @available(macOS 13, *)
// CHECK-INTERFACE-NEXT: public struct Fridge<Contents> {