[TextAPI] Reorder addRPath parameters (#87601)

It matches up with other _attribute_ adding member functions and helps
simplify InterfaceFile assignment for InstallAPI.

Author: cyndyishida

llvm/include/llvm/TextAPI/InterfaceFile.h

@@ -299,9 +299,9 @@ class InterfaceFile {
   }
 
   /// Set the runpath search paths.
-  /// \param InputTarget The target applicable to runpath search path.
   /// \param RPath The name of runpath.
-  void addRPath(const Target &InputTarget, StringRef RPath);
+  /// \param InputTarget The target applicable to runpath search path.
+  void addRPath(StringRef RPath, const Target &InputTarget);
 
   /// Get the list of runpath search paths.
   ///

llvm/lib/TextAPI/InterfaceFile.cpp

@@ -54,7 +54,7 @@ void InterfaceFile::addParentUmbrella(const Target &Target_, StringRef Parent) {
   ParentUmbrellas.emplace(Iter, Target_, std::string(Parent));
 }
 
-void InterfaceFile::addRPath(const Target &InputTarget, StringRef RPath) {
+void InterfaceFile::addRPath(StringRef RPath, const Target &InputTarget) {
   if (RPath.empty())
     return;
   using RPathEntryT = const std::pair<Target, std::string>;
@@ -198,9 +198,9 @@ InterfaceFile::merge(const InterfaceFile *O) const {
       IF->addReexportedLibrary(Lib.getInstallName(), Target);
 
   for (const auto &[Target, Path] : rpaths())
-    IF->addRPath(Target, Path);
+    IF->addRPath(Path, Target);
   for (const auto &[Target, Path] : O->rpaths())
-    IF->addRPath(Target, Path);
+    IF->addRPath(Path, Target);
 
   for (const auto *Sym : symbols()) {
     IF->addSymbol(Sym->getKind(), Sym->getName(), Sym->targets(),
@@ -319,7 +319,7 @@ InterfaceFile::extract(Architecture Arch) const {
 
   for (const auto &It : rpaths())
     if (It.first.Arch == Arch)
-      IF->addRPath(It.first, It.second);
+      IF->addRPath(It.second, It.first);
 
   for (const auto &Lib : allowableClients())
     for (const auto &Target : Lib.targets())

llvm/lib/TextAPI/TextStubV5.cpp

@@ -672,7 +672,7 @@ Expected<IFPtr> parseToInterfaceFile(const Object *File) {
       F->addParentUmbrella(Target, Lib);
   for (auto &[Path, Targets] : RPaths)
     for (auto Target : Targets)
-      F->addRPath(Target, Path);
+      F->addRPath(Path, Target);
   for (auto &[Targets, Symbols] : Exports)
     for (auto &Sym : Symbols)
       F->addSymbol(Sym.Kind, Sym.Name, Targets, Sym.Flags);

llvm/unittests/TextAPI/TextStubV5Tests.cpp

@@ -722,7 +722,7 @@ TEST(TBDv5, WriteFile) {
   File.setInstallName("@rpath/S/L/F/Foo.framework/Foo");
   File.setCurrentVersion(PackedVersion(1, 2, 0));
   File.setCompatibilityVersion(PackedVersion(1, 1, 0));
-  File.addRPath(AllTargets[0], "@executable_path/.../Frameworks");
+  File.addRPath("@executable_path/.../Frameworks", AllTargets[0]);
 
   for (const auto &Targ : AllTargets) {
     File.addParentUmbrella(Targ, "System");
@@ -897,7 +897,7 @@ TEST(TBDv5, WriteMultipleDocuments) {
   NestedFile.setTwoLevelNamespace();
   NestedFile.setApplicationExtensionSafe(false);
   NestedFile.setCurrentVersion(PackedVersion(2, 1, 1));
-  NestedFile.addRPath(AllTargets[0], "@executable_path/.../Frameworks");
+  NestedFile.addRPath("@executable_path/.../Frameworks", AllTargets[0]);
   for (const auto &Targ : AllTargets)
     NestedFile.addReexportedLibrary("@rpath/libfoo.dylib", Targ);
   NestedFile.addSymbol(EncodeKind::GlobalSymbol, "_funcFoo", AllTargets,