[Lldb-commits] [lldb] [lldb] Remove unused XcodeSDK::SupportsSwift (NFC) (PR #154572)

[Dave Lee via lldb-commits]

https://github.com/kastiglione created https://github.com/llvm/llvm-project/pull/154572

None

>From 9e56a63771919e53ed7228adab394f61b1d1a5ba Mon Sep 17 00:00:00 2001
From: Dave Lee <davelee.com at gmail.com>
Date: Tue, 19 Aug 2025 21:59:05 -0700
Subject: [PATCH] [lldb] Remove unused XcodeSDK::SupportsSwift (NFC)

---
 lldb/include/lldb/Utility/XcodeSDK.h    |  2 --
 lldb/source/Utility/XcodeSDK.cpp        | 23 -----------------------
 lldb/unittests/Utility/XcodeSDKTest.cpp | 11 -----------
 3 files changed, 36 deletions(-)

diff --git a/lldb/include/lldb/Utility/XcodeSDK.h b/lldb/include/lldb/Utility/XcodeSDK.h
index a1a0ec415b90e..5b345a4965cf9 100644
--- a/lldb/include/lldb/Utility/XcodeSDK.h
+++ b/lldb/include/lldb/Utility/XcodeSDK.h
@@ -86,8 +86,6 @@ class XcodeSDK {
   Type GetType() const;
   llvm::StringRef GetString() const;
   const FileSpec &GetSysroot() const;
-  /// Whether this Xcode SDK supports Swift.
-  bool SupportsSwift() const;
 
   /// Whether LLDB feels confident importing Clang modules from this SDK.
   static bool SDKSupportsModules(Type type, llvm::VersionTuple version);
diff --git a/lldb/source/Utility/XcodeSDK.cpp b/lldb/source/Utility/XcodeSDK.cpp
index eb2047e67c326..2040791882fd0 100644
--- a/lldb/source/Utility/XcodeSDK.cpp
+++ b/lldb/source/Utility/XcodeSDK.cpp
@@ -243,29 +243,6 @@ bool XcodeSDK::SDKSupportsModules(XcodeSDK::Type sdk_type,
   return false;
 }
 
-bool XcodeSDK::SupportsSwift() const {
-  XcodeSDK::Info info = Parse();
-  switch (info.type) {
-  case Type::MacOSX:
-    return info.version.empty() || info.version >= llvm::VersionTuple(10, 10);
-  case Type::iPhoneOS:
-  case Type::iPhoneSimulator:
-    return info.version.empty() || info.version >= llvm::VersionTuple(8);
-  case Type::AppleTVSimulator:
-  case Type::AppleTVOS:
-    return info.version.empty() || info.version >= llvm::VersionTuple(9);
-  case Type::WatchSimulator:
-  case Type::watchOS:
-    return info.version.empty() || info.version >= llvm::VersionTuple(2);
-  case Type::XROS:
-  case Type::XRSimulator:
-  case Type::Linux:
-    return true;
-  default:
-    return false;
-  }
-}
-
 bool XcodeSDK::SDKSupportsModules(XcodeSDK::Type desired_type,
                                   const FileSpec &sdk_path) {
   ConstString last_path_component = sdk_path.GetFilename();
diff --git a/lldb/unittests/Utility/XcodeSDKTest.cpp b/lldb/unittests/Utility/XcodeSDKTest.cpp
index 4db6a50fcf860..de9f91a04d53e 100644
--- a/lldb/unittests/Utility/XcodeSDKTest.cpp
+++ b/lldb/unittests/Utility/XcodeSDKTest.cpp
@@ -102,17 +102,6 @@ TEST(XcodeSDKTest, SDKSupportsModules) {
 }
 #endif
 
-TEST(XcodeSDKTest, SDKSupportsSwift) {
-  EXPECT_TRUE(XcodeSDK("iPhoneSimulator12.0.sdk").SupportsSwift());
-  EXPECT_TRUE(XcodeSDK("iPhoneSimulator12.0.Internal.sdk").SupportsSwift());
-  EXPECT_FALSE(XcodeSDK("iPhoneSimulator7.2.sdk").SupportsSwift());
-  EXPECT_TRUE(XcodeSDK("MacOSX10.10.sdk").SupportsSwift());
-  EXPECT_FALSE(XcodeSDK("MacOSX10.9.sdk").SupportsSwift());
-  EXPECT_TRUE(XcodeSDK("Linux.sdk").SupportsSwift());
-  EXPECT_TRUE(XcodeSDK("MacOSX.sdk").SupportsSwift());
-  EXPECT_FALSE(XcodeSDK("EverythingElse.sdk").SupportsSwift());
-}
-
 TEST(XcodeSDKTest, GetCanonicalNameAndConstruct) {
   XcodeSDK::Info info;
   info.type = XcodeSDK::Type::MacOSX;