Driver: remove `SupportsObjCGC` (NFC)

This option is not used in the frontend.  Remove the method.

llvm-svn: 318609

diff --git a/clang/include/clang/Driver/ToolChain.h b/clang/include/clang/Driver/ToolChain.h
index 51ff2b2..943ec4a 100644 (file)
--- a/clang/include/clang/Driver/ToolChain.h
+++ b/clang/include/clang/Driver/ToolChain.h
@@ -366,9 +366,6 @@ public:
   /// SupportsProfiling - Does this tool chain support -pg.
   virtual bool SupportsProfiling() const { return true; }
 
-  /// Does this tool chain support Objective-C garbage collection.
-  virtual bool SupportsObjCGC() const { return true; }
-
   /// Complain if this tool chain doesn't support Objective-C ARC.
   virtual void CheckObjCARC() const {}
 

diff --git a/clang/lib/Driver/ToolChains/BareMetal.h b/clang/lib/Driver/ToolChains/BareMetal.h
index 5e9fd9b..0bed633 100644 (file)
--- a/clang/lib/Driver/ToolChains/BareMetal.h
+++ b/clang/lib/Driver/ToolChains/BareMetal.h
@@ -37,7 +37,6 @@ public:
   bool isPIEDefault() const override { return false; }
   bool isPICDefaultForced() const override { return false; }
   bool SupportsProfiling() const override { return false; }
-  bool SupportsObjCGC() const override { return false; }
 
   RuntimeLibType GetDefaultRuntimeLibType() const override {
     return ToolChain::RLT_CompilerRT;

diff --git a/clang/lib/Driver/ToolChains/Cuda.h b/clang/lib/Driver/ToolChains/Cuda.h
index 3101cb3..23cca03 100644 (file)
--- a/clang/lib/Driver/ToolChains/Cuda.h
+++ b/clang/lib/Driver/ToolChains/Cuda.h
@@ -156,7 +156,6 @@ public:
   bool isPIEDefault() const override { return false; }
   bool isPICDefaultForced() const override { return false; }
   bool SupportsProfiling() const override { return false; }
-  bool SupportsObjCGC() const override { return false; }
   bool IsMathErrnoDefault() const override { return false; }
 
   void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,

diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index 39c4525..5dc8a91 100644 (file)
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -2041,8 +2041,6 @@ void Darwin::addStartObjectFileArgs(const ArgList &Args,
   }
 }
 
-bool Darwin::SupportsObjCGC() const { return isTargetMacOS(); }
-
 void Darwin::CheckObjCARC() const {
   if (isTargetIOSBased() || isTargetWatchOSBased() ||
       (isTargetMacOS() && !isMacosxVersionLT(10, 6)))

diff --git a/clang/lib/Driver/ToolChains/Darwin.h b/clang/lib/Driver/ToolChains/Darwin.h
index bcc7611..2b8477a 100644 (file)
--- a/clang/lib/Driver/ToolChains/Darwin.h
+++ b/clang/lib/Driver/ToolChains/Darwin.h
@@ -245,8 +245,6 @@ public:
 
   bool SupportsProfiling() const override;
 
-  bool SupportsObjCGC() const override { return false; }
-
   bool UseDwarfDebugFlags() const override;
 
   bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override {
@@ -455,8 +453,6 @@ public:
     return 0;
   }
 
-  bool SupportsObjCGC() const override;
-
   void CheckObjCARC() const override;
 
   bool UseSjLjExceptions(const llvm::opt::ArgList &Args) const override;

diff --git a/clang/lib/Driver/ToolChains/WebAssembly.cpp b/clang/lib/Driver/ToolChains/WebAssembly.cpp
index b57989c..1464c15 100644 (file)
--- a/clang/lib/Driver/ToolChains/WebAssembly.cpp
+++ b/clang/lib/Driver/ToolChains/WebAssembly.cpp
@@ -98,9 +98,6 @@ bool WebAssembly::isPICDefaultForced() const { return false; }
 
 bool WebAssembly::IsIntegratedAssemblerDefault() const { return true; }
 
-// TODO: Support Objective C stuff.
-bool WebAssembly::SupportsObjCGC() const { return false; }
-
 bool WebAssembly::hasBlocksRuntime() const { return false; }
 
 // TODO: Support profiling.

diff --git a/clang/lib/Driver/ToolChains/WebAssembly.h b/clang/lib/Driver/ToolChains/WebAssembly.h
index 2999db4..7524361 100644 (file)
--- a/clang/lib/Driver/ToolChains/WebAssembly.h
+++ b/clang/lib/Driver/ToolChains/WebAssembly.h
@@ -49,7 +49,6 @@ private:
   bool isPICDefaultForced() const override;
   bool IsIntegratedAssemblerDefault() const override;
   bool hasBlocksRuntime() const override;
-  bool SupportsObjCGC() const override;
   bool SupportsProfiling() const override;
   bool HasNativeLLVMSupport() const override;
   void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,