Driver: remove `SupportsObjCGC` (NFC)

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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@318609 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 0 insertions, 12 deletions

diff --git a/lib/Driver/ToolChains/BareMetal.h b/lib/Driver/ToolChains/BareMetal.h
index 5e9fd9bffd..0bed63332c 100644
--- a/lib/Driver/ToolChains/BareMetal.h
+++ b/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/lib/Driver/ToolChains/Cuda.h b/lib/Driver/ToolChains/Cuda.h
index 3101cb3ab7..23cca03eb2 100644
--- a/lib/Driver/ToolChains/Cuda.h
+++ b/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/lib/Driver/ToolChains/Darwin.cpp b/lib/Driver/ToolChains/Darwin.cpp
index 39c4525f84..5dc8a91bcf 100644
--- a/lib/Driver/ToolChains/Darwin.cpp
+++ b/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/lib/Driver/ToolChains/Darwin.h b/lib/Driver/ToolChains/Darwin.h
index bcc76111a4..2b8477aa27 100644
--- a/lib/Driver/ToolChains/Darwin.h
+++ b/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/lib/Driver/ToolChains/WebAssembly.cpp b/lib/Driver/ToolChains/WebAssembly.cpp
index b57989ce45..1464c150c9 100644
--- a/lib/Driver/ToolChains/WebAssembly.cpp
+++ b/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/lib/Driver/ToolChains/WebAssembly.h b/lib/Driver/ToolChains/WebAssembly.h
index 2999db477f..7524361d51 100644
--- a/lib/Driver/ToolChains/WebAssembly.h
+++ b/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,