Kill off unused TargetMachineRegistry methods and ivars.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75774 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Target/TargetMachineRegistry.h

@@ -30,17 +30,10 @@ namespace llvm {
     const Target &TheTarget;
     const char *Name;
     const char *ShortDesc;
-    TargetMachine *(*CtorFn)(const Module &, const std::string &);
-    unsigned (*ModuleMatchQualityFn)(const Module &M);
-    unsigned (*JITMatchQualityFn)();
 
   public:
-    TargetMachineRegistryEntry(const Target &T, const char *N, const char *SD,
-                      TargetMachine *(*CF)(const Module &, const std::string &),
-                               unsigned (*MMF)(const Module &M),
-                               unsigned (*JMF)())
-      : TheTarget(T), Name(N), ShortDesc(SD), CtorFn(CF), 
-        ModuleMatchQualityFn(MMF), JITMatchQualityFn(JMF) {}
+    TargetMachineRegistryEntry(const Target &T, const char *N, const char *SD)
+      : TheTarget(T), Name(N), ShortDesc(SD) {}
   };
 
   template<>
@@ -53,24 +46,15 @@ namespace llvm {
   };
 
   struct TargetMachineRegistry : public Registry<TargetMachine> {
-    /// getClosestStaticTargetForModule - Given an LLVM module, pick the best
-    /// target that is compatible with the module.  If no close target can be
-    /// found, this returns null and sets the Error string to a reason.
-    static const entry *getClosestStaticTargetForModule(const Module &M,
-                                                        std::string &Error);
-
-    /// getClosestTargetForJIT - Pick the best target that is compatible with
-    /// the current host.  If no close target can be found, this returns null
-    /// and sets the Error string to a reason.
-    static const entry *getClosestTargetForJIT(std::string &Error);
 
   };
 
   //===--------------------------------------------------------------------===//
   /// RegisterTarget - This class is used to make targets automatically register
-  /// themselves with the tool they are linked.  Targets should define an
-  /// instance of this and implement the static methods described in the
-  /// TargetMachine comments.
+  /// themselves with the tools they are linked with.  Targets should define an
+  /// single global Target instance and register it using the TargetRegistry
+  /// interfaces. Targets must also include a static instance of this class.
+  ///
   /// The type 'TargetMachineImpl' should provide a constructor with two
   /// parameters:
   /// - const Module& M: the module that is being compiled:
@@ -80,9 +64,7 @@ namespace llvm {
   template<class TargetMachineImpl>
   struct RegisterTarget {
     RegisterTarget(Target &T, const char *Name, const char *ShortDesc)
-      : Entry(T, Name, ShortDesc, &Allocator,
-              &TargetMachineImpl::getModuleMatchQuality,
-              &TargetMachineImpl::getJITMatchQuality),
+      : Entry(T, Name, ShortDesc),
         Node(Entry) {
       TargetRegistry::RegisterTargetMachine(T, &Allocator);
     }

include/llvm/Target/TargetRegistry.h

@@ -49,8 +49,6 @@ namespace llvm {
                                               bool);
 
     friend struct TargetRegistry;
-    // FIXME: Temporary hack, please remove.
-    friend struct TargetMachineRegistry;
 
     /// Next - The next registered target in the linked list, maintained by the
     /// TargetRegistry.