Reapply TargetRegistry refactoring commits.

--- Reverse-merging r75799 into '.':
 U   test/Analysis/PointerTracking
U    include/llvm/Target/TargetMachineRegistry.h
U    include/llvm/Target/TargetMachine.h
U    include/llvm/Target/TargetRegistry.h
U    include/llvm/Target/TargetSelect.h
U    tools/lto/LTOCodeGenerator.cpp
U    tools/lto/LTOModule.cpp
U    tools/llc/llc.cpp
U    lib/Target/PowerPC/PPCTargetMachine.h
U    lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
U    lib/Target/PowerPC/PPCTargetMachine.cpp
U    lib/Target/PowerPC/PPC.h
U    lib/Target/ARM/ARMTargetMachine.cpp
U    lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
U    lib/Target/ARM/ARMTargetMachine.h
U    lib/Target/ARM/ARM.h
U    lib/Target/XCore/XCoreTargetMachine.cpp
U    lib/Target/XCore/XCoreTargetMachine.h
U    lib/Target/PIC16/PIC16TargetMachine.cpp
U    lib/Target/PIC16/PIC16TargetMachine.h
U    lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
U    lib/Target/Alpha/AlphaTargetMachine.cpp
U    lib/Target/Alpha/AlphaTargetMachine.h
U    lib/Target/X86/X86TargetMachine.h
U    lib/Target/X86/X86.h
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
U    lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
U    lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
U    lib/Target/X86/X86TargetMachine.cpp
U    lib/Target/MSP430/MSP430TargetMachine.cpp
U    lib/Target/MSP430/MSP430TargetMachine.h
U    lib/Target/CppBackend/CPPTargetMachine.h
U    lib/Target/CppBackend/CPPBackend.cpp
U    lib/Target/CBackend/CTargetMachine.h
U    lib/Target/CBackend/CBackend.cpp
U    lib/Target/TargetMachine.cpp
U    lib/Target/IA64/IA64TargetMachine.cpp
U    lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
U    lib/Target/IA64/IA64TargetMachine.h
U    lib/Target/IA64/IA64.h
U    lib/Target/MSIL/MSILWriter.cpp
U    lib/Target/CellSPU/SPUTargetMachine.h
U    lib/Target/CellSPU/SPU.h
U    lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
U    lib/Target/CellSPU/SPUTargetMachine.cpp
U    lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
U    lib/Target/Mips/MipsTargetMachine.cpp
U    lib/Target/Mips/MipsTargetMachine.h
U    lib/Target/Mips/Mips.h
U    lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
U    lib/Target/Sparc/SparcTargetMachine.cpp
U    lib/Target/Sparc/SparcTargetMachine.h
U    lib/ExecutionEngine/JIT/TargetSelect.cpp
U    lib/Support/TargetRegistry.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75820 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARM.h b/lib/Target/ARM/ARM.h
index f6ae680..1b5b828 100644
--- a/lib/Target/ARM/ARM.h
+++ b/lib/Target/ARM/ARM.h
@@ -94,7 +94,7 @@
 
 FunctionPass *createARMISelDag(ARMBaseTargetMachine &TM);
 FunctionPass *createARMCodePrinterPass(formatted_raw_ostream &O,
-                                       ARMBaseTargetMachine &TM,
+                                       TargetMachine &TM,
                                        bool Verbose);
 FunctionPass *createARMCodeEmitterPass(ARMBaseTargetMachine &TM,
                                        MachineCodeEmitter &MCE);
diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp
index 932659d..ad80020 100644
--- a/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/lib/Target/ARM/ARMTargetMachine.cpp
@@ -36,8 +36,11 @@
 int ARMTargetMachineModule = 0;
 
 // Register the target.
-static RegisterTarget<ARMTargetMachine>   X("arm",   "ARM");
-static RegisterTarget<ThumbTargetMachine> Y("thumb", "Thumb");
+extern Target TheARMTarget;
+static RegisterTarget<ARMTargetMachine>   X(TheARMTarget, "arm",   "ARM");
+
+extern Target TheThumbTarget;
+static RegisterTarget<ThumbTargetMachine> Y(TheThumbTarget, "thumb", "Thumb");
 
 // Force static initialization.
 extern "C" void LLVMInitializeARMTarget() { }
@@ -45,57 +48,32 @@
 // No assembler printer by default
 ARMBaseTargetMachine::AsmPrinterCtorFn ARMBaseTargetMachine::AsmPrinterCtor = 0;
 
-/// ThumbTargetMachine - Create an Thumb architecture model.
-///
-unsigned ThumbTargetMachine::getJITMatchQuality() {
-#if defined(__thumb__)
-  return 10;
-#endif
-  return 0;
-}
-
-unsigned ThumbTargetMachine::getModuleMatchQuality(const Module &M) {
-  std::string TT = M.getTargetTriple();
-  // Match thumb-foo-bar, as well as things like thumbv5blah-*
-  if (TT.size() >= 6 &&
-      (TT.substr(0, 6) == "thumb-" || TT.substr(0, 6) == "thumbv"))
-    return 20;
-
-  // If the target triple is something non-thumb, we don't match.
-  if (!TT.empty()) return 0;
-
-  if (M.getEndianness()  == Module::LittleEndian &&
-      M.getPointerSize() == Module::Pointer32)
-    return 10;                                   // Weak match
-  else if (M.getEndianness() != Module::AnyEndianness ||
-           M.getPointerSize() != Module::AnyPointerSize)
-    return 0;                                    // Match for some other target
-
-  return getJITMatchQuality()/2;
-}
-
 /// TargetMachine ctor - Create an ARM architecture model.
 ///
-ARMBaseTargetMachine::ARMBaseTargetMachine(const Module &M,
+ARMBaseTargetMachine::ARMBaseTargetMachine(const Target &T,
+                                           const Module &M,
                                            const std::string &FS,
                                            bool isThumb)
-  : Subtarget(M, FS, isThumb),
+  : LLVMTargetMachine(T),
+    Subtarget(M, FS, isThumb),
     FrameInfo(Subtarget),
     JITInfo(),
     InstrItins(Subtarget.getInstrItineraryData()) {
   DefRelocModel = getRelocationModel();
 }
 
-ARMTargetMachine::ARMTargetMachine(const Module &M, const std::string &FS)
-  : ARMBaseTargetMachine(M, FS, false), InstrInfo(Subtarget),
+ARMTargetMachine::ARMTargetMachine(const Target &T, const Module &M, 
+                                   const std::string &FS)
+  : ARMBaseTargetMachine(T, M, FS, false), InstrInfo(Subtarget),
     DataLayout(Subtarget.isAPCS_ABI() ?
                std::string("e-p:32:32-f64:32:32-i64:32:32") :
                std::string("e-p:32:32-f64:64:64-i64:64:64")),
     TLInfo(*this) {
 }
 
-ThumbTargetMachine::ThumbTargetMachine(const Module &M, const std::string &FS)
-  : ARMBaseTargetMachine(M, FS, true),
+ThumbTargetMachine::ThumbTargetMachine(const Target &T, const Module &M, 
+                                       const std::string &FS)
+  : ARMBaseTargetMachine(T, M, FS, true),
     DataLayout(Subtarget.isAPCS_ABI() ?
                std::string("e-p:32:32-f64:32:32-i64:32:32-"
                            "i16:16:32-i8:8:32-i1:8:32-a:0:32") :
@@ -109,32 +87,6 @@
     InstrInfo = new Thumb1InstrInfo(Subtarget);
 }
 
-unsigned ARMTargetMachine::getJITMatchQuality() {
-#if defined(__arm__)
-  return 10;
-#endif
-  return 0;
-}
-
-unsigned ARMTargetMachine::getModuleMatchQuality(const Module &M) {
-  std::string TT = M.getTargetTriple();
-  // Match arm-foo-bar, as well as things like armv5blah-*
-  if (TT.size() >= 4 &&
-      (TT.substr(0, 4) == "arm-" || TT.substr(0, 4) == "armv"))
-    return 20;
-  // If the target triple is something non-arm, we don't match.
-  if (!TT.empty()) return 0;
-
-  if (M.getEndianness()  == Module::LittleEndian &&
-      M.getPointerSize() == Module::Pointer32)
-    return 10;                                   // Weak match
-  else if (M.getEndianness() != Module::AnyEndianness ||
-           M.getPointerSize() != Module::AnyPointerSize)
-    return 0;                                    // Match for some other target
-
-  return getJITMatchQuality()/2;
-}
-
 
 const TargetAsmInfo *ARMBaseTargetMachine::createTargetAsmInfo() const {
   switch (Subtarget.TargetType) {
diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index 56b18ae..3fe259a 100644
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -42,12 +42,13 @@
   // To avoid having target depend on the asmprinter stuff libraries, asmprinter
   // set this functions to ctor pointer at startup time if they are linked in.
   typedef FunctionPass *(*AsmPrinterCtorFn)(formatted_raw_ostream &o,
-                                            ARMBaseTargetMachine &tm,
+                                            TargetMachine &tm,
                                             bool verbose);
   static AsmPrinterCtorFn AsmPrinterCtor;
 
 public:
-  ARMBaseTargetMachine(const Module &M, const std::string &FS, bool isThumb);
+  ARMBaseTargetMachine(const Target &T, const Module &M, const std::string &FS, 
+                       bool isThumb);
 
   virtual const ARMFrameInfo     *getFrameInfo() const { return &FrameInfo; }
   virtual       ARMJITInfo       *getJITInfo()         { return &JITInfo; }
@@ -60,9 +61,6 @@
     AsmPrinterCtor = F;
   }
 
-  static unsigned getModuleMatchQuality(const Module &M);
-  static unsigned getJITMatchQuality();
-
   virtual const TargetAsmInfo *createTargetAsmInfo() const;
 
   // Pass Pipeline Configuration
@@ -99,7 +97,7 @@
   const TargetData    DataLayout;       // Calculates type size & alignment
   ARMTargetLowering   TLInfo;
 public:
-  ARMTargetMachine(const Module &M, const std::string &FS);
+  ARMTargetMachine(const Target &T, const Module &M, const std::string &FS);
 
   virtual const ARMRegisterInfo  *getRegisterInfo() const {
     return &InstrInfo.getRegisterInfo();
@@ -125,7 +123,7 @@
   const TargetData    DataLayout;   // Calculates type size & alignment
   ARMTargetLowering   TLInfo;
 public:
-  ThumbTargetMachine(const Module &M, const std::string &FS);
+  ThumbTargetMachine(const Target &T, const Module &M, const std::string &FS);
 
   /// returns either Thumb1RegisterInfo of Thumb2RegisterInfo
   virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index de6adbd..098f5d3 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -31,6 +31,7 @@
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRegistry.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSet.h"
@@ -1287,7 +1288,7 @@
 /// regardless of whether the function is in SSA form.
 ///
 FunctionPass *llvm::createARMCodePrinterPass(formatted_raw_ostream &o,
-                                             ARMBaseTargetMachine &tm,
+                                             TargetMachine &tm,
                                              bool verbose) {
   return new ARMAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
 }
@@ -1301,4 +1302,8 @@
 }
 
 // Force static initialization.
-extern "C" void LLVMInitializeARMAsmPrinter() { }
+extern "C" void LLVMInitializeARMAsmPrinter() { 
+  extern Target TheARMTarget, TheThumbTarget;
+  TargetRegistry::RegisterAsmPrinter(TheARMTarget, createARMCodePrinterPass);
+  TargetRegistry::RegisterAsmPrinter(TheThumbTarget, createARMCodePrinterPass);
+}