Revert 75762, 75763, 75766..75769, 75772..75775, 75778, 75780, 75782 to repair broken LLVM-GCC build.
Will revert 75770 in the llvm-gcc trunk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75799 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
index b8a25a6..9721fdc 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
+++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
@@ -37,7 +37,7 @@
   MCContext *Context;
   MCStreamer *Streamer;
  public:
-  explicit X86ATTAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+  explicit X86ATTAsmPrinter(formatted_raw_ostream &O, X86TargetMachine &TM,
                             const TargetAsmInfo *T, bool V)
     : AsmPrinter(O, TM, T, V) {
     Subtarget = &TM.getSubtarget<X86Subtarget>();
diff --git a/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
index 3fad77e..40b24f3 100644
--- a/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
@@ -17,7 +17,6 @@
 #include "X86ATTAsmPrinter.h"
 #include "X86IntelAsmPrinter.h"
 #include "X86Subtarget.h"
-#include "llvm/Target/TargetRegistry.h"
 using namespace llvm;
 
 /// createX86CodePrinterPass - Returns a pass that prints the X86 assembly code
@@ -25,7 +24,7 @@
 /// machine description.
 ///
 FunctionPass *llvm::createX86CodePrinterPass(formatted_raw_ostream &o,
-                                             TargetMachine &tm,
+                                             X86TargetMachine &tm,
                                              bool verbose) {
   const X86Subtarget *Subtarget = &tm.getSubtarget<X86Subtarget>();
 
@@ -46,10 +45,4 @@
 int X86AsmPrinterForceLink = 0;
 
 // Force static initialization.
-extern "C" void LLVMInitializeX86AsmPrinter() { 
-  extern Target TheX86_32Target;
-  TargetRegistry::RegisterAsmPrinter(TheX86_32Target, createX86CodePrinterPass);
-
-  extern Target TheX86_64Target;
-  TargetRegistry::RegisterAsmPrinter(TheX86_64Target, createX86CodePrinterPass);
-}
+extern "C" void LLVMInitializeX86AsmPrinter() { }
diff --git a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
index 603de3e..8872869 100644
--- a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
+++ b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
@@ -25,7 +25,7 @@
 namespace llvm {
 
 struct VISIBILITY_HIDDEN X86IntelAsmPrinter : public AsmPrinter {
-  explicit X86IntelAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+  explicit X86IntelAsmPrinter(formatted_raw_ostream &O, X86TargetMachine &TM,
                               const TargetAsmInfo *T, bool V)
     : AsmPrinter(O, TM, T, V) {}
 
diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h
index 457e18a..ead4ce1 100644
--- a/lib/Target/X86/X86.h
+++ b/lib/Target/X86/X86.h
@@ -47,7 +47,7 @@
 /// using the given target machine description.
 ///
 FunctionPass *createX86CodePrinterPass(formatted_raw_ostream &o,
-                                       TargetMachine &tm,
+                                       X86TargetMachine &tm,
                                        bool Verbose);
 
 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index c640847..40dc18d 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -31,18 +31,13 @@
 int X86TargetMachineModule = 0;
 
 // Register the target.
-extern Target TheX86_32Target;
 static RegisterTarget<X86_32TargetMachine>
-X(TheX86_32Target, "x86",    "32-bit X86: Pentium-Pro and above");
-
-extern Target TheX86_64Target;
+X("x86",    "32-bit X86: Pentium-Pro and above");
 static RegisterTarget<X86_64TargetMachine>
-Y(TheX86_64Target, "x86-64", "64-bit X86: EM64T and AMD64");
+Y("x86-64", "64-bit X86: EM64T and AMD64");
 
 // Force static initialization.
-extern "C" void LLVMInitializeX86Target() { 
-  
-}
+extern "C" void LLVMInitializeX86Target() { }
 
 // No assembler printer by default
 X86TargetMachine::AsmPrinterCtorFn X86TargetMachine::AsmPrinterCtor = 0;
@@ -66,23 +61,78 @@
     }
 }
 
-X86_32TargetMachine::X86_32TargetMachine(const Target &T, const Module &M, 
-                                         const std::string &FS)
-  : X86TargetMachine(T, M, FS, false) {
+unsigned X86_32TargetMachine::getJITMatchQuality() {
+#if defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86)
+  return 10;
+#endif
+  return 0;
+}
+
+unsigned X86_64TargetMachine::getJITMatchQuality() {
+#if defined(__x86_64__) || defined(_M_AMD64)
+  return 10;
+#endif
+  return 0;
+}
+
+unsigned X86_32TargetMachine::getModuleMatchQuality(const Module &M) {
+  // We strongly match "i[3-9]86-*".
+  std::string TT = M.getTargetTriple();
+  if (TT.size() >= 5 && TT[0] == 'i' && TT[2] == '8' && TT[3] == '6' &&
+      TT[4] == '-' && TT[1] - '3' < 6)
+    return 20;
+  // If the target triple is something non-X86, 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;
+}
+
+unsigned X86_64TargetMachine::getModuleMatchQuality(const Module &M) {
+  // We strongly match "x86_64-*".
+  std::string TT = M.getTargetTriple();
+  if (TT.size() >= 7 && TT[0] == 'x' && TT[1] == '8' && TT[2] == '6' &&
+      TT[3] == '_' && TT[4] == '6' && TT[5] == '4' && TT[6] == '-')
+    return 20;
+
+  // We strongly match "amd64-*".
+  if (TT.size() >= 6 && TT[0] == 'a' && TT[1] == 'm' && TT[2] == 'd' &&
+      TT[3] == '6' && TT[4] == '4' && TT[5] == '-')
+    return 20;
+  
+  // If the target triple is something non-X86-64, we don't match.
+  if (!TT.empty()) return 0;
+
+  if (M.getEndianness()  == Module::LittleEndian &&
+      M.getPointerSize() == Module::Pointer64)
+    return 10;                                   // Weak match
+  else if (M.getEndianness() != Module::AnyEndianness ||
+           M.getPointerSize() != Module::AnyPointerSize)
+    return 0;                                    // Match for some other target
+
+  return getJITMatchQuality()/2;
+}
+
+X86_32TargetMachine::X86_32TargetMachine(const Module &M, const std::string &FS)
+  : X86TargetMachine(M, FS, false) {
 }
 
 
-X86_64TargetMachine::X86_64TargetMachine(const Target &T, const Module &M, 
-                                         const std::string &FS)
-  : X86TargetMachine(T, M, FS, true) {
+X86_64TargetMachine::X86_64TargetMachine(const Module &M, const std::string &FS)
+  : X86TargetMachine(M, FS, true) {
 }
 
 /// X86TargetMachine ctor - Create an X86 target.
 ///
-X86TargetMachine::X86TargetMachine(const Target &T, const Module &M, 
-                                   const std::string &FS, bool is64Bit)
-  : LLVMTargetMachine(T), 
-    Subtarget(M, FS, is64Bit),
+X86TargetMachine::X86TargetMachine(const Module &M, const std::string &FS,
+                                   bool is64Bit)
+  : Subtarget(M, FS, is64Bit),
     DataLayout(Subtarget.getDataLayout()),
     FrameInfo(TargetFrameInfo::StackGrowsDown,
               Subtarget.getStackAlignment(), Subtarget.is64Bit() ? -8 : -4),
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index da6811b..ea7a453 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -44,13 +44,12 @@
   // 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,
-                                            TargetMachine &tm,
+                                            X86TargetMachine &tm,
                                             bool verbose);
   static AsmPrinterCtorFn AsmPrinterCtor;
 
 public:
-  X86TargetMachine(const Target &T, const Module &M, const std::string &FS, 
-                   bool is64Bit);
+  X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
 
   virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
@@ -67,6 +66,9 @@
     return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
   }
 
+  static unsigned getModuleMatchQuality(const Module &M);
+  static unsigned getJITMatchQuality();
+
   static void registerAsmPrinter(AsmPrinterCtorFn F) {
     AsmPrinterCtor = F;
   }
@@ -99,7 +101,7 @@
 ///
 class X86_32TargetMachine : public X86TargetMachine {
 public:
-  X86_32TargetMachine(const Target &T, const Module &M, const std::string &FS);
+  X86_32TargetMachine(const Module &M, const std::string &FS);
   
   static unsigned getJITMatchQuality();
   static unsigned getModuleMatchQuality(const Module &M);
@@ -109,7 +111,7 @@
 ///
 class X86_64TargetMachine : public X86TargetMachine {
 public:
-  X86_64TargetMachine(const Target &T, const Module &M, const std::string &FS);
+  X86_64TargetMachine(const Module &M, const std::string &FS);
   
   static unsigned getJITMatchQuality();
   static unsigned getModuleMatchQuality(const Module &M);