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/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 3c2693b..1e6add4 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -28,12 +28,8 @@
 int MipsTargetMachineModule = 0;
 
 // Register the target.
-extern Target TheMipsTarget;
-static RegisterTarget<MipsTargetMachine>    X(TheMipsTarget, "mips", "Mips");
-
-extern Target TheMipselTarget;
-static RegisterTarget<MipselTargetMachine>  Y(TheMipselTarget, "mipsel", 
-                                              "Mipsel");
+static RegisterTarget<MipsTargetMachine>    X("mips", "Mips");
+static RegisterTarget<MipselTargetMachine>  Y("mipsel", "Mipsel");
 
 MipsTargetMachine::AsmPrinterCtorFn MipsTargetMachine::AsmPrinterCtor = 0;
 
@@ -55,9 +51,7 @@
 // an easier handling.
 // Using CodeModel::Large enables different CALL behavior.
 MipsTargetMachine::
-MipsTargetMachine(const Target &T, const Module &M, const std::string &FS, 
-                  bool isLittle=false):
-  LLVMTargetMachine(T),
+MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle=false):
   Subtarget(*this, M, FS, isLittle), 
   DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32") :
                         std::string("E-p:32:32:32-i8:8:32-i16:16:32")), 
@@ -76,8 +70,43 @@
 }
 
 MipselTargetMachine::
-MipselTargetMachine(const Target &T, const Module &M, const std::string &FS) :
-  MipsTargetMachine(T, M, FS, true) {}
+MipselTargetMachine(const Module &M, const std::string &FS) :
+  MipsTargetMachine(M, FS, true) {}
+
+// return 0 and must specify -march to gen MIPS code.
+unsigned MipsTargetMachine::
+getModuleMatchQuality(const Module &M) 
+{
+  // We strongly match "mips*-*".
+  std::string TT = M.getTargetTriple();
+  if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "mips-")
+    return 20;
+  
+  if (TT.size() >= 13 && std::string(TT.begin(), 
+      TT.begin()+13) == "mipsallegrex-")
+    return 20;
+
+  return 0;
+}
+
+// return 0 and must specify -march to gen MIPSEL code.
+unsigned MipselTargetMachine::
+getModuleMatchQuality(const Module &M) 
+{
+  // We strongly match "mips*el-*".
+  std::string TT = M.getTargetTriple();
+  if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-")
+    return 20;
+
+  if (TT.size() >= 15 && std::string(TT.begin(), 
+      TT.begin()+15) == "mipsallegrexel-")
+    return 20;
+
+  if (TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "psp")
+    return 20;
+  
+  return 0;
+}
 
 // Install an instruction selector pass using 
 // the ISelDag to gen Mips code.