Remove unused private fields found by clang's new -Wunused-private-field.

There are some that I didn't remove this round because they looked like
obvious stubs. There are dead variables in gtest too, they should be
fixed upstream.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158090 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/Thumb2ITBlockPass.cpp b/lib/Target/ARM/Thumb2ITBlockPass.cpp
index 3fce121..d54aa93 100644
--- a/lib/Target/ARM/Thumb2ITBlockPass.cpp
+++ b/lib/Target/ARM/Thumb2ITBlockPass.cpp
@@ -24,8 +24,6 @@
 
 namespace {
   class Thumb2ITBlockPass : public MachineFunctionPass {
-    bool PreRegAlloc;
-
   public:
     static char ID;
     Thumb2ITBlockPass() : MachineFunctionPass(ID) {}
diff --git a/lib/Target/MBlaze/MBlazeAsmPrinter.cpp b/lib/Target/MBlaze/MBlazeAsmPrinter.cpp
index 72c3365..7269697 100644
--- a/lib/Target/MBlaze/MBlazeAsmPrinter.cpp
+++ b/lib/Target/MBlaze/MBlazeAsmPrinter.cpp
@@ -187,7 +187,7 @@
 
 //===----------------------------------------------------------------------===//
 void MBlazeAsmPrinter::EmitInstruction(const MachineInstr *MI) {
-  MBlazeMCInstLower MCInstLowering(OutContext, *Mang, *this);
+  MBlazeMCInstLower MCInstLowering(OutContext, *this);
 
   MCInst TmpInst;
   MCInstLowering.Lower(MI, TmpInst);
diff --git a/lib/Target/MBlaze/MBlazeMCInstLower.h b/lib/Target/MBlaze/MBlazeMCInstLower.h
index 7b97744..8ab2c9a 100644
--- a/lib/Target/MBlaze/MBlazeMCInstLower.h
+++ b/lib/Target/MBlaze/MBlazeMCInstLower.h
@@ -21,18 +21,16 @@
   class MachineInstr;
   class MachineModuleInfoMachO;
   class MachineOperand;
-  class Mangler;
 
   /// MBlazeMCInstLower - This class is used to lower an MachineInstr
   /// into an MCInst.
 class LLVM_LIBRARY_VISIBILITY MBlazeMCInstLower {
   MCContext &Ctx;
-  Mangler &Mang;
 
   AsmPrinter &Printer;
 public:
-  MBlazeMCInstLower(MCContext &ctx, Mangler &mang, AsmPrinter &printer)
-    : Ctx(ctx), Mang(mang), Printer(printer) {}
+  MBlazeMCInstLower(MCContext &ctx, AsmPrinter &printer)
+    : Ctx(ctx), Printer(printer) {}
   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
 
   MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
diff --git a/lib/Target/MSP430/MSP430AsmPrinter.cpp b/lib/Target/MSP430/MSP430AsmPrinter.cpp
index 1d1094b..86bc183 100644
--- a/lib/Target/MSP430/MSP430AsmPrinter.cpp
+++ b/lib/Target/MSP430/MSP430AsmPrinter.cpp
@@ -154,7 +154,7 @@
 
 //===----------------------------------------------------------------------===//
 void MSP430AsmPrinter::EmitInstruction(const MachineInstr *MI) {
-  MSP430MCInstLower MCInstLowering(OutContext, *Mang, *this);
+  MSP430MCInstLower MCInstLowering(OutContext, *this);
 
   MCInst TmpInst;
   MCInstLowering.Lower(MI, TmpInst);
diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp
index 4510755..30bc2cc 100644
--- a/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -59,7 +59,7 @@
 
 MSP430TargetLowering::MSP430TargetLowering(MSP430TargetMachine &tm) :
   TargetLowering(tm, new TargetLoweringObjectFileELF()),
-  Subtarget(*tm.getSubtargetImpl()), TM(tm) {
+  Subtarget(*tm.getSubtargetImpl()) {
 
   TD = getTargetData();
 
diff --git a/lib/Target/MSP430/MSP430ISelLowering.h b/lib/Target/MSP430/MSP430ISelLowering.h
index d19d25f..d8ad02f 100644
--- a/lib/Target/MSP430/MSP430ISelLowering.h
+++ b/lib/Target/MSP430/MSP430ISelLowering.h
@@ -169,7 +169,6 @@
                                             SelectionDAG &DAG) const;
 
     const MSP430Subtarget &Subtarget;
-    const MSP430TargetMachine &TM;
     const TargetData *TD;
   };
 } // namespace llvm
diff --git a/lib/Target/MSP430/MSP430InstrInfo.cpp b/lib/Target/MSP430/MSP430InstrInfo.cpp
index c03ba47..be332f0 100644
--- a/lib/Target/MSP430/MSP430InstrInfo.cpp
+++ b/lib/Target/MSP430/MSP430InstrInfo.cpp
@@ -29,7 +29,7 @@
 
 MSP430InstrInfo::MSP430InstrInfo(MSP430TargetMachine &tm)
   : MSP430GenInstrInfo(MSP430::ADJCALLSTACKDOWN, MSP430::ADJCALLSTACKUP),
-    RI(tm, *this), TM(tm) {}
+    RI(tm, *this) {}
 
 void MSP430InstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
                                           MachineBasicBlock::iterator MI,
diff --git a/lib/Target/MSP430/MSP430InstrInfo.h b/lib/Target/MSP430/MSP430InstrInfo.h
index 04f339b..d79f992 100644
--- a/lib/Target/MSP430/MSP430InstrInfo.h
+++ b/lib/Target/MSP430/MSP430InstrInfo.h
@@ -42,7 +42,6 @@
 
 class MSP430InstrInfo : public MSP430GenInstrInfo {
   const MSP430RegisterInfo RI;
-  MSP430TargetMachine &TM;
 public:
   explicit MSP430InstrInfo(MSP430TargetMachine &TM);
 
diff --git a/lib/Target/MSP430/MSP430MCInstLower.h b/lib/Target/MSP430/MSP430MCInstLower.h
index 24151e2..794aa56 100644
--- a/lib/Target/MSP430/MSP430MCInstLower.h
+++ b/lib/Target/MSP430/MSP430MCInstLower.h
@@ -21,18 +21,16 @@
   class MachineInstr;
   class MachineModuleInfoMachO;
   class MachineOperand;
-  class Mangler;
 
   /// MSP430MCInstLower - This class is used to lower an MachineInstr
   /// into an MCInst.
 class LLVM_LIBRARY_VISIBILITY MSP430MCInstLower {
   MCContext &Ctx;
-  Mangler &Mang;
 
   AsmPrinter &Printer;
 public:
-  MSP430MCInstLower(MCContext &ctx, Mangler &mang, AsmPrinter &printer)
-    : Ctx(ctx), Mang(mang), Printer(printer) {}
+  MSP430MCInstLower(MCContext &ctx, AsmPrinter &printer)
+    : Ctx(ctx), Printer(printer) {}
   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
 
   MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index b8c29ac..197b9c6 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -4057,9 +4057,6 @@
       AU.setPreservesCFG();
       MachineFunctionPass::getAnalysisUsage(AU);
     }
-
-   private:
-    unsigned BaseReg;
   };
 }