Remove some not-really-used variables, as warned
about by icc (#593, partial).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81115 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/Thumb2SizeReduction.cpp b/lib/Target/ARM/Thumb2SizeReduction.cpp
index c95b4c0..0784fbe 100644
--- a/lib/Target/ARM/Thumb2SizeReduction.cpp
+++ b/lib/Target/ARM/Thumb2SizeReduction.cpp
@@ -262,7 +262,6 @@
   bool HasImmOffset = false;
   bool HasShift = false;
   bool isLdStMul = false;
-  bool isPopPush = false;
   unsigned Opc = Entry.NarrowOpc1;
   unsigned OpNum = 3; // First 'rest' of operands.
   switch (Entry.WideOpc) {
@@ -301,7 +300,6 @@
     unsigned Mode = MI->getOperand(1).getImm();
     if (BaseReg == ARM::SP && ARM_AM::getAM4WBFlag(Mode)) {
       Opc = Entry.NarrowOpc2;
-      isPopPush = true;
       OpNum = 2;
     } else if (Entry.WideOpc == ARM::t2LDM_RET ||
                !isARMLowRegister(BaseReg) ||
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 69c02ac..2a3ca46 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2876,7 +2876,6 @@
 
   SmallVector<SDValue, 8> MemOpChains;
   for (unsigned i = 0; i != NumOps; ++i) {
-    bool inMem = false;
     SDValue Arg = Outs[i].Val;
     ISD::ArgFlagsTy Flags = Outs[i].Flags;
 
@@ -2963,7 +2962,6 @@
         LowerMemOpCallTo(DAG, MF, Chain, Arg, PtrOff, SPDiff, ArgOffset,
                          isPPC64, isTailCall, false, MemOpChains,
                          TailCallArguments, dl);
-        inMem = true;
       }
       ArgOffset += PtrByteSize;
       break;
@@ -3003,7 +3001,6 @@
         LowerMemOpCallTo(DAG, MF, Chain, Arg, PtrOff, SPDiff, ArgOffset,
                          isPPC64, isTailCall, false, MemOpChains,
                          TailCallArguments, dl);
-        inMem = true;
       }
       if (isPPC64)
         ArgOffset += 8;
diff --git a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
index e3bbc8d..019ee29 100644
--- a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
+++ b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
@@ -119,7 +119,6 @@
   raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "JTI"
     << getFunctionNumber() << '_' << MO.getIndex();
   
-  MCSymbol *NegatedSymbol = 0;
   switch (MO.getTargetFlags()) {
   default:
     llvm_unreachable("Unknown target flag on GV operand");
@@ -129,7 +128,7 @@
   case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE:
     break;
     // Subtract the pic base.
-    NegatedSymbol = GetPICBaseSymbol();
+    GetPICBaseSymbol();
     break;
   }
   
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 34e53f0..d2517a2 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5198,10 +5198,9 @@
   DebugLoc dl = Op.getDebugLoc();
   EVT VT = Op.getValueType();
   EVT EltVT = VT;
-  unsigned EltNum = 1;
   if (VT.isVector()) {
     EltVT = VT.getVectorElementType();
-    EltNum = VT.getVectorNumElements();
+    VT.getVectorNumElements();
   }
   std::vector<Constant*> CV;
   if (EltVT == MVT::f64) {
diff --git a/lib/Target/XCore/XCoreRegisterInfo.cpp b/lib/Target/XCore/XCoreRegisterInfo.cpp
index 8fbcb51..4c92026 100644
--- a/lib/Target/XCore/XCoreRegisterInfo.cpp
+++ b/lib/Target/XCore/XCoreRegisterInfo.cpp
@@ -226,7 +226,6 @@
     bool isUs = isImmUs(Offset);
     unsigned FramePtr = XCore::R10;
     
-    MachineInstr *New = 0;
     if (!isUs) {
       if (!RS) {
         std::string msg;
@@ -239,18 +238,18 @@
       loadConstant(MBB, II, ScratchReg, Offset, dl);
       switch (MI.getOpcode()) {
       case XCore::LDWFI:
-        New = BuildMI(MBB, II, dl, TII.get(XCore::LDW_3r), Reg)
+        BuildMI(MBB, II, dl, TII.get(XCore::LDW_3r), Reg)
               .addReg(FramePtr)
               .addReg(ScratchReg, RegState::Kill);
         break;
       case XCore::STWFI:
-        New = BuildMI(MBB, II, dl, TII.get(XCore::STW_3r))
+        BuildMI(MBB, II, dl, TII.get(XCore::STW_3r))
               .addReg(Reg, getKillRegState(isKill))
               .addReg(FramePtr)
               .addReg(ScratchReg, RegState::Kill);
         break;
       case XCore::LDAWFI:
-        New = BuildMI(MBB, II, dl, TII.get(XCore::LDAWF_l3r), Reg)
+        BuildMI(MBB, II, dl, TII.get(XCore::LDAWF_l3r), Reg)
               .addReg(FramePtr)
               .addReg(ScratchReg, RegState::Kill);
         break;
@@ -260,18 +259,18 @@
     } else {
       switch (MI.getOpcode()) {
       case XCore::LDWFI:
-        New = BuildMI(MBB, II, dl, TII.get(XCore::LDW_2rus), Reg)
+        BuildMI(MBB, II, dl, TII.get(XCore::LDW_2rus), Reg)
               .addReg(FramePtr)
               .addImm(Offset);
         break;
       case XCore::STWFI:
-        New = BuildMI(MBB, II, dl, TII.get(XCore::STW_2rus))
+        BuildMI(MBB, II, dl, TII.get(XCore::STW_2rus))
               .addReg(Reg, getKillRegState(isKill))
               .addReg(FramePtr)
               .addImm(Offset);
         break;
       case XCore::LDAWFI:
-        New = BuildMI(MBB, II, dl, TII.get(XCore::LDAWF_l2rus), Reg)
+        BuildMI(MBB, II, dl, TII.get(XCore::LDAWF_l2rus), Reg)
               .addReg(FramePtr)
               .addImm(Offset);
         break;