commit 8819c84aed10777ba91d4e862229882b8da0b272
author Rafael Espindola <rafael.espindola@gmail.com> Tue Oct 01 13:32:03 2013 +0000
committer Rafael Espindola <rafael.espindola@gmail.com> Tue Oct 01 13:32:03 2013 +0000
tree 4895982330c0dceacf26671a3abfadccd4c32040
parent 1c831f7f1f7e869516f5a70c1e6dd8896bef76f5

Remove several unused variables.

Patch by Alp Toker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191757 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/SelectionDAG.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 62ceb8b..1756f94 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1949,7 +1949,6 @@
   case ISD::SIGN_EXTEND: {
     EVT InVT = Op.getOperand(0).getValueType();
     unsigned InBits = InVT.getScalarType().getSizeInBits();
-    APInt InSignBit = APInt::getSignBit(InBits);
     APInt NewBits   = APInt::getHighBitsSet(BitWidth, BitWidth - InBits);
 
     KnownZero = KnownZero.trunc(InBits);
@@ -2061,7 +2060,6 @@
       const APInt &RA = Rem->getAPIntValue().abs();
       if (RA.isPowerOf2()) {
         APInt LowBits = RA - 1;
-        APInt Mask2 = LowBits | APInt::getSignBit(BitWidth);
         ComputeMaskedBits(Op.getOperand(0), KnownZero2,KnownOne2,Depth+1);
 
         // The low bits of the first operand are unchanged by the srem.
@@ -3787,7 +3785,7 @@
   for (unsigned i = 0; i < NumMemOps; i++) {
     EVT VT = MemOps[i];
     unsigned VTSize = VT.getSizeInBits() / 8;
-    SDValue Value, Store;
+    SDValue Value;
 
     Value = DAG.getLoad(VT, dl, Chain,
                         getMemBasePlusOffset(Src, SrcOff, dl, DAG),
@@ -3803,7 +3801,7 @@
   for (unsigned i = 0; i < NumMemOps; i++) {
     EVT VT = MemOps[i];
     unsigned VTSize = VT.getSizeInBits() / 8;
-    SDValue Value, Store;
+    SDValue Store;
 
     Store = DAG.getStore(Chain, dl, LoadValues[i],
                          getMemBasePlusOffset(Dst, DstOff, dl, DAG),

lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 6d097a6..fcde6b5 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -2022,7 +2022,6 @@
     }
   }
 
-  SDValue Res;
   if (InputChains.size() == 1)
     return InputChains[0];
   return CurDAG->getNode(ISD::TokenFactor, SDLoc(ChainNodesMatched[0]),

lib/CodeGen/TailDuplication.cpp

diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp
index 8a1d567..ff0181e 100644
--- a/lib/CodeGen/TailDuplication.cpp
+++ b/lib/CodeGen/TailDuplication.cpp
@@ -638,8 +638,6 @@
 
 bool
 TailDuplicatePass::canCompletelyDuplicateBB(MachineBasicBlock &BB) {
-  SmallPtrSet<MachineBasicBlock*, 8> Succs(BB.succ_begin(), BB.succ_end());
-
   for (MachineBasicBlock::pred_iterator PI = BB.pred_begin(),
        PE = BB.pred_end(); PI != PE; ++PI) {
     MachineBasicBlock *PredBB = *PI;