Fix a bunch of unused variable warnings when doing a release

build with gcc-4.6.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142350 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 4 insertions, 3 deletions

diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
index f1a8627518..efbd28c412 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@ -384,7 +384,6 @@ SDValue VectorLegalizer::ExpandVSELECT(SDValue Op) {
   // Implement VSELECT in terms of XOR, AND, OR
   // on platforms which do not support blend natively.
   EVT VT =  Op.getOperand(0).getValueType();
-  EVT OVT = Op.getOperand(1).getValueType();
   DebugLoc DL = Op.getDebugLoc();
 
   SDValue Mask = Op.getOperand(0);
@@ -398,7 +397,8 @@ SDValue VectorLegalizer::ExpandVSELECT(SDValue Op) {
       !TLI.isOperationLegalOrCustom(ISD::OR, VT))
         return DAG.UnrollVectorOp(Op.getNode());
 
-  assert(VT.getSizeInBits() == OVT.getSizeInBits() && "Invalid mask size");
+  assert(VT.getSizeInBits() == Op.getOperand(1).getValueType().getSizeInBits()
+         && "Invalid mask size");
   // Bitcast the operands to be the same type as the mask.
   // This is needed when we select between FP types because
   // the mask is a vector of integers.
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 632b6146ac..df94e0f686 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2800,6 +2800,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT,
             EVT.getVectorNumElements() == VT.getVectorNumElements()) &&
            "Vector element counts must match in FP_ROUND_INREG");
     assert(EVT.bitsLE(VT) && "Not rounding down!");
+    (void)EVT;
     if (cast<VTSDNode>(N2)->getVT() == VT) return N1;  // Not actually rounding.
     break;
   }
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 309b68b339..24bd2cde78 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2474,7 +2474,7 @@ void SelectionDAGBuilder::visitSwitch(const SwitchInst &SI) {
   size_t numCmps = Clusterify(Cases, SI);
   DEBUG(dbgs() << "Clusterify finished. Total clusters: " << Cases.size()
                << ". Total compares: " << numCmps << '\n');
-  numCmps = 0;
+  (void)numCmps;
 
   // Get the Value to be switched on and default basic blocks, which will be
   // inserted into CaseBlock records, representing basic blocks in the binary