For PR786:

Remove unused variables.

llvm-svn: 31381

3 files changed, 3 insertions, 8 deletions

diff --git a/llvm/utils/TableGen/DAGISelEmitter.cpp b/llvm/utils/TableGen/DAGISelEmitter.cpp
index 4f5a731736e..39480c96640 100644
--- a/llvm/utils/TableGen/DAGISelEmitter.cpp
+++ b/llvm/utils/TableGen/DAGISelEmitter.cpp
@@ -2259,13 +2259,11 @@ public:
     unsigned OpNo = 0;
     bool NodeHasChain = NodeHasProperty   (N, SDNPHasChain, ISE);
     bool HasChain     = PatternHasProperty(N, SDNPHasChain, ISE);
-    bool HasOutFlag   = PatternHasProperty(N, SDNPOutFlag,  ISE);
     bool EmittedUseCheck = false;
     if (HasChain) {
       if (NodeHasChain)
         OpNo = 1;
       if (!isRoot) {
-        const SDNodeInfo &CInfo = ISE.getSDNodeInfo(N->getOperator());
         // Multiple uses of actual result?
         emitCheck(RootName + ".hasOneUse()");
         EmittedUseCheck = true;
@@ -2329,7 +2327,6 @@ public:
         (PatternHasProperty(N, SDNPInFlag, ISE) ||
          PatternHasProperty(N, SDNPOptInFlag, ISE) ||
          PatternHasProperty(N, SDNPOutFlag, ISE))) {
-      const SDNodeInfo &CInfo = ISE.getSDNodeInfo(N->getOperator());
       if (!EmittedUseCheck) {
         // Multiple uses of actual result?
         emitCheck(RootName + ".hasOneUse()");
@@ -3318,10 +3315,9 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
       PatternsByOpcode[Node->getOperator()].push_back(&PatternsToMatch[i]);
     } else {
       const ComplexPattern *CP;
-      if (IntInit *II = 
-          dynamic_cast<IntInit*>(Node->getLeafValue())) {
+      if (dynamic_cast<IntInit*>(Node->getLeafValue())) {
         PatternsByOpcode[getSDNodeNamed("imm")].push_back(&PatternsToMatch[i]);
-      } else if ((CP = NodeGetComplexPattern(Node, *this))) {
+      } else if (NodeGetComplexPattern(Node, *this)) {
         std::vector<Record*> OpNodes = CP->getRootNodes();
         for (unsigned j = 0, e = OpNodes.size(); j != e; j++) {
           PatternsByOpcode[OpNodes[j]]
diff --git a/llvm/utils/TableGen/Record.cpp b/llvm/utils/TableGen/Record.cpp
index 254ec784234..c1ef4ed82f4 100644
--- a/llvm/utils/TableGen/Record.cpp
+++ b/llvm/utils/TableGen/Record.cpp
@@ -498,7 +498,7 @@ RecTy *VarInit::getFieldType(const std::string &FieldName) const {
 }
 
 Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
-  if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
+  if (dynamic_cast<RecordRecTy*>(getType()))
     if (const RecordVal *RV = R.getValue(VarName)) {
       Init *TheInit = RV->getValue();
       assert(TheInit != this && "Infinite loop detected!");
diff --git a/llvm/utils/TableGen/SubtargetEmitter.cpp b/llvm/utils/TableGen/SubtargetEmitter.cpp
index cf2c5b4a0b4..b820b07f416 100644
--- a/llvm/utils/TableGen/SubtargetEmitter.cpp
+++ b/llvm/utils/TableGen/SubtargetEmitter.cpp
@@ -355,7 +355,6 @@ void SubtargetEmitter::EmitProcessorData(std::ostream &OS,
     
     // For each itinerary class
     std::vector<InstrItinerary> &ItinList = *ProcListIter++;
-    unsigned ItinIndex = 0;
     for (unsigned j = 0, M = ItinList.size(); j < M;) {
       InstrItinerary &Intinerary = ItinList[j];