[llvm-commits] [llvm] r106854 - in /llvm/trunk/lib/CodeGen/SelectionDAG: DAGCombiner.cpp ScheduleDAGSDNodes.cpp SelectionDAG.cpp SelectionDAGBuilder.cpp

[Duncan Sands]

Author: baldrick
Date: Fri Jun 25 09:48:39 2010
New Revision: 106854

URL: http://llvm.org/viewvc/llvm-project?rev=106854&view=rev
Log:
Remove variables which are assigned to but for which the value
is not used.  Spotted by gcc-4.6.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=106854&r1=106853&r2=106854&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Fri Jun 25 09:48:39 2010
@@ -6108,7 +6108,6 @@
    // Check if the result type doesn't match the inserted element type. A
    // SCALAR_TO_VECTOR may truncate the inserted element and the
    // EXTRACT_VECTOR_ELT may widen the extracted vector.
-   EVT EltVT = InVec.getValueType().getVectorElementType();
    SDValue InOp = InVec.getOperand(0);
    EVT NVT = N->getValueType(0);
    if (InOp.getValueType() != NVT) {

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp?rev=106854&r1=106853&r2=106854&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp Fri Jun 25 09:48:39 2010
@@ -168,7 +168,6 @@
   DenseMap<long long, SDNode*> O2SMap;  // Map from offset to SDNode.
   bool Cluster = false;
   SDNode *Base = Node;
-  int64_t BaseOffset;
   for (SDNode::use_iterator I = Chain->use_begin(), E = Chain->use_end();
        I != E; ++I) {
     SDNode *User = *I;
@@ -184,12 +183,8 @@
       Offsets.push_back(Offset1);
     O2SMap.insert(std::make_pair(Offset2, User));
     Offsets.push_back(Offset2);
-    if (Offset2 < Offset1) {
+    if (Offset2 < Offset1)
       Base = User;
-      BaseOffset = Offset2;
-    } else {
-      BaseOffset = Offset1;
-    }
     Cluster = true;
   }
 
@@ -625,7 +620,6 @@
     SDDbgInfo::DbgIterator DE = DAG->DbgEnd();
     // Now emit the rest according to source order.
     unsigned LastOrder = 0;
-    MachineInstr *LastMI = 0;
     for (unsigned i = 0, e = Orders.size(); i != e && DI != DE; ++i) {
       unsigned Order = Orders[i].first;
       MachineInstr *MI = Orders[i].second;
@@ -657,7 +651,6 @@
         }
       }
       LastOrder = Order;
-      LastMI = MI;
     }
     // Add trailing DbgValue's before the terminator. FIXME: May want to add
     // some of them before one or more conditional branches?

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=106854&r1=106853&r2=106854&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Fri Jun 25 09:48:39 2010
@@ -2286,7 +2286,6 @@
 SDValue SelectionDAG::getShuffleScalarElt(const ShuffleVectorSDNode *N,
                                           unsigned i) {
   EVT VT = N->getValueType(0);
-  DebugLoc dl = N->getDebugLoc();
   if (N->getMaskElt(i) < 0)
     return getUNDEF(VT.getVectorElementType());
   unsigned Index = N->getMaskElt(i);

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp?rev=106854&r1=106853&r2=106854&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Fri Jun 25 09:48:39 2010
@@ -4177,7 +4177,6 @@
     DAG.getMachineFunction().getMMI().setCallsUnwindInit(true);
     return 0;
   case Intrinsic::eh_dwarf_cfa: {
-    EVT VT = getValue(I.getArgOperand(0)).getValueType();
     SDValue CfaArg = DAG.getSExtOrTrunc(getValue(I.getArgOperand(0)), dl,
                                         TLI.getPointerTy());
     SDValue Offset = DAG.getNode(ISD::ADD, dl,