[llvm] r218874 - [NVPTX] Remove dead code.

[Tilmann Scheller]

Author: tilmann
Date: Thu Oct  2 10:12:48 2014
New Revision: 218874

URL: http://llvm.org/viewvc/llvm-project?rev=218874&view=rev
Log:
[NVPTX] Remove dead code.

Found by the Clang static analyzer.

Modified:
    llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp?rev=218874&r1=218873&r2=218874&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp Thu Oct  2 10:12:48 2014
@@ -2163,7 +2163,6 @@ SDValue NVPTXTargetLowering::LowerFormal
         unsigned NumElts = ObjectVT.getVectorNumElements();
         assert(TLI->getNumRegisters(F->getContext(), ObjectVT) == NumElts &&
                "Vector was not scalarized");
-        unsigned Ofst = 0;
         EVT EltVT = ObjectVT.getVectorElementType();
 
         // V1 load
@@ -2172,10 +2171,8 @@ SDValue NVPTXTargetLowering::LowerFormal
           // We only have one element, so just directly load it
           Value *SrcValue = Constant::getNullValue(PointerType::get(
               EltVT.getTypeForEVT(F->getContext()), llvm::ADDRESS_SPACE_PARAM));
-          SDValue SrcAddr = DAG.getNode(ISD::ADD, dl, getPointerTy(), Arg,
-                                        DAG.getConstant(Ofst, getPointerTy()));
           SDValue P = DAG.getLoad(
-              EltVT, dl, Root, SrcAddr, MachinePointerInfo(SrcValue), false,
+              EltVT, dl, Root, Arg, MachinePointerInfo(SrcValue), false,
               false, true,
               TD->getABITypeAlignment(EltVT.getTypeForEVT(F->getContext())));
           if (P.getNode())
@@ -2184,7 +2181,6 @@ SDValue NVPTXTargetLowering::LowerFormal
           if (Ins[InsIdx].VT.getSizeInBits() > EltVT.getSizeInBits())
             P = DAG.getNode(ISD::ANY_EXTEND, dl, Ins[InsIdx].VT, P);
           InVals.push_back(P);
-          Ofst += TD->getTypeAllocSize(EltVT.getTypeForEVT(F->getContext()));
           ++InsIdx;
         } else if (NumElts == 2) {
           // V2 load
@@ -2192,10 +2188,8 @@ SDValue NVPTXTargetLowering::LowerFormal
           EVT VecVT = EVT::getVectorVT(F->getContext(), EltVT, 2);
           Value *SrcValue = Constant::getNullValue(PointerType::get(
               VecVT.getTypeForEVT(F->getContext()), llvm::ADDRESS_SPACE_PARAM));
-          SDValue SrcAddr = DAG.getNode(ISD::ADD, dl, getPointerTy(), Arg,
-                                        DAG.getConstant(Ofst, getPointerTy()));
           SDValue P = DAG.getLoad(
-              VecVT, dl, Root, SrcAddr, MachinePointerInfo(SrcValue), false,
+              VecVT, dl, Root, Arg, MachinePointerInfo(SrcValue), false,
               false, true,
               TD->getABITypeAlignment(VecVT.getTypeForEVT(F->getContext())));
           if (P.getNode())
@@ -2213,7 +2207,6 @@ SDValue NVPTXTargetLowering::LowerFormal
 
           InVals.push_back(Elt0);
           InVals.push_back(Elt1);
-          Ofst += TD->getTypeAllocSize(VecVT.getTypeForEVT(F->getContext()));
           InsIdx += 2;
         } else {
           // V4 loads
@@ -2231,6 +2224,7 @@ SDValue NVPTXTargetLowering::LowerFormal
             VecSize = 2;
           }
           EVT VecVT = EVT::getVectorVT(F->getContext(), EltVT, VecSize);
+          unsigned Ofst = 0;
           for (unsigned i = 0; i < NumElts; i += VecSize) {
             Value *SrcValue = Constant::getNullValue(
                 PointerType::get(VecVT.getTypeForEVT(F->getContext()),