maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[NVPTX] Remove dead code. 

Found by the Clang static analyzer.

llvm-svn: 218874
This commit is contained in:
Tilmann Scheller 2014-10-02 15:12:48 +00:00
parent 755be7f86a
commit 383b4fff4c
1 changed files with 3 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
View File

@ -2163,7 +2163,6 @@ SDValue NVPTXTargetLowering::LowerFormalArguments(
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::LowerFormalArguments(
// 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::LowerFormalArguments(
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::LowerFormalArguments(
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::LowerFormalArguments(
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::LowerFormalArguments(
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()),