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Adding support for vector operands (Patch 2) #74

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Adding support for vector operands (Patch 2) #74

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21 changes: 21 additions & 0 deletions lib/MemoryModel/PAGBuilder.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -414,6 +414,27 @@ void PAGBuilder::visitStoreInst(StoreInst &inst) {
NodeID src = getValueNode(inst.getValueOperand());

pag->addStoreEdge(src, dst);
} else {
// if this is a vector operand, process the individual operands.
if(isa<VectorType>(inst.getValueOperand()->getType()) && dyn_cast<ConstantVector>(inst.getValueOperand())) {
ConstantVector *CVExpr = dyn_cast<ConstantVector>(inst.getValueOperand());
bool dstCreated = false;
NodeID vdst;
// iterate for each element in the vector
for(unsigned vindex = 0; vindex < CVExpr->getNumOperands(); ++vindex) {
if(CVExpr->getOperand(vindex)->getType()->isPointerTy()) {
NodeID vsrc = getValueNode(CVExpr->getOperand(vindex));
// create dst node only if its required. i.e., if any of the element
// of the vector's value is a pointer type.
if(!dstCreated) {
vdst = getValueNode(inst.getPointerOperand());
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Shall we also consider whether the PointerOperand is a ConstantVector or not?

dstCreated = true;
}
pag->addStoreEdge(vsrc, vdst);
}

}
}
}

}
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