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Always create a shadow node for a store instruction, even if it's storing

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a scalar value.  Likewise for load instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-07-22 16:35:53 +00:00
parent 54ec7aed89
commit eef796c767
1 changed files with 3 additions and 3 deletions
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6
lib/Analysis/DataStructure/Local.cpp
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@@ -256,16 +256,16 @@ void GraphBuilder::visitGetElementPtrInst(GetElementPtrInst &GEP) {
} }
void GraphBuilder::visitLoadInst(LoadInst &LI) { void GraphBuilder::visitLoadInst(LoadInst &LI) {
if (!isa<PointerType>(LI.getType())) return; // Only pointer PHIs
DSNode *Ptr = getSubscriptedNode(LI, getValueNode(*LI.getOperand(0))); DSNode *Ptr = getSubscriptedNode(LI, getValueNode(*LI.getOperand(0)));
if (!isa<PointerType>(LI.getType())) return; // Only pointer PHIs
getValueNode(LI)->addEdgeTo(getLink(Ptr, 0)); getValueNode(LI)->addEdgeTo(getLink(Ptr, 0));
} }
void GraphBuilder::visitStoreInst(StoreInst &SI) { void GraphBuilder::visitStoreInst(StoreInst &SI) {
DSNode *DestPtr = getSubscriptedNode(SI, getValueNode(*SI.getOperand(1)));
if (!isa<PointerType>(SI.getOperand(0)->getType())) return; if (!isa<PointerType>(SI.getOperand(0)->getType())) return;
DSNode *Value = getValueNode(*SI.getOperand(0)); DSNode *Value = getValueNode(*SI.getOperand(0));
DSNode *DestPtr = getValueNode(*SI.getOperand(1)); DestPtr->addEdgeTo(getLink(Value, 0));
getSubscriptedNode(SI, DestPtr)->addEdgeTo(getLink(Value, 0));
} }
void GraphBuilder::visitReturnInst(ReturnInst &RI) { void GraphBuilder::visitReturnInst(ReturnInst &RI) {