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Remove the old out-of-bound checking code. 

llvm-svn: 86836
This commit is contained in:
Zhongxing Xu 2009-11-11 12:52:39 +00:00
parent 4f7759a339
commit 83c4374e72
1 changed files with 0 additions and 42 deletions
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42
clang/lib/Analysis/GRExprEngine.cpp
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@ -1270,48 +1270,6 @@ void GRExprEngine::EvalLocation(ExplodedNodeSet &Dst, Stmt *S,
// Update which NodeSet is the current one.
PrevSet = CurrSet;
}
// FIXME: Temporarily disable out-of-bounds checking until we make
// the logic reflect recent changes to CastRegion and friends.
#if 0
// Check for out-of-bound array access.
if (isa<loc::MemRegionVal>(LV)) {
const MemRegion* R = cast<loc::MemRegionVal>(LV).getRegion();
if (const ElementRegion* ER = dyn_cast<ElementRegion>(R)) {
// Get the index of the accessed element.
SVal Idx = ER->getIndex();
// Get the extent of the array.
SVal NumElements = getStoreManager().getSizeInElements(StNotNull,
ER->getSuperRegion());
const GRState * StInBound = StNotNull->AssumeInBound(Idx, NumElements,
true);
const GRState* StOutBound = StNotNull->AssumeInBound(Idx, NumElements,
false);
if (StOutBound) {
// Report warning. Make sink node manually.
ExplodedNode* OOBNode =
Builder->generateNode(Ex, StOutBound, Pred,
ProgramPoint::PostOutOfBoundsCheckFailedKind);
if (OOBNode) {
OOBNode->markAsSink();
if (StInBound)
ImplicitOOBMemAccesses.insert(OOBNode);
else
ExplicitOOBMemAccesses.insert(OOBNode);
}
}
if (!StInBound)
return NULL;
StNotNull = StInBound;
}
}
#endif
}
//===----------------------------------------------------------------------===//