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authorZhongxing Xu <xuzhongxing@gmail.com>2010-02-08 08:17:02 +0000
committerZhongxing Xu <xuzhongxing@gmail.com>2010-02-08 08:17:02 +0000
commit52535688b1339e0b3898ac0d670052482851a3ab (patch)
tree5bc93cb67c76fe5e3fdf0ce065de54bcdbe437ac /lib/Checker/BasicStore.cpp
parentc1511e04998e685c9e030323e248363b9633267d (diff)
Unify the implementation of getLValueElement of store managers.
It's more sophisticated than the original one of BasicStore. But it does matter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95536 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Checker/BasicStore.cpp')
-rw-r--r--lib/Checker/BasicStore.cpp55
1 files changed, 0 insertions, 55 deletions
diff --git a/lib/Checker/BasicStore.cpp b/lib/Checker/BasicStore.cpp
index de9643e91e..294b9555a5 100644
--- a/lib/Checker/BasicStore.cpp
+++ b/lib/Checker/BasicStore.cpp
@@ -70,8 +70,6 @@ public:
return store;
}
- SVal getLValueElement(QualType elementType, SVal Offset, SVal Base);
-
/// ArrayToPointer - Used by GRExprEngine::VistCast to handle implicit
/// conversions between arrays and pointers.
SVal ArrayToPointer(Loc Array) { return Array; }
@@ -111,59 +109,6 @@ StoreManager* clang::CreateBasicStoreManager(GRStateManager& StMgr) {
return new BasicStoreManager(StMgr);
}
-SVal BasicStoreManager::getLValueElement(QualType elementType,
- SVal Offset, SVal Base) {
-
- if (Base.isUnknownOrUndef())
- return Base;
-
- Loc BaseL = cast<Loc>(Base);
- const MemRegion* BaseR = 0;
-
- switch(BaseL.getSubKind()) {
- case loc::GotoLabelKind:
- // Technically we can get here if people do funny things with casts.
- return UndefinedVal();
-
- case loc::MemRegionKind: {
- const MemRegion *R = cast<loc::MemRegionVal>(BaseL).getRegion();
-
- if (isa<ElementRegion>(R)) {
- // int x;
- // char* y = (char*) &x;
- // 'y' => ElementRegion(0, VarRegion('x'))
- // y[0] = 'a';
- return Base;
- }
-
- if (isa<TypedRegion>(R) || isa<SymbolicRegion>(R)) {
- BaseR = R;
- break;
- }
-
- break;
- }
-
- case loc::ConcreteIntKind:
- // While these seem funny, this can happen through casts.
- // FIXME: What we should return is the field offset. For example,
- // add the field offset to the integer value. That way funny things
- // like this work properly: &(((struct foo *) 0xa)->f)
- return Base;
-
- default:
- assert ("Unhandled Base.");
- return Base;
- }
-
- if (BaseR) {
- return ValMgr.makeLoc(MRMgr.getElementRegion(elementType, UnknownVal(),
- BaseR, getContext()));
- }
- else
- return UnknownVal();
-}
-
static bool isHigherOrderRawPtr(QualType T, ASTContext &C) {
bool foundPointer = false;
while (1) {