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Fix bug Regression/Verifier/2002-11-05-GetelementptrPointers.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5273 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -23,7 +23,6 @@
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// * All Instructions must be embeded into a basic block
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// . Function's cannot take a void typed parameter
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// * Verify that a function's argument list agrees with it's declared type.
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// . Verify that arrays and structures have fixed elements: No unsized arrays.
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// * It is illegal to specify a name for a void value.
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// * It is illegal to have a internal global value with no intitalizer
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// * It is illegal to have a ret instruction that returns a value that does not
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@ -116,16 +116,18 @@ const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
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// Handle the special case of the empty set index set...
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if (Idx.empty()) return cast<PointerType>(Ptr)->getElementType();
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unsigned CurIDX = 0;
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unsigned CurIdx = 0;
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while (const CompositeType *CT = dyn_cast<CompositeType>(Ptr)) {
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if (Idx.size() == CurIDX) {
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if (Idx.size() == CurIdx) {
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if (AllowCompositeLeaf || CT->isFirstClassType()) return Ptr;
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return 0; // Can't load a whole structure or array!?!?
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}
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Value *Index = Idx[CurIDX++];
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Value *Index = Idx[CurIdx++];
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if (isa<PointerType>(CT) && CurIdx != 1)
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return 0; // Can only index into pointer types at the first index!
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if (!CT->indexValid(Index)) return 0;
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Ptr = CT->getTypeAtIndex(Index);
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}
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return CurIDX == Idx.size() ? Ptr : 0;
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return CurIdx == Idx.size() ? Ptr : 0;
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}
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