forked from OSchip/llvm-project
Add a GetElementPtrInst::getIndexedType that accepts uint64_t's instead of just Value*'s.
llvm-svn: 54157
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bf83579b30
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0446862796
llvm
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@ -408,9 +408,6 @@ class GetElementPtrInst : public Instruction {
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/// Null is returned if the indices are invalid for the specified
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/// pointer type.
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///
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static const Type *getIndexedType(const Type *Ptr,
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Value* const *Idx, unsigned NumIdx);
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template<typename InputIterator>
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static const Type *getIndexedType(const Type *Ptr,
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InputIterator IdxBegin,
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@ -509,6 +506,13 @@ public:
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typename std::iterator_traits<InputIterator>::
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iterator_category());
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}
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static const Type *getIndexedType(const Type *Ptr,
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Value* const *Idx, unsigned NumIdx);
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static const Type *getIndexedType(const Type *Ptr,
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uint64_t const *Idx, unsigned NumIdx);
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static const Type *getIndexedType(const Type *Ptr, Value *Idx);
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inline op_iterator idx_begin() { return op_begin()+1; }
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@ -1026,12 +1026,16 @@ GetElementPtrInst::GetElementPtrInst(Value *Ptr, Value *Idx,
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// getIndexedType - Returns the type of the element that would be loaded with
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// a load instruction with the specified parameters.
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//
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// The Idxs pointer should point to a continuous piece of memory containing the
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// indices, either as Value* or uint64_t.
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//
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// A null type is returned if the indices are invalid for the specified
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// pointer type.
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//
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const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
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Value* const *Idxs,
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unsigned NumIdx) {
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template <typename IndexTy>
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static const Type* getIndexedTypeInternal(const Type *Ptr,
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IndexTy const *Idxs,
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unsigned NumIdx) {
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const PointerType *PTy = dyn_cast<PointerType>(Ptr);
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if (!PTy) return 0; // Type isn't a pointer type!
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const Type *Agg = PTy->getElementType();
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@ -1044,7 +1048,7 @@ const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
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for (; CurIdx != NumIdx; ++CurIdx) {
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const CompositeType *CT = dyn_cast<CompositeType>(Agg);
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if (!CT || isa<PointerType>(CT)) return 0;
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Value *Index = Idxs[CurIdx];
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IndexTy Index = Idxs[CurIdx];
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if (!CT->indexValid(Index)) return 0;
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Agg = CT->getTypeAtIndex(Index);
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@ -1058,6 +1062,18 @@ const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
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return CurIdx == NumIdx ? Agg : 0;
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}
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const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
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Value* const *Idxs,
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unsigned NumIdx) {
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return getIndexedTypeInternal(Ptr, Idxs, NumIdx);
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}
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const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
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uint64_t const *Idxs,
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unsigned NumIdx) {
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return getIndexedTypeInternal(Ptr, Idxs, NumIdx);
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}
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const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, Value *Idx) {
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const PointerType *PTy = dyn_cast<PointerType>(Ptr);
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if (!PTy) return 0; // Type isn't a pointer type!
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