diff options
Diffstat (limited to 'lib/VMCore')
| -rw-r--r-- | lib/VMCore/Instructions.cpp | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp index 098560a..bedf74c 100644 --- a/lib/VMCore/Instructions.cpp +++ b/lib/VMCore/Instructions.cpp @@ -1026,12 +1026,16 @@ GetElementPtrInst::GetElementPtrInst(Value *Ptr, Value *Idx, // getIndexedType - Returns the type of the element that would be loaded with // a load instruction with the specified parameters. // +// The Idxs pointer should point to a continuous piece of memory containing the +// indices, either as Value* or uint64_t. +// // A null type is returned if the indices are invalid for the specified // pointer type. // -const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, - Value* const *Idxs, - unsigned NumIdx) { +template <typename IndexTy> +static const Type* getIndexedTypeInternal(const Type *Ptr, + IndexTy const *Idxs, + unsigned NumIdx) { const PointerType *PTy = dyn_cast<PointerType>(Ptr); if (!PTy) return 0; // Type isn't a pointer type! const Type *Agg = PTy->getElementType(); @@ -1044,7 +1048,7 @@ const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, for (; CurIdx != NumIdx; ++CurIdx) { const CompositeType *CT = dyn_cast<CompositeType>(Agg); if (!CT || isa<PointerType>(CT)) return 0; - Value *Index = Idxs[CurIdx]; + IndexTy Index = Idxs[CurIdx]; if (!CT->indexValid(Index)) return 0; Agg = CT->getTypeAtIndex(Index); @@ -1058,6 +1062,18 @@ const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, return CurIdx == NumIdx ? Agg : 0; } +const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, + Value* const *Idxs, + unsigned NumIdx) { + return getIndexedTypeInternal(Ptr, Idxs, NumIdx); +} + +const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, + uint64_t const *Idxs, + unsigned NumIdx) { + return getIndexedTypeInternal(Ptr, Idxs, NumIdx); +} + const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, Value *Idx) { const PointerType *PTy = dyn_cast<PointerType>(Ptr); if (!PTy) return 0; // Type isn't a pointer type! |