+ struct TBAAStructField {
+ uint64_t Offset;
+ uint64_t Size;
+ MDNode *TBAA;
+ TBAAStructField(uint64_t Offset, uint64_t Size, MDNode *TBAA) :
+ Offset(Offset), Size(Size), TBAA(TBAA) {}
+ };
+
+ /// \brief Return metadata for a tbaa.struct node with the given
+ /// struct field descriptions.
+ MDNode *createTBAAStructNode(ArrayRef<TBAAStructField> Fields) {
+ SmallVector<Value *, 4> Vals(Fields.size() * 3);
+ Type *Int64 = IntegerType::get(Context, 64);
+ for (unsigned i = 0, e = Fields.size(); i != e; ++i) {
+ Vals[i * 3 + 0] = ConstantInt::get(Int64, Fields[i].Offset);
+ Vals[i * 3 + 1] = ConstantInt::get(Int64, Fields[i].Size);
+ Vals[i * 3 + 2] = Fields[i].TBAA;
+ }
+ return MDNode::get(Context, Vals);
+ }
+