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dfbd44a9f0
Extend the mechanism to overload intrinsic arguments by using either backward or forward references to the overloadable arguments. In for example: def int_something : Intrinsic<[LLVMPointerToElt<0>], [llvm_anyvector_ty], []>; LLVMPointerToElt<0> is a forward reference to the overloadable operand of type 'llvm_anyvector_ty' and would allow intrinsics such as: declare i32* @llvm.something.v4i32(<4 x i32>); declare i64* @llvm.something.v2i64(<2 x i64>); where the result pointer type is deduced from the element type of the first argument. If the returned pointer is not a pointer to the element type, LLVM will give an error: Intrinsic has incorrect return type! i64* (<4 x i32>)* @llvm.something.v4i32 Reviewers: RKSimon, arsenm, rnk, greened Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D62995 llvm-svn: 363233