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I think that you attached the wrong patch. The attached patch is the one which adds the new MVT types. From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On Behalf Of Villmow, Micah Sent: Saturday, July 28, 2012 01:54 To: Developers Mailing List Subject: [LLVMdev] Vector promotion broken for <2 x [i8|i16]> Vector promotion which is new in LLVM 3.1 is broken for

Vector promotion which is new in LLVM 3.1 is broken for sub32 bit types. The problem is in the VectorLegalizer::PromoteVectorOp. The function getTypeToPromoteTo will return a <2 x i32> for a <2 x i8>, <2 x i16> or <4 x i8>. The problem is that there are no vectors of size 1 defined for i32 or i16. The attached patch fixes these issues. This can be reproduced by setting in

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