From owner-svn-src-all@freebsd.org Sat Dec 29 15:13:50 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 48CEC1422C39; Sat, 29 Dec 2018 15:13:50 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BFB6A72048; Sat, 29 Dec 2018 15:13:49 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id AD5EBCB58; Sat, 29 Dec 2018 15:13:49 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wBTFDnGO071763; Sat, 29 Dec 2018 15:13:49 GMT (envelope-from dim@FreeBSD.org) Received: (from dim@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wBTFDntw071762; Sat, 29 Dec 2018 15:13:49 GMT (envelope-from dim@FreeBSD.org) Message-Id: <201812291513.wBTFDntw071762@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: dim set sender to dim@FreeBSD.org using -f From: Dimitry Andric Date: Sat, 29 Dec 2018 15:13:49 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342592 - head/contrib/llvm/lib/CodeGen/SelectionDAG X-SVN-Group: head X-SVN-Commit-Author: dim X-SVN-Commit-Paths: head/contrib/llvm/lib/CodeGen/SelectionDAG X-SVN-Commit-Revision: 342592 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: BFB6A72048 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-0.998,0]; NEURAL_HAM_SHORT(-0.95)[-0.948,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Dec 2018 15:13:50 -0000 Author: dim Date: Sat Dec 29 15:13:49 2018 New Revision: 342592 URL: https://svnweb.freebsd.org/changeset/base/342592 Log: Pull in r342397 from upstream llvm trunk (by Amara Emerson): Revert "Revert r342183 "[DAGCombine] Fix crash when store merging created an extract_subvector with invalid index."" Fixed the assertion failure. Differential Revision: https://reviews.llvm.org/D51831 This fixes 'Assertion failed: ((VT.getVectorNumElements() + N2C->getZExtValue() <= N1.getValueType().getVectorNumElements()) && "Extract subvector overflow!"), function getNode' when building the multimedia/aom port (with AVX2 enabled). Reported by: jbeich PR: 234480 MFC after: 6 weeks X-MFC-With: r341825 Modified: head/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Modified: head/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp ============================================================================== --- head/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Sat Dec 29 14:48:51 2018 (r342591) +++ head/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Sat Dec 29 15:13:49 2018 (r342592) @@ -13727,17 +13727,26 @@ bool DAGCombiner::MergeStoresOfConstantsOrVecElts( Val.getOpcode() == ISD::EXTRACT_SUBVECTOR)) { SDValue Vec = Val.getOperand(0); EVT MemVTScalarTy = MemVT.getScalarType(); + SDValue Idx = Val.getOperand(1); // We may need to add a bitcast here to get types to line up. if (MemVTScalarTy != Vec.getValueType()) { unsigned Elts = Vec.getValueType().getSizeInBits() / MemVTScalarTy.getSizeInBits(); + if (Val.getValueType().isVector() && MemVT.isVector()) { + unsigned IdxC = cast(Idx)->getZExtValue(); + unsigned NewIdx = + ((uint64_t)IdxC * MemVT.getVectorNumElements()) / Elts; + Idx = DAG.getConstant(NewIdx, SDLoc(Val), Idx.getValueType()); + } + if (!MemVT.isVector() && Val.getValueType().isVector()) + dbgs() << "hit!\n"; EVT NewVecTy = EVT::getVectorVT(*DAG.getContext(), MemVTScalarTy, Elts); Vec = DAG.getBitcast(NewVecTy, Vec); } auto OpC = (MemVT.isVector()) ? ISD::EXTRACT_SUBVECTOR : ISD::EXTRACT_VECTOR_ELT; - Val = DAG.getNode(OpC, SDLoc(Val), MemVT, Vec, Val.getOperand(1)); + Val = DAG.getNode(OpC, SDLoc(Val), MemVT, Vec, Idx); } Ops.push_back(Val); }