From owner-svn-src-projects@freebsd.org Fri Feb 17 20:07:39 2017 Return-Path: Delivered-To: svn-src-projects@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2D30FCE3E82 for ; Fri, 17 Feb 2017 20:07:39 +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 mx1.freebsd.org (Postfix) with ESMTPS id D24DA11D3; Fri, 17 Feb 2017 20:07:38 +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 v1HK7bTM087882; Fri, 17 Feb 2017 20:07:37 GMT (envelope-from dim@FreeBSD.org) Received: (from dim@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v1HK7Zuv087858; Fri, 17 Feb 2017 20:07:35 GMT (envelope-from dim@FreeBSD.org) Message-Id: <201702172007.v1HK7Zuv087858@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: dim set sender to dim@FreeBSD.org using -f From: Dimitry Andric Date: Fri, 17 Feb 2017 20:07:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r313894 - in projects/clang400-import: contrib/compiler-rt/lib/builtins/arm contrib/llvm/include/llvm/LTO/legacy contrib/llvm/lib/CodeGen/SelectionDAG contrib/llvm/lib/LTO contrib/llvm/... X-SVN-Group: projects MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-projects@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the src " projects" tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Feb 2017 20:07:39 -0000 Author: dim Date: Fri Feb 17 20:07:35 2017 New Revision: 313894 URL: https://svnweb.freebsd.org/changeset/base/313894 Log: Merge llvm, clang, compiler-rt, libc++, lld and lldb release_40 branch r295380, and update build glue. Modified: projects/clang400-import/contrib/compiler-rt/lib/builtins/arm/subsf3vfp.S projects/clang400-import/contrib/llvm/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp projects/clang400-import/contrib/llvm/lib/LTO/ThinLTOCodeGenerator.cpp projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64CallingConvention.td projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMCallingConv.td projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMISelLowering.cpp projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnroll.cpp projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp projects/clang400-import/contrib/llvm/tools/clang/lib/AST/ExprConstant.cpp projects/clang400-import/contrib/llvm/tools/clang/lib/CodeGen/CodeGenModule.h projects/clang400-import/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaLookup.cpp projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaStmt.cpp projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaTemplateVariadic.cpp projects/clang400-import/lib/clang/include/clang/Basic/Version.inc projects/clang400-import/lib/clang/include/lld/Config/Version.inc Directory Properties: projects/clang400-import/contrib/compiler-rt/ (props changed) projects/clang400-import/contrib/libc++/ (props changed) projects/clang400-import/contrib/llvm/ (props changed) projects/clang400-import/contrib/llvm/tools/clang/ (props changed) projects/clang400-import/contrib/llvm/tools/lld/ (props changed) projects/clang400-import/contrib/llvm/tools/lldb/ (props changed) Modified: projects/clang400-import/contrib/compiler-rt/lib/builtins/arm/subsf3vfp.S ============================================================================== --- projects/clang400-import/contrib/compiler-rt/lib/builtins/arm/subsf3vfp.S Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/compiler-rt/lib/builtins/arm/subsf3vfp.S Fri Feb 17 20:07:35 2017 (r313894) @@ -21,7 +21,7 @@ DEFINE_COMPILERRT_FUNCTION(__subsf3vfp) #if defined(COMPILER_RT_ARMHF_TARGET) vsub.f32 s0, s0, s1 -#elsee +#else vmov s14, r0 // move first param from r0 into float register vmov s15, r1 // move second param from r1 into float register vsub.f32 s14, s14, s15 Modified: projects/clang400-import/contrib/llvm/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h ============================================================================== --- projects/clang400-import/contrib/llvm/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h Fri Feb 17 20:07:35 2017 (r313894) @@ -31,6 +31,23 @@ class StringRef; class LLVMContext; class TargetMachine; +/// Wrapper around MemoryBufferRef, owning the identifier +class ThinLTOBuffer { + std::string OwnedIdentifier; + StringRef Buffer; + +public: + ThinLTOBuffer(StringRef Buffer, StringRef Identifier) + : OwnedIdentifier(Identifier), Buffer(Buffer) {} + + MemoryBufferRef getMemBuffer() const { + return MemoryBufferRef(Buffer, + {OwnedIdentifier.c_str(), OwnedIdentifier.size()}); + } + StringRef getBuffer() const { return Buffer; } + StringRef getBufferIdentifier() const { return OwnedIdentifier; } +}; + /// Helper to gather options relevant to the target machine creation struct TargetMachineBuilder { Triple TheTriple; @@ -280,7 +297,7 @@ private: /// Vector holding the input buffers containing the bitcode modules to /// process. - std::vector Modules; + std::vector Modules; /// Set of symbols that need to be preserved outside of the set of bitcode /// files. Modified: projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -13072,9 +13072,15 @@ SDValue DAGCombiner::createBuildVecShuff !TLI.isOperationLegal(ISD::VECTOR_SHUFFLE, InVT1)) return SDValue(); - if (InVT1 != InVT2) + // Legalizing INSERT_SUBVECTOR is tricky - you basically have to + // lower it back into a BUILD_VECTOR. So if the inserted type is + // illegal, don't even try. + if (InVT1 != InVT2) { + if (!TLI.isTypeLegal(InVT2)) + return SDValue(); VecIn2 = DAG.getNode(ISD::INSERT_SUBVECTOR, DL, InVT1, DAG.getUNDEF(InVT1), VecIn2, ZeroIdx); + } ShuffleNumElems = NumElems * 2; } else { // Both VecIn1 and VecIn2 are wider than the output, and VecIn2 is wider Modified: projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -502,8 +502,17 @@ void InstrEmitter::EmitSubregNode(SDNode const TargetRegisterClass *TRC = TLI->getRegClassFor(Node->getSimpleValueType(0)); - unsigned VReg = getVR(Node->getOperand(0), VRBaseMap); - MachineInstr *DefMI = MRI->getVRegDef(VReg); + unsigned Reg; + MachineInstr *DefMI; + RegisterSDNode *R = dyn_cast(Node->getOperand(0)); + if (R && TargetRegisterInfo::isPhysicalRegister(R->getReg())) { + Reg = R->getReg(); + DefMI = nullptr; + } else { + Reg = getVR(Node->getOperand(0), VRBaseMap); + DefMI = MRI->getVRegDef(Reg); + } + unsigned SrcReg, DstReg, DefSubIdx; if (DefMI && TII->isCoalescableExtInstr(*DefMI, SrcReg, DstReg, DefSubIdx) && @@ -519,20 +528,26 @@ void InstrEmitter::EmitSubregNode(SDNode TII->get(TargetOpcode::COPY), VRBase).addReg(SrcReg); MRI->clearKillFlags(SrcReg); } else { - // VReg may not support a SubIdx sub-register, and we may need to + // Reg may not support a SubIdx sub-register, and we may need to // constrain its register class or issue a COPY to a compatible register // class. - VReg = ConstrainForSubReg(VReg, SubIdx, - Node->getOperand(0).getSimpleValueType(), - Node->getDebugLoc()); + if (TargetRegisterInfo::isVirtualRegister(Reg)) + Reg = ConstrainForSubReg(Reg, SubIdx, + Node->getOperand(0).getSimpleValueType(), + Node->getDebugLoc()); // Create the destreg if it is missing. if (VRBase == 0) VRBase = MRI->createVirtualRegister(TRC); // Create the extract_subreg machine instruction. - BuildMI(*MBB, InsertPos, Node->getDebugLoc(), - TII->get(TargetOpcode::COPY), VRBase).addReg(VReg, 0, SubIdx); + MachineInstrBuilder CopyMI = + BuildMI(*MBB, InsertPos, Node->getDebugLoc(), + TII->get(TargetOpcode::COPY), VRBase); + if (TargetRegisterInfo::isVirtualRegister(Reg)) + CopyMI.addReg(Reg, 0, SubIdx); + else + CopyMI.addReg(TRI->getSubReg(Reg, SubIdx)); } } else if (Opc == TargetOpcode::INSERT_SUBREG || Opc == TargetOpcode::SUBREG_TO_REG) { Modified: projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -5832,6 +5832,15 @@ void SelectionDAGBuilder::LowerCallTo(Im const Value *SwiftErrorVal = nullptr; const TargetLowering &TLI = DAG.getTargetLoweringInfo(); + + // We can't tail call inside a function with a swifterror argument. Lowering + // does not support this yet. It would have to move into the swifterror + // register before the call. + auto *Caller = CS.getInstruction()->getParent()->getParent(); + if (TLI.supportSwiftError() && + Caller->getAttributes().hasAttrSomewhere(Attribute::SwiftError)) + isTailCall = false; + for (ImmutableCallSite::arg_iterator i = CS.arg_begin(), e = CS.arg_end(); i != e; ++i) { const Value *V = *i; Modified: projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -2782,14 +2782,15 @@ struct MatchScope { /// for this. class MatchStateUpdater : public SelectionDAG::DAGUpdateListener { - SmallVectorImpl > &RecordedNodes; - SmallVectorImpl &MatchScopes; + SDNode **NodeToMatch; + SmallVectorImpl> &RecordedNodes; + SmallVectorImpl &MatchScopes; public: - MatchStateUpdater(SelectionDAG &DAG, - SmallVectorImpl > &RN, - SmallVectorImpl &MS) : - SelectionDAG::DAGUpdateListener(DAG), - RecordedNodes(RN), MatchScopes(MS) { } + MatchStateUpdater(SelectionDAG &DAG, SDNode **NodeToMatch, + SmallVectorImpl> &RN, + SmallVectorImpl &MS) + : SelectionDAG::DAGUpdateListener(DAG), NodeToMatch(NodeToMatch), + RecordedNodes(RN), MatchScopes(MS) {} void NodeDeleted(SDNode *N, SDNode *E) override { // Some early-returns here to avoid the search if we deleted the node or @@ -2799,6 +2800,9 @@ public: // update listener during matching a complex patterns. if (!E || E->isMachineOpcode()) return; + // Check if NodeToMatch was updated. + if (N == *NodeToMatch) + *NodeToMatch = E; // Performing linear search here does not matter because we almost never // run this code. You'd have to have a CSE during complex pattern // matching. @@ -3091,7 +3095,7 @@ void SelectionDAGISel::SelectCodeCommon( // consistent. std::unique_ptr MSU; if (ComplexPatternFuncMutatesDAG()) - MSU.reset(new MatchStateUpdater(*CurDAG, RecordedNodes, + MSU.reset(new MatchStateUpdater(*CurDAG, &NodeToMatch, RecordedNodes, MatchScopes)); if (!CheckComplexPattern(NodeToMatch, RecordedNodes[RecNo].second, Modified: projects/clang400-import/contrib/llvm/lib/LTO/ThinLTOCodeGenerator.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/LTO/ThinLTOCodeGenerator.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/LTO/ThinLTOCodeGenerator.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -150,13 +150,13 @@ static void computePrevailingCopies( } static StringMap -generateModuleMap(const std::vector &Modules) { +generateModuleMap(const std::vector &Modules) { StringMap ModuleMap; for (auto &ModuleBuffer : Modules) { assert(ModuleMap.find(ModuleBuffer.getBufferIdentifier()) == ModuleMap.end() && "Expect unique Buffer Identifier"); - ModuleMap[ModuleBuffer.getBufferIdentifier()] = ModuleBuffer; + ModuleMap[ModuleBuffer.getBufferIdentifier()] = ModuleBuffer.getMemBuffer(); } return ModuleMap; } @@ -522,13 +522,13 @@ static void initTMBuilder(TargetMachineB } // end anonymous namespace void ThinLTOCodeGenerator::addModule(StringRef Identifier, StringRef Data) { - MemoryBufferRef Buffer(Data, Identifier); + ThinLTOBuffer Buffer(Data, Identifier); if (Modules.empty()) { // First module added, so initialize the triple and some options LLVMContext Context; StringRef TripleStr; - ErrorOr TripleOrErr = - expectedToErrorOrAndEmitErrors(Context, getBitcodeTargetTriple(Buffer)); + ErrorOr TripleOrErr = expectedToErrorOrAndEmitErrors( + Context, getBitcodeTargetTriple(Buffer.getMemBuffer())); if (TripleOrErr) TripleStr = *TripleOrErr; Triple TheTriple(TripleStr); @@ -538,8 +538,8 @@ void ThinLTOCodeGenerator::addModule(Str else { LLVMContext Context; StringRef TripleStr; - ErrorOr TripleOrErr = - expectedToErrorOrAndEmitErrors(Context, getBitcodeTargetTriple(Buffer)); + ErrorOr TripleOrErr = expectedToErrorOrAndEmitErrors( + Context, getBitcodeTargetTriple(Buffer.getMemBuffer())); if (TripleOrErr) TripleStr = *TripleOrErr; assert(TMBuilder.TheTriple.str() == TripleStr && @@ -588,7 +588,8 @@ std::unique_ptr Thin uint64_t NextModuleId = 0; for (auto &ModuleBuffer : Modules) { Expected> ObjOrErr = - object::ModuleSummaryIndexObjectFile::create(ModuleBuffer); + object::ModuleSummaryIndexObjectFile::create( + ModuleBuffer.getMemBuffer()); if (!ObjOrErr) { // FIXME diagnose logAllUnhandledErrors( @@ -852,8 +853,9 @@ void ThinLTOCodeGenerator::run() { Context.setDiscardValueNames(LTODiscardValueNames); // Parse module now - auto TheModule = loadModuleFromBuffer(ModuleBuffer, Context, false, - /*IsImporting*/ false); + auto TheModule = + loadModuleFromBuffer(ModuleBuffer.getMemBuffer(), Context, false, + /*IsImporting*/ false); // CodeGen auto OutputBuffer = codegen(*TheModule); @@ -943,8 +945,8 @@ void ThinLTOCodeGenerator::run() { std::iota(ModulesOrdering.begin(), ModulesOrdering.end(), 0); std::sort(ModulesOrdering.begin(), ModulesOrdering.end(), [&](int LeftIndex, int RightIndex) { - auto LSize = Modules[LeftIndex].getBufferSize(); - auto RSize = Modules[RightIndex].getBufferSize(); + auto LSize = Modules[LeftIndex].getBuffer().size(); + auto RSize = Modules[RightIndex].getBuffer().size(); return LSize > RSize; }); @@ -996,8 +998,9 @@ void ThinLTOCodeGenerator::run() { } // Parse module now - auto TheModule = loadModuleFromBuffer(ModuleBuffer, Context, false, - /*IsImporting*/ false); + auto TheModule = + loadModuleFromBuffer(ModuleBuffer.getMemBuffer(), Context, false, + /*IsImporting*/ false); // Save temps: original file. saveTempBitcode(*TheModule, SaveTempsDir, count, ".0.original.bc"); Modified: projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64CallingConvention.td ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64CallingConvention.td Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64CallingConvention.td Fri Feb 17 20:07:35 2017 (r313894) @@ -91,7 +91,7 @@ def RetCC_AArch64_AAPCS : CallingConv<[ CCIfType<[v2f32], CCBitConvertToType>, CCIfType<[v2f64, v4f32], CCBitConvertToType>, - CCIfSwiftError>>, + CCIfSwiftError>>, // Big endian vectors must be passed as if they were 1-element vectors so that // their lanes are in a consistent order. @@ -138,8 +138,8 @@ def CC_AArch64_DarwinPCS : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf>>, - // A SwiftError is passed in X19. - CCIfSwiftError>>, + // A SwiftError is passed in X21. + CCIfSwiftError>>, CCIfConsecutiveRegs>, @@ -289,7 +289,7 @@ def CSR_AArch64_AAPCS : CalleeSavedRegs< def CSR_AArch64_AAPCS_ThisReturn : CalleeSavedRegs<(add CSR_AArch64_AAPCS, X0)>; def CSR_AArch64_AAPCS_SwiftError - : CalleeSavedRegs<(sub CSR_AArch64_AAPCS, X19)>; + : CalleeSavedRegs<(sub CSR_AArch64_AAPCS, X21)>; // The function used by Darwin to obtain the address of a thread-local variable // guarantees more than a normal AAPCS function. x16 and x17 are used on the Modified: projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -3155,7 +3155,8 @@ AArch64TargetLowering::LowerCall(CallLow } if (VA.isRegLoc()) { - if (realArgIdx == 0 && Flags.isReturned() && Outs[0].VT == MVT::i64) { + if (realArgIdx == 0 && Flags.isReturned() && !Flags.isSwiftSelf() && + Outs[0].VT == MVT::i64) { assert(VA.getLocVT() == MVT::i64 && "unexpected calling convention register assignment"); assert(!Ins.empty() && Ins[0].VT == MVT::i64 && Modified: projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMCallingConv.td ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMCallingConv.td Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMCallingConv.td Fri Feb 17 20:07:35 2017 (r313894) @@ -26,8 +26,8 @@ def CC_ARM_APCS : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf>>, - // A SwiftError is passed in R6. - CCIfSwiftError>>, + // A SwiftError is passed in R8. + CCIfSwiftError>>, // Handle all vector types as either f64 or v2f64. CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType>, @@ -51,8 +51,8 @@ def RetCC_ARM_APCS : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf>>, - // A SwiftError is returned in R6. - CCIfSwiftError>>, + // A SwiftError is returned in R8. + CCIfSwiftError>>, // Handle all vector types as either f64 or v2f64. CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType>, @@ -166,8 +166,8 @@ def CC_ARM_AAPCS : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf>>, - // A SwiftError is passed in R6. - CCIfSwiftError>>, + // A SwiftError is passed in R8. + CCIfSwiftError>>, CCIfType<[f64, v2f64], CCCustom<"CC_ARM_AAPCS_Custom_f64">>, CCIfType<[f32], CCBitConvertToType>, @@ -182,8 +182,8 @@ def RetCC_ARM_AAPCS : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf>>, - // A SwiftError is returned in R6. - CCIfSwiftError>>, + // A SwiftError is returned in R8. + CCIfSwiftError>>, CCIfType<[f64, v2f64], CCCustom<"RetCC_ARM_AAPCS_Custom_f64">>, CCIfType<[f32], CCBitConvertToType>, @@ -206,8 +206,8 @@ def CC_ARM_AAPCS_VFP : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf>>, - // A SwiftError is passed in R6. - CCIfSwiftError>>, + // A SwiftError is passed in R8. + CCIfSwiftError>>, // HFAs are passed in a contiguous block of registers, or on the stack CCIfConsecutiveRegs>, @@ -227,8 +227,8 @@ def RetCC_ARM_AAPCS_VFP : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf>>, - // A SwiftError is returned in R6. - CCIfSwiftError>>, + // A SwiftError is returned in R8. + CCIfSwiftError>>, CCIfType<[v2f64], CCAssignToReg<[Q0, Q1, Q2, Q3]>>, CCIfType<[f64], CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7]>>, @@ -267,8 +267,8 @@ def CSR_AAPCS_ThisReturn : CalleeSavedRe // Also save R7-R4 first to match the stack frame fixed spill areas. def CSR_iOS : CalleeSavedRegs<(add LR, R7, R6, R5, R4, (sub CSR_AAPCS, R9))>; -// R6 is used to pass swifterror, remove it from CSR. -def CSR_iOS_SwiftError : CalleeSavedRegs<(sub CSR_iOS, R6)>; +// R8 is used to pass swifterror, remove it from CSR. +def CSR_iOS_SwiftError : CalleeSavedRegs<(sub CSR_iOS, R8)>; def CSR_iOS_ThisReturn : CalleeSavedRegs<(add LR, R7, R6, R5, R4, (sub CSR_AAPCS_ThisReturn, R9))>; Modified: projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMISelLowering.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMISelLowering.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Target/ARM/ARMISelLowering.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -1787,7 +1787,8 @@ ARMTargetLowering::LowerCall(TargetLower StackPtr, MemOpChains, Flags); } } else if (VA.isRegLoc()) { - if (realArgIdx == 0 && Flags.isReturned() && Outs[0].VT == MVT::i32) { + if (realArgIdx == 0 && Flags.isReturned() && !Flags.isSwiftSelf() && + Outs[0].VT == MVT::i32) { assert(VA.getLocVT() == MVT::i32 && "unexpected calling convention register assignment"); assert(!Ins.empty() && Ins[0].VT == MVT::i32 && Modified: projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -1013,7 +1013,9 @@ bool AddressSanitizer::isInterestingAllo (!ClSkipPromotableAllocas || !isAllocaPromotable(&AI)) && // inalloca allocas are not treated as static, and we don't want // dynamic alloca instrumentation for them as well. - !AI.isUsedWithInAlloca()); + !AI.isUsedWithInAlloca() && + // swifterror allocas are register promoted by ISel + !AI.isSwiftError()); ProcessedAllocas[&AI] = IsInteresting; return IsInteresting; @@ -1088,12 +1090,19 @@ Value *AddressSanitizer::isInterestingMe } } - // Do not instrument acesses from different address spaces; we cannot deal - // with them. if (PtrOperand) { + // Do not instrument acesses from different address spaces; we cannot deal + // with them. Type *PtrTy = cast(PtrOperand->getType()->getScalarType()); if (PtrTy->getPointerAddressSpace() != 0) return nullptr; + + // Ignore swifterror addresses. + // swifterror memory addresses are mem2reg promoted by instruction + // selection. As such they cannot have regular uses like an instrumentation + // function and it makes no sense to track them as memory. + if (PtrOperand->isSwiftError()) + return nullptr; } // Treat memory accesses to promotable allocas as non-interesting since they Modified: projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -488,6 +488,13 @@ bool ThreadSanitizer::instrumentLoadOrSt Value *Addr = IsWrite ? cast(I)->getPointerOperand() : cast(I)->getPointerOperand(); + + // swifterror memory addresses are mem2reg promoted by instruction selection. + // As such they cannot have regular uses like an instrumentation function and + // it makes no sense to track them as memory. + if (Addr->isSwiftError()) + return false; + int Idx = getMemoryAccessFuncIndex(Addr, DL); if (Idx < 0) return false; Modified: projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnroll.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnroll.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnroll.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -189,11 +189,14 @@ const Loop* llvm::addClonedBlockToLoopIn assert(OriginalBB == OldLoop->getHeader() && "Header should be first in RPO"); + NewLoop = new Loop(); Loop *NewLoopParent = NewLoops.lookup(OldLoop->getParentLoop()); - assert(NewLoopParent && - "Expected parent loop before sub-loop in RPO"); - NewLoop = new Loop; - NewLoopParent->addChildLoop(NewLoop); + + if (NewLoopParent) + NewLoopParent->addChildLoop(NewLoop); + else + LI->addTopLevelLoop(NewLoop); + NewLoop->addBasicBlockToLoop(ClonedBB, *LI); return OldLoop; } else { Modified: projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -302,17 +302,22 @@ static void CloneLoopBlocks(Loop *L, Val } NewLoopsMap NewLoops; - NewLoops[L] = NewLoop; + if (NewLoop) + NewLoops[L] = NewLoop; + else if (ParentLoop) + NewLoops[L] = ParentLoop; + // For each block in the original loop, create a new copy, // and update the value map with the newly created values. for (LoopBlocksDFS::RPOIterator BB = BlockBegin; BB != BlockEnd; ++BB) { BasicBlock *NewBB = CloneBasicBlock(*BB, VMap, "." + suffix, F); NewBlocks.push_back(NewBB); - - if (NewLoop) { + + // If we're unrolling the outermost loop, there's no remainder loop, + // and this block isn't in a nested loop, then the new block is not + // in any loop. Otherwise, add it to loopinfo. + if (CreateRemainderLoop || LI->getLoopFor(*BB) != L || ParentLoop) addClonedBlockToLoopInfo(*BB, NewBB, LI, NewLoops); - } else if (ParentLoop) - ParentLoop->addBasicBlockToLoop(NewBB, *LI); VMap[*BB] = NewBB; if (Header == *BB) { Modified: projects/clang400-import/contrib/llvm/tools/clang/lib/AST/ExprConstant.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/tools/clang/lib/AST/ExprConstant.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/tools/clang/lib/AST/ExprConstant.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -604,10 +604,12 @@ namespace { /// gets a chance to look at it. EM_PotentialConstantExpressionUnevaluated, - /// Evaluate as a constant expression. Continue evaluating if either: - /// - We find a MemberExpr with a base that can't be evaluated. - /// - We find a variable initialized with a call to a function that has - /// the alloc_size attribute on it. + /// Evaluate as a constant expression. In certain scenarios, if: + /// - we find a MemberExpr with a base that can't be evaluated, or + /// - we find a variable initialized with a call to a function that has + /// the alloc_size attribute on it + /// then we may consider evaluation to have succeeded. + /// /// In either case, the LValue returned shall have an invalid base; in the /// former, the base will be the invalid MemberExpr, in the latter, the /// base will be either the alloc_size CallExpr or a CastExpr wrapping @@ -890,10 +892,6 @@ namespace { return KeepGoing; } - bool allowInvalidBaseExpr() const { - return EvalMode == EM_OffsetFold; - } - class ArrayInitLoopIndex { EvalInfo &Info; uint64_t OuterIndex; @@ -1394,8 +1392,10 @@ static bool Evaluate(APValue &Result, Ev static bool EvaluateInPlace(APValue &Result, EvalInfo &Info, const LValue &This, const Expr *E, bool AllowNonLiteralTypes = false); -static bool EvaluateLValue(const Expr *E, LValue &Result, EvalInfo &Info); -static bool EvaluatePointer(const Expr *E, LValue &Result, EvalInfo &Info); +static bool EvaluateLValue(const Expr *E, LValue &Result, EvalInfo &Info, + bool InvalidBaseOK = false); +static bool EvaluatePointer(const Expr *E, LValue &Result, EvalInfo &Info, + bool InvalidBaseOK = false); static bool EvaluateMemberPointer(const Expr *E, MemberPtr &Result, EvalInfo &Info); static bool EvaluateTemporary(const Expr *E, LValue &Result, EvalInfo &Info); @@ -4803,6 +4803,7 @@ class LValueExprEvaluatorBase : public ExprEvaluatorBase { protected: LValue &Result; + bool InvalidBaseOK; typedef LValueExprEvaluatorBase LValueExprEvaluatorBaseTy; typedef ExprEvaluatorBase ExprEvaluatorBaseTy; @@ -4811,9 +4812,14 @@ protected: return true; } + bool evaluatePointer(const Expr *E, LValue &Result) { + return EvaluatePointer(E, Result, this->Info, InvalidBaseOK); + } + public: - LValueExprEvaluatorBase(EvalInfo &Info, LValue &Result) : - ExprEvaluatorBaseTy(Info), Result(Result) {} + LValueExprEvaluatorBase(EvalInfo &Info, LValue &Result, bool InvalidBaseOK) + : ExprEvaluatorBaseTy(Info), Result(Result), + InvalidBaseOK(InvalidBaseOK) {} bool Success(const APValue &V, const Expr *E) { Result.setFrom(this->Info.Ctx, V); @@ -4825,7 +4831,7 @@ public: QualType BaseTy; bool EvalOK; if (E->isArrow()) { - EvalOK = EvaluatePointer(E->getBase(), Result, this->Info); + EvalOK = evaluatePointer(E->getBase(), Result); BaseTy = E->getBase()->getType()->castAs()->getPointeeType(); } else if (E->getBase()->isRValue()) { assert(E->getBase()->getType()->isRecordType()); @@ -4836,7 +4842,7 @@ public: BaseTy = E->getBase()->getType(); } if (!EvalOK) { - if (!this->Info.allowInvalidBaseExpr()) + if (!InvalidBaseOK) return false; Result.setInvalid(E); return true; @@ -4930,8 +4936,8 @@ namespace { class LValueExprEvaluator : public LValueExprEvaluatorBase { public: - LValueExprEvaluator(EvalInfo &Info, LValue &Result) : - LValueExprEvaluatorBaseTy(Info, Result) {} + LValueExprEvaluator(EvalInfo &Info, LValue &Result, bool InvalidBaseOK) : + LValueExprEvaluatorBaseTy(Info, Result, InvalidBaseOK) {} bool VisitVarDecl(const Expr *E, const VarDecl *VD); bool VisitUnaryPreIncDec(const UnaryOperator *UO); @@ -4984,10 +4990,11 @@ public: /// * function designators in C, and /// * "extern void" objects /// * @selector() expressions in Objective-C -static bool EvaluateLValue(const Expr *E, LValue &Result, EvalInfo &Info) { +static bool EvaluateLValue(const Expr *E, LValue &Result, EvalInfo &Info, + bool InvalidBaseOK) { assert(E->isGLValue() || E->getType()->isFunctionType() || E->getType()->isVoidType() || isa(E)); - return LValueExprEvaluator(Info, Result).Visit(E); + return LValueExprEvaluator(Info, Result, InvalidBaseOK).Visit(E); } bool LValueExprEvaluator::VisitDeclRefExpr(const DeclRefExpr *E) { @@ -5148,7 +5155,7 @@ bool LValueExprEvaluator::VisitArraySubs if (E->getBase()->getType()->isVectorType()) return Error(E); - if (!EvaluatePointer(E->getBase(), Result, Info)) + if (!evaluatePointer(E->getBase(), Result)) return false; APSInt Index; @@ -5160,7 +5167,7 @@ bool LValueExprEvaluator::VisitArraySubs } bool LValueExprEvaluator::VisitUnaryDeref(const UnaryOperator *E) { - return EvaluatePointer(E->getSubExpr(), Result, Info); + return evaluatePointer(E->getSubExpr(), Result); } bool LValueExprEvaluator::VisitUnaryReal(const UnaryOperator *E) { @@ -5308,7 +5315,7 @@ static bool getBytesReturnedByAllocSizeC /// and mark Result's Base as invalid. static bool evaluateLValueAsAllocSize(EvalInfo &Info, APValue::LValueBase Base, LValue &Result) { - if (!Info.allowInvalidBaseExpr() || Base.isNull()) + if (Base.isNull()) return false; // Because we do no form of static analysis, we only support const variables. @@ -5342,17 +5349,27 @@ namespace { class PointerExprEvaluator : public ExprEvaluatorBase { LValue &Result; + bool InvalidBaseOK; bool Success(const Expr *E) { Result.set(E); return true; } + bool evaluateLValue(const Expr *E, LValue &Result) { + return EvaluateLValue(E, Result, Info, InvalidBaseOK); + } + + bool evaluatePointer(const Expr *E, LValue &Result) { + return EvaluatePointer(E, Result, Info, InvalidBaseOK); + } + bool visitNonBuiltinCallExpr(const CallExpr *E); public: - PointerExprEvaluator(EvalInfo &info, LValue &Result) - : ExprEvaluatorBaseTy(info), Result(Result) {} + PointerExprEvaluator(EvalInfo &info, LValue &Result, bool InvalidBaseOK) + : ExprEvaluatorBaseTy(info), Result(Result), + InvalidBaseOK(InvalidBaseOK) {} bool Success(const APValue &V, const Expr *E) { Result.setFrom(Info.Ctx, V); @@ -5399,9 +5416,10 @@ public: }; } // end anonymous namespace -static bool EvaluatePointer(const Expr* E, LValue& Result, EvalInfo &Info) { +static bool EvaluatePointer(const Expr* E, LValue& Result, EvalInfo &Info, + bool InvalidBaseOK) { assert(E->isRValue() && E->getType()->hasPointerRepresentation()); - return PointerExprEvaluator(Info, Result).Visit(E); + return PointerExprEvaluator(Info, Result, InvalidBaseOK).Visit(E); } bool PointerExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) { @@ -5414,7 +5432,7 @@ bool PointerExprEvaluator::VisitBinaryOp if (IExp->getType()->isPointerType()) std::swap(PExp, IExp); - bool EvalPtrOK = EvaluatePointer(PExp, Result, Info); + bool EvalPtrOK = evaluatePointer(PExp, Result); if (!EvalPtrOK && !Info.noteFailure()) return false; @@ -5432,7 +5450,7 @@ bool PointerExprEvaluator::VisitBinaryOp } bool PointerExprEvaluator::VisitUnaryAddrOf(const UnaryOperator *E) { - return EvaluateLValue(E->getSubExpr(), Result, Info); + return evaluateLValue(E->getSubExpr(), Result); } bool PointerExprEvaluator::VisitCastExpr(const CastExpr* E) { @@ -5466,7 +5484,7 @@ bool PointerExprEvaluator::VisitCastExpr case CK_DerivedToBase: case CK_UncheckedDerivedToBase: - if (!EvaluatePointer(E->getSubExpr(), Result, Info)) + if (!evaluatePointer(E->getSubExpr(), Result)) return false; if (!Result.Base && Result.Offset.isZero()) return true; @@ -5513,7 +5531,7 @@ bool PointerExprEvaluator::VisitCastExpr } case CK_ArrayToPointerDecay: if (SubExpr->isGLValue()) { - if (!EvaluateLValue(SubExpr, Result, Info)) + if (!evaluateLValue(SubExpr, Result)) return false; } else { Result.set(SubExpr, Info.CurrentCall->Index); @@ -5530,18 +5548,19 @@ bool PointerExprEvaluator::VisitCastExpr return true; case CK_FunctionToPointerDecay: - return EvaluateLValue(SubExpr, Result, Info); + return evaluateLValue(SubExpr, Result); case CK_LValueToRValue: { LValue LVal; - if (!EvaluateLValue(E->getSubExpr(), LVal, Info)) + if (!evaluateLValue(E->getSubExpr(), LVal)) return false; APValue RVal; // Note, we use the subexpression's type in order to retain cv-qualifiers. if (!handleLValueToRValueConversion(Info, E, E->getSubExpr()->getType(), LVal, RVal)) - return evaluateLValueAsAllocSize(Info, LVal.Base, Result); + return InvalidBaseOK && + evaluateLValueAsAllocSize(Info, LVal.Base, Result); return Success(RVal, E); } } @@ -5586,7 +5605,7 @@ bool PointerExprEvaluator::visitNonBuilt if (ExprEvaluatorBaseTy::VisitCallExpr(E)) return true; - if (!(Info.allowInvalidBaseExpr() && getAllocSizeAttr(E))) + if (!(InvalidBaseOK && getAllocSizeAttr(E))) return false; Result.setInvalid(E); @@ -5609,12 +5628,12 @@ bool PointerExprEvaluator::VisitBuiltinC unsigned BuiltinOp) { switch (BuiltinOp) { case Builtin::BI__builtin_addressof: - return EvaluateLValue(E->getArg(0), Result, Info); + return evaluateLValue(E->getArg(0), Result); case Builtin::BI__builtin_assume_aligned: { // We need to be very careful here because: if the pointer does not have the // asserted alignment, then the behavior is undefined, and undefined // behavior is non-constant. - if (!EvaluatePointer(E->getArg(0), Result, Info)) + if (!evaluatePointer(E->getArg(0), Result)) return false; LValue OffsetResult(Result); @@ -6255,7 +6274,7 @@ class TemporaryExprEvaluator : public LValueExprEvaluatorBase { public: TemporaryExprEvaluator(EvalInfo &Info, LValue &Result) : - LValueExprEvaluatorBaseTy(Info, Result) {} + LValueExprEvaluatorBaseTy(Info, Result, false) {} /// Visit an expression which constructs the value of this temporary. bool VisitConstructExpr(const Expr *E) { @@ -7358,7 +7377,8 @@ static bool tryEvaluateBuiltinObjectSize if (!EvaluateAsRValue(Info, E, RVal)) return false; LVal.setFrom(Info.Ctx, RVal); - } else if (!EvaluatePointer(ignorePointerCastsAndParens(E), LVal, Info)) + } else if (!EvaluatePointer(ignorePointerCastsAndParens(E), LVal, Info, + /*InvalidBaseOK=*/true)) return false; } Modified: projects/clang400-import/contrib/llvm/tools/clang/lib/CodeGen/CodeGenModule.h ============================================================================== --- projects/clang400-import/contrib/llvm/tools/clang/lib/CodeGen/CodeGenModule.h Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/tools/clang/lib/CodeGen/CodeGenModule.h Fri Feb 17 20:07:35 2017 (r313894) @@ -166,7 +166,7 @@ struct ObjCEntrypoints { /// void objc_release(id); llvm::Constant *objc_release; - /// id objc_storeStrong(id*, id); + /// void objc_storeStrong(id*, id); llvm::Constant *objc_storeStrong; /// id objc_storeWeak(id*, id); Modified: projects/clang400-import/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -2408,7 +2408,7 @@ Parser::ParseParenExpression(ParenParseO // fold-expressions, we'll need to allow multiple ArgExprs here. if (ArgExprs.size() == 1 && isFoldOperator(Tok.getKind()) && NextToken().is(tok::ellipsis)) - return ParseFoldExpression(Result, T); + return ParseFoldExpression(ArgExprs[0], T); ExprType = SimpleExpr; Result = Actions.ActOnParenListExpr(OpenLoc, Tok.getLocation(), Modified: projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaLookup.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaLookup.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaLookup.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -2831,6 +2831,9 @@ Sema::SpecialMemberOverloadResult *Sema: assert((SM != CXXDefaultConstructor && SM != CXXDestructor) && "parameter-less special members can't have qualified arguments"); + // FIXME: Get the caller to pass in a location for the lookup. + SourceLocation LookupLoc = RD->getLocation(); + llvm::FoldingSetNodeID ID; ID.AddPointer(RD); ID.AddInteger(SM); @@ -2912,7 +2915,7 @@ Sema::SpecialMemberOverloadResult *Sema: VK = VK_RValue; } - OpaqueValueExpr FakeArg(SourceLocation(), ArgType, VK); + OpaqueValueExpr FakeArg(LookupLoc, ArgType, VK); if (SM != CXXDefaultConstructor) { NumArgs = 1; @@ -2926,13 +2929,13 @@ Sema::SpecialMemberOverloadResult *Sema: if (VolatileThis) ThisTy.addVolatile(); Expr::Classification Classification = - OpaqueValueExpr(SourceLocation(), ThisTy, + OpaqueValueExpr(LookupLoc, ThisTy, RValueThis ? VK_RValue : VK_LValue).Classify(Context); // Now we perform lookup on the name we computed earlier and do overload // resolution. Lookup is only performed directly into the class since there // will always be a (possibly implicit) declaration to shadow any others. - OverloadCandidateSet OCS(RD->getLocation(), OverloadCandidateSet::CSK_Normal); + OverloadCandidateSet OCS(LookupLoc, OverloadCandidateSet::CSK_Normal); DeclContext::lookup_result R = RD->lookup(Name); if (R.empty()) { @@ -2987,7 +2990,7 @@ Sema::SpecialMemberOverloadResult *Sema: } OverloadCandidateSet::iterator Best; - switch (OCS.BestViableFunction(*this, SourceLocation(), Best)) { + switch (OCS.BestViableFunction(*this, LookupLoc, Best)) { case OR_Success: Result->setMethod(cast(Best->Function)); Result->setKind(SpecialMemberOverloadResult::Success); Modified: projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaStmt.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaStmt.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaStmt.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -2743,15 +2743,17 @@ bool Sema::isCopyElisionCandidate(QualTy // ...automatic... if (!VD->hasLocalStorage()) return false; + // Return false if VD is a __block variable. We don't want to implicitly move + // out of a __block variable during a return because we cannot assume the + // variable will no longer be used. + if (VD->hasAttr()) return false; + if (AllowParamOrMoveConstructible) return true; // ...non-volatile... if (VD->getType().isVolatileQualified()) return false; - // __block variables can't be allocated in a way that permits NRVO. - if (VD->hasAttr()) return false; - // Variables with higher required alignment than their type's ABI // alignment cannot use NRVO. if (!VD->getType()->isDependentType() && VD->hasAttr() && Modified: projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaTemplateVariadic.cpp ============================================================================== --- projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaTemplateVariadic.cpp Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/contrib/llvm/tools/clang/lib/Sema/SemaTemplateVariadic.cpp Fri Feb 17 20:07:35 2017 (r313894) @@ -1014,6 +1014,11 @@ ExprResult Sema::ActOnCXXFoldExpr(Source CheckFoldOperand(*this, LHS); CheckFoldOperand(*this, RHS); + auto DiscardOperands = [&] { + CorrectDelayedTyposInExpr(LHS); + CorrectDelayedTyposInExpr(RHS); + }; + // [expr.prim.fold]p3: // In a binary fold, op1 and op2 shall be the same fold-operator, and // either e1 shall contain an unexpanded parameter pack or e2 shall contain @@ -1021,6 +1026,7 @@ ExprResult Sema::ActOnCXXFoldExpr(Source if (LHS && RHS && LHS->containsUnexpandedParameterPack() == RHS->containsUnexpandedParameterPack()) { + DiscardOperands(); return Diag(EllipsisLoc, LHS->containsUnexpandedParameterPack() ? diag::err_fold_expression_packs_both_sides @@ -1034,6 +1040,7 @@ ExprResult Sema::ActOnCXXFoldExpr(Source if (!LHS || !RHS) { Expr *Pack = LHS ? LHS : RHS; assert(Pack && "fold expression with neither LHS nor RHS"); + DiscardOperands(); if (!Pack->containsUnexpandedParameterPack()) return Diag(EllipsisLoc, diag::err_pack_expansion_without_parameter_packs) << Pack->getSourceRange(); Modified: projects/clang400-import/lib/clang/include/clang/Basic/Version.inc ============================================================================== --- projects/clang400-import/lib/clang/include/clang/Basic/Version.inc Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/lib/clang/include/clang/Basic/Version.inc Fri Feb 17 20:07:35 2017 (r313894) @@ -8,4 +8,4 @@ #define CLANG_VENDOR "FreeBSD " -#define SVN_REVISION "294803" +#define SVN_REVISION "295380" Modified: projects/clang400-import/lib/clang/include/lld/Config/Version.inc ============================================================================== --- projects/clang400-import/lib/clang/include/lld/Config/Version.inc Fri Feb 17 20:04:22 2017 (r313893) +++ projects/clang400-import/lib/clang/include/lld/Config/Version.inc Fri Feb 17 20:07:35 2017 (r313894) @@ -4,5 +4,5 @@ #define LLD_VERSION_STRING "4.0.0" #define LLD_VERSION_MAJOR 4 #define LLD_VERSION_MINOR 0 -#define LLD_REVISION_STRING "294803" +#define LLD_REVISION_STRING "295380" #define LLD_REPOSITORY_STRING "FreeBSD"