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Merge llvm-project release/13.x llvmorg-13.0.0-rc3-8-g08642a395f23

Browse Source 
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-13.0.0-rc3-8-g08642a395f23.

PR:		258209
MFC after:	2 weeks
This commit is contained in:
Dimitry Andric 2021-09-19 10:42:48 +02:00
commit 8c6f6c0c80
22 changed files with 193 additions and 128 deletions
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3
contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntime.cpp
View File

@ -2120,11 +2120,12 @@ void CGOpenMPRuntime::emitParallelCall(CodeGenFunction &CGF, SourceLocation Loc,
OutlinedFnArgs.append(CapturedVars.begin(), CapturedVars.end());
// Ensure we do not inline the function. This is trivially true for the ones
// passed to __kmpc_fork_call but the ones calles in serialized regions
// passed to __kmpc_fork_call but the ones called in serialized regions
// could be inlined. This is not a perfect but it is closer to the invariant
// we want, namely, every data environment starts with a new function.
// TODO: We should pass the if condition to the runtime function and do the
// handling there. Much cleaner code.
OutlinedFn->removeFnAttr(llvm::Attribute::AlwaysInline);
OutlinedFn->addFnAttr(llvm::Attribute::NoInline);
RT.emitOutlinedFunctionCall(CGF, Loc, OutlinedFn, OutlinedFnArgs);

17
contrib/llvm-project/clang/lib/Format/TokenAnnotator.cpp
View File

@ -2398,7 +2398,7 @@ void TokenAnnotator::annotate(AnnotatedLine &Line) {
// This function heuristically determines whether 'Current' starts the name of a
// function declaration.
static bool isFunctionDeclarationName(const FormatToken &Current,
static bool isFunctionDeclarationName(bool IsCpp, const FormatToken &Current,
const AnnotatedLine &Line) {
auto skipOperatorName = [](const FormatToken *Next) -> const FormatToken * {
for (; Next; Next = Next->Next) {
@ -2476,14 +2476,21 @@ static bool isFunctionDeclarationName(const FormatToken &Current,
if (Next->MatchingParen->Next &&
Next->MatchingParen->Next->is(TT_PointerOrReference))
return true;
// Check for K&R C function definitions, e.g.:
// Check for K&R C function definitions (and C++ function definitions with
// unnamed parameters), e.g.:
// int f(i)
// {
// return i + 1;
// }
if (Next->Next && Next->Next->is(tok::identifier) &&
!(Next->MatchingParen->Next && Next->MatchingParen->Next->is(tok::semi)))
// bool g(size_t = 0, bool b = false)
// {
// return !b;
// }
if (IsCpp && Next->Next && Next->Next->is(tok::identifier) &&
!Line.endsWith(tok::semi))
return true;
for (const FormatToken *Tok = Next->Next; Tok && Tok != Next->MatchingParen;
Tok = Tok->Next) {
if (Tok->is(TT_TypeDeclarationParen))
@ -2544,7 +2551,7 @@ void TokenAnnotator::calculateFormattingInformation(AnnotatedLine &Line) {
calculateArrayInitializerColumnList(Line);
while (Current) {
if (isFunctionDeclarationName(*Current, Line))
if (isFunctionDeclarationName(Style.isCpp(), *Current, Line))
Current->setType(TT_FunctionDeclarationName);
if (Current->is(TT_LineComment)) {
if (Current->Previous->is(BK_BracedInit) &&

41
contrib/llvm-project/clang/lib/Format/UnwrappedLineParser.cpp
View File

@ -995,6 +995,13 @@ static bool isJSDeclOrStmt(const AdditionalKeywords &Keywords,
Keywords.kw_import, tok::kw_export);
}
// Checks whether a token is a type in K&R C (aka C78).
static bool isC78Type(const FormatToken &Tok) {
return Tok.isOneOf(tok::kw_char, tok::kw_short, tok::kw_int, tok::kw_long,
tok::kw_unsigned, tok::kw_float, tok::kw_double,
tok::identifier);
}
// This function checks whether a token starts the first parameter declaration
// in a K&R C (aka C78) function definition, e.g.:
// int f(a, b)
@ -1002,13 +1009,24 @@ static bool isJSDeclOrStmt(const AdditionalKeywords &Keywords,
// {
// return a + b;
// }
static bool isC78ParameterDecl(const FormatToken *Tok) {
if (!Tok)
static bool isC78ParameterDecl(const FormatToken *Tok, const FormatToken *Next,
const FormatToken *FuncName) {
assert(Tok);
assert(Next);
assert(FuncName);
if (FuncName->isNot(tok::identifier))
return false;
if (!Tok->isOneOf(tok::kw_int, tok::kw_char, tok::kw_float, tok::kw_double,
tok::kw_struct, tok::kw_union, tok::kw_long, tok::kw_short,
tok::kw_unsigned, tok::kw_register, tok::identifier))
const FormatToken *Prev = FuncName->Previous;
if (!Prev || (Prev->isNot(tok::star) && !isC78Type(*Prev)))
return false;
if (!isC78Type(*Tok) &&
!Tok->isOneOf(tok::kw_register, tok::kw_struct, tok::kw_union))
return false;
if (Next->isNot(tok::star) && !Next->Tok.getIdentifierInfo())
return false;
Tok = Tok->Previous;
@ -1369,21 +1387,20 @@ void UnwrappedLineParser::parseStructuralElement(bool IsTopLevel) {
case tok::r_brace:
addUnwrappedLine();
return;
case tok::l_paren:
case tok::l_paren: {
parseParens();
// Break the unwrapped line if a K&R C function definition has a parameter
// declaration.
if (!IsTopLevel || !Style.isCpp())
if (!IsTopLevel || !Style.isCpp() || !Previous || FormatTok->is(tok::eof))
break;
if (!Previous || Previous->isNot(tok::identifier))
break;
if (Previous->Previous && Previous->Previous->is(tok::at))
break;
if (isC78ParameterDecl(FormatTok)) {
const unsigned Position = Tokens->getPosition() + 1;
assert(Position < AllTokens.size());
if (isC78ParameterDecl(FormatTok, AllTokens[Position], Previous)) {
addUnwrappedLine();
return;
}
break;
}
case tok::kw_operator:
nextToken();
if (FormatTok->isBinaryOperator())

2
contrib/llvm-project/clang/lib/Headers/openmp_wrappers/complex
View File

@ -36,7 +36,7 @@
#ifndef _LIBCPP_STD_VER
#pragma omp begin declare variant match( \
device = {arch(nvptx, nvptx64)}, \
device = {arch(amdgcn, nvptx, nvptx64)}, \
implementation = {extension(match_any, allow_templates)})
#include <complex_cmath.h>

3
contrib/llvm-project/clang/lib/Sema/SemaStmt.cpp
View File

@ -3481,7 +3481,8 @@ VerifyInitializationSequenceCXX98(const Sema &S,
ExprResult Sema::PerformMoveOrCopyInitialization(
const InitializedEntity &Entity, const NamedReturnInfo &NRInfo, Expr *Value,
bool SupressSimplerImplicitMoves) {
if ((!getLangOpts().CPlusPlus2b || SupressSimplerImplicitMoves) &&
if (getLangOpts().CPlusPlus &&
(!getLangOpts().CPlusPlus2b || SupressSimplerImplicitMoves) &&
NRInfo.isMoveEligible()) {
ImplicitCastExpr AsRvalue(ImplicitCastExpr::OnStack, Value->getType(),
CK_NoOp, Value, VK_XValue, FPOptionsOverride());

9
contrib/llvm-project/compiler-rt/lib/builtins/clear_cache.c
View File

@ -35,7 +35,7 @@ uintptr_t GetCurrentProcess(void);
#include <machine/sysarch.h>
#endif
#if defined(__OpenBSD__) && (defined(__arm__) || defined(__mips__))
#if defined(__OpenBSD__) && (defined(__arm__) || defined(__mips__) || defined(__riscv))
// clang-format off
#include <sys/types.h>
#include <machine/sysarch.h>
@ -166,6 +166,13 @@ void __clear_cache(void *start, void *end) {
: "=r"(start_reg)
: "r"(start_reg), "r"(end_reg), "r"(flags), "r"(syscall_nr));
assert(start_reg == 0 && "Cache flush syscall failed.");
#elif defined(__riscv) && defined(__OpenBSD__)
struct riscv_sync_icache_args arg;
arg.addr = (uintptr_t)start;
arg.len = (uintptr_t)end - (uintptr_t)start;
sysarch(RISCV_SYNC_ICACHE, &arg);
#else
#if __APPLE__
// On Darwin, sys_icache_invalidate() provides this functionality

1
contrib/llvm-project/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm64.h
View File

@ -110,6 +110,7 @@ class RegisterInfoPOSIX_arm64
bool IsSVEEnabled() const { return m_opt_regsets.AnySet(eRegsetMaskSVE); }
bool IsPAuthEnabled() const { return m_opt_regsets.AnySet(eRegsetMaskPAuth); }
bool IsMTEEnabled() const { return m_opt_regsets.AnySet(eRegsetMaskMTE); }
bool IsSVEReg(unsigned reg) const;
bool IsSVEZReg(unsigned reg) const;

16
contrib/llvm-project/llvm/include/llvm/MC/MCContext.h
View File

@ -374,17 +374,17 @@ namespace llvm {
bool operator<(const ELFEntrySizeKey &Other) const {
if (SectionName != Other.SectionName)
return SectionName < Other.SectionName;
if (Flags != Other.Flags)
return Flags < Other.Flags;
if ((Flags & ELF::SHF_STRINGS) != (Other.Flags & ELF::SHF_STRINGS))
return Other.Flags & ELF::SHF_STRINGS;
return EntrySize < Other.EntrySize;
}
};
// Symbols must be assigned to a section with a compatible entry size and
// flags. This map is used to assign unique IDs to sections to distinguish
// between sections with identical names but incompatible entry sizes and/or
// flags. This can occur when a symbol is explicitly assigned to a section,
// e.g. via __attribute__((section("myname"))).
// Symbols must be assigned to a section with a compatible entry
// size. This map is used to assign unique IDs to sections to
// distinguish between sections with identical names but incompatible entry
// sizes. This can occur when a symbol is explicitly assigned to a
// section, e.g. via __attribute__((section("myname"))).
std::map<ELFEntrySizeKey, unsigned> ELFEntrySizeMap;
// This set is used to record the generic mergeable section names seen.
@ -592,8 +592,6 @@ namespace llvm {
bool isELFGenericMergeableSection(StringRef Name);
/// Return the unique ID of the section with the given name, flags and entry
/// size, if it exists.
Optional<unsigned> getELFUniqueIDForEntsize(StringRef SectionName,
unsigned Flags,
unsigned EntrySize);

2
contrib/llvm-project/llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h
View File

@ -65,7 +65,7 @@ class MemCpyOptPass : public PassInfoMixin<MemCpyOptPass> {
bool processMemCpy(MemCpyInst *M, BasicBlock::iterator &BBI);
bool processMemMove(MemMoveInst *M);
bool performCallSlotOptzn(Instruction *cpyLoad, Instruction *cpyStore,
Value *cpyDst, Value *cpySrc, uint64_t cpyLen,
Value *cpyDst, Value *cpySrc, TypeSize cpyLen,
Align cpyAlign, CallInst *C);
bool processMemCpyMemCpyDependence(MemCpyInst *M, MemCpyInst *MDep);
bool processMemSetMemCpyDependence(MemCpyInst *MemCpy, MemSetInst *MemSet);

6
contrib/llvm-project/llvm/lib/IR/Constants.cpp
View File

@ -315,10 +315,12 @@ containsUndefinedElement(const Constant *C,
return false;
for (unsigned i = 0, e = cast<FixedVectorType>(VTy)->getNumElements();
i != e; ++i)
if (HasFn(C->getAggregateElement(i)))
i != e; ++i) {
if (Constant *Elem = C->getAggregateElement(i))
if (HasFn(Elem))
return true;
}
}
return false;
}

2
contrib/llvm-project/llvm/lib/MC/MCContext.cpp
View File

@ -586,7 +586,7 @@ void MCContext::recordELFMergeableSectionInfo(StringRef SectionName,
unsigned Flags, unsigned UniqueID,
unsigned EntrySize) {
bool IsMergeable = Flags & ELF::SHF_MERGE;
if (UniqueID == GenericSectionID)
if (IsMergeable && (UniqueID == GenericSectionID))
ELFSeenGenericMergeableSections.insert(SectionName);
// For mergeable sections or non-mergeable sections with a generic mergeable

3
contrib/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
View File

@ -4161,7 +4161,8 @@ bool AArch64TargetLowering::shouldExtendGSIndex(EVT VT, EVT &EltTy) const {
bool AArch64TargetLowering::shouldRemoveExtendFromGSIndex(EVT VT) const {
if (VT.getVectorElementType() == MVT::i32 &&
VT.getVectorElementCount().getKnownMinValue() >= 4)
VT.getVectorElementCount().getKnownMinValue() >= 4 &&
!VT.isFixedLengthVector())
return true;
return false;

45
contrib/llvm-project/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
View File

@ -103,8 +103,7 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
getActionDefinitionsBuilder(G_BSWAP)
.legalFor({s32, s64, v4s32, v2s32, v2s64})
.clampScalar(0, s32, s64)
.widenScalarToNextPow2(0)
.customIf(typeIs(0, v2s16)); // custom lower as G_REV32 + G_LSHR
.widenScalarToNextPow2(0);
getActionDefinitionsBuilder({G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR})
.legalFor({s32, s64, v2s32, v4s32, v4s16, v8s16, v16s8, v8s8})
@ -799,8 +798,6 @@ bool AArch64LegalizerInfo::legalizeCustom(LegalizerHelper &Helper,
case TargetOpcode::G_LOAD:
case TargetOpcode::G_STORE:
return legalizeLoadStore(MI, MRI, MIRBuilder, Observer);
case TargetOpcode::G_BSWAP:
return legalizeBSwap(MI, MRI, MIRBuilder);
case TargetOpcode::G_SHL:
case TargetOpcode::G_ASHR:
case TargetOpcode::G_LSHR:
@ -1015,46 +1012,6 @@ bool AArch64LegalizerInfo::legalizeLoadStore(
return true;
}
bool AArch64LegalizerInfo::legalizeBSwap(MachineInstr &MI,
MachineRegisterInfo &MRI,
MachineIRBuilder &MIRBuilder) const {
assert(MI.getOpcode() == TargetOpcode::G_BSWAP);
// The <2 x half> case needs special lowering because there isn't an
// instruction that does that directly. Instead, we widen to <8 x i8>
// and emit a G_REV32 followed by a G_LSHR knowing that instruction selection
// will later match them as:
//
// rev32.8b v0, v0
// ushr.2s v0, v0, #16
//
// We could emit those here directly, but it seems better to keep things as
// generic as possible through legalization, and avoid committing layering
// violations by legalizing & selecting here at the same time.
Register ValReg = MI.getOperand(1).getReg();
assert(LLT::fixed_vector(2, 16) == MRI.getType(ValReg));
const LLT v2s32 = LLT::fixed_vector(2, 32);
const LLT v8s8 = LLT::fixed_vector(8, 8);
const LLT s32 = LLT::scalar(32);
auto Undef = MIRBuilder.buildUndef(v8s8);
auto Insert =
MIRBuilder
.buildInstr(TargetOpcode::INSERT_SUBREG, {v8s8}, {Undef, ValReg})
.addImm(AArch64::ssub);
auto Rev32 = MIRBuilder.buildInstr(AArch64::G_REV32, {v8s8}, {Insert});
auto Bitcast = MIRBuilder.buildBitcast(v2s32, Rev32);
auto Amt = MIRBuilder.buildConstant(v2s32, 16);
auto UShr =
MIRBuilder.buildInstr(TargetOpcode::G_LSHR, {v2s32}, {Bitcast, Amt});
auto Zero = MIRBuilder.buildConstant(s32, 0);
auto Extract = MIRBuilder.buildExtractVectorElement(s32, UShr, Zero);
MIRBuilder.buildBitcast({MI.getOperand(0).getReg()}, Extract);
MI.eraseFromParent();
return true;
}
bool AArch64LegalizerInfo::legalizeVaArg(MachineInstr &MI,
MachineRegisterInfo &MRI,
MachineIRBuilder &MIRBuilder) const {

2
contrib/llvm-project/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
View File

@ -35,8 +35,6 @@ class AArch64LegalizerInfo : public LegalizerInfo {
MachineInstr &MI) const override;
private:
bool legalizeBSwap(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &MIRBuilder) const;
bool legalizeVaArg(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &MIRBuilder) const;
bool legalizeLoadStore(MachineInstr &MI, MachineRegisterInfo &MRI,

8
contrib/llvm-project/llvm/lib/Target/X86/X86FrameLowering.cpp
View File

@ -671,7 +671,9 @@ void X86FrameLowering::emitStackProbeInlineGenericLoop(
MF.insert(MBBIter, testMBB);
MF.insert(MBBIter, tailMBB);
Register FinalStackProbed = Uses64BitFramePtr ? X86::R11 : X86::R11D;
Register FinalStackProbed = Uses64BitFramePtr ? X86::R11
: Is64Bit ? X86::R11D
: X86::EAX;
BuildMI(MBB, MBBI, DL, TII.get(TargetOpcode::COPY), FinalStackProbed)
.addReg(StackPtr)
.setMIFlag(MachineInstr::FrameSetup);
@ -1092,7 +1094,9 @@ void X86FrameLowering::BuildStackAlignAND(MachineBasicBlock &MBB,
MF.insert(MBBIter, bodyMBB);
MF.insert(MBBIter, footMBB);
const unsigned MovMIOpc = Is64Bit ? X86::MOV64mi32 : X86::MOV32mi;
Register FinalStackProbed = Uses64BitFramePtr ? X86::R11 : X86::R11D;
Register FinalStackProbed = Uses64BitFramePtr ? X86::R11
: Is64Bit ? X86::R11D
: X86::EAX;
// Setup entry block
{

23
contrib/llvm-project/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
View File

@ -1996,7 +1996,8 @@ bool OpenMPOpt::rewriteDeviceCodeStateMachine() {
UndefValue::get(Int8Ty), F->getName() + ".ID");
for (Use *U : ToBeReplacedStateMachineUses)
U->set(ConstantExpr::getBitCast(ID, U->get()->getType()));
U->set(ConstantExpr::getPointerBitCastOrAddrSpaceCast(
ID, U->get()->getType()));
++NumOpenMPParallelRegionsReplacedInGPUStateMachine;
@ -3183,10 +3184,14 @@ struct AAKernelInfoFunction : AAKernelInfo {
IsWorker->setDebugLoc(DLoc);
BranchInst::Create(StateMachineBeginBB, UserCodeEntryBB, IsWorker, InitBB);
Module &M = *Kernel->getParent();
// Create local storage for the work function pointer.
const DataLayout &DL = M.getDataLayout();
Type *VoidPtrTy = Type::getInt8PtrTy(Ctx);
AllocaInst *WorkFnAI = new AllocaInst(VoidPtrTy, 0, "worker.work_fn.addr",
&Kernel->getEntryBlock().front());
Instruction *WorkFnAI =
new AllocaInst(VoidPtrTy, DL.getAllocaAddrSpace(), nullptr,
"worker.work_fn.addr", &Kernel->getEntryBlock().front());
WorkFnAI->setDebugLoc(DLoc);
auto &OMPInfoCache = static_cast<OMPInformationCache &>(A.getInfoCache());
@ -3199,13 +3204,23 @@ struct AAKernelInfoFunction : AAKernelInfo {
Value *Ident = KernelInitCB->getArgOperand(0);
Value *GTid = KernelInitCB;
Module &M = *Kernel->getParent();
FunctionCallee BarrierFn =
OMPInfoCache.OMPBuilder.getOrCreateRuntimeFunction(
M, OMPRTL___kmpc_barrier_simple_spmd);
CallInst::Create(BarrierFn, {Ident, GTid}, "", StateMachineBeginBB)
->setDebugLoc(DLoc);
if (WorkFnAI->getType()->getPointerAddressSpace() !=
(unsigned int)AddressSpace::Generic) {
WorkFnAI = new AddrSpaceCastInst(
WorkFnAI,
PointerType::getWithSamePointeeType(
cast<PointerType>(WorkFnAI->getType()),
(unsigned int)AddressSpace::Generic),
WorkFnAI->getName() + ".generic", StateMachineBeginBB);
WorkFnAI->setDebugLoc(DLoc);
}
FunctionCallee KernelParallelFn =
OMPInfoCache.OMPBuilder.getOrCreateRuntimeFunction(
M, OMPRTL___kmpc_kernel_parallel);

38
contrib/llvm-project/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
View File

@ -178,9 +178,9 @@ class MemsetRanges {
}
void addStore(int64_t OffsetFromFirst, StoreInst *SI) {
int64_t StoreSize = DL.getTypeStoreSize(SI->getOperand(0)->getType());
addRange(OffsetFromFirst, StoreSize, SI->getPointerOperand(),
TypeSize StoreSize = DL.getTypeStoreSize(SI->getOperand(0)->getType());
assert(!StoreSize.isScalable() && "Can't track scalable-typed stores");
addRange(OffsetFromFirst, StoreSize.getFixedSize(), SI->getPointerOperand(),
SI->getAlign().value(), SI);
}
@ -371,6 +371,11 @@ Instruction *MemCpyOptPass::tryMergingIntoMemset(Instruction *StartInst,
Value *ByteVal) {
const DataLayout &DL = StartInst->getModule()->getDataLayout();
// We can't track scalable types
if (StoreInst *SI = dyn_cast<StoreInst>(StartInst))
if (DL.getTypeStoreSize(SI->getOperand(0)->getType()).isScalable())
return nullptr;
// Okay, so we now have a single store that can be splatable. Scan to find
// all subsequent stores of the same value to offset from the same pointer.
// Join these together into ranges, so we can decide whether contiguous blocks
@ -426,6 +431,10 @@ Instruction *MemCpyOptPass::tryMergingIntoMemset(Instruction *StartInst,
if (DL.isNonIntegralPointerType(StoredVal->getType()->getScalarType()))
break;
// We can't track ranges involving scalable types.
if (DL.getTypeStoreSize(StoredVal->getType()).isScalable())
break;
// Check to see if this stored value is of the same byte-splattable value.
Value *StoredByte = isBytewiseValue(StoredVal, DL);
if (isa<UndefValue>(ByteVal) && StoredByte)
@ -859,7 +868,7 @@ bool MemCpyOptPass::processMemSet(MemSetInst *MSI, BasicBlock::iterator &BBI) {
/// the call write its result directly into the destination of the memcpy.
bool MemCpyOptPass::performCallSlotOptzn(Instruction *cpyLoad,
Instruction *cpyStore, Value *cpyDest,
Value *cpySrc, uint64_t cpyLen,
Value *cpySrc, TypeSize cpySize,
Align cpyAlign, CallInst *C) {
// The general transformation to keep in mind is
//
@ -875,6 +884,10 @@ bool MemCpyOptPass::performCallSlotOptzn(Instruction *cpyLoad,
// src only holds uninitialized values at the moment of the call, meaning that
// the memcpy can be discarded rather than moved.
// We can't optimize scalable types.
if (cpySize.isScalable())
return false;
// Lifetime marks shouldn't be operated on.
if (Function *F = C->getCalledFunction())
if (F->isIntrinsic() && F->getIntrinsicID() == Intrinsic::lifetime_start)
@ -893,13 +906,13 @@ bool MemCpyOptPass::performCallSlotOptzn(Instruction *cpyLoad,
uint64_t srcSize = DL.getTypeAllocSize(srcAlloca->getAllocatedType()) *
srcArraySize->getZExtValue();
if (cpyLen < srcSize)
if (cpySize < srcSize)
return false;
// Check that accessing the first srcSize bytes of dest will not cause a
// trap. Otherwise the transform is invalid since it might cause a trap
// to occur earlier than it otherwise would.
if (!isDereferenceableAndAlignedPointer(cpyDest, Align(1), APInt(64, cpyLen),
if (!isDereferenceableAndAlignedPointer(cpyDest, Align(1), APInt(64, cpySize),
DL, C, DT))
return false;
@ -1452,8 +1465,9 @@ bool MemCpyOptPass::processMemCpy(MemCpyInst *M, BasicBlock::iterator &BBI) {
// of conservatively taking the minimum?
Align Alignment = std::min(M->getDestAlign().valueOrOne(),
M->getSourceAlign().valueOrOne());
if (performCallSlotOptzn(M, M, M->getDest(), M->getSource(),
CopySize->getZExtValue(), Alignment,
if (performCallSlotOptzn(
M, M, M->getDest(), M->getSource(),
TypeSize::getFixed(CopySize->getZExtValue()), Alignment,
C)) {
LLVM_DEBUG(dbgs() << "Performed call slot optimization:\n"
<< " call: " << *C << "\n"
@ -1509,7 +1523,8 @@ bool MemCpyOptPass::processMemCpy(MemCpyInst *M, BasicBlock::iterator &BBI) {
Align Alignment = std::min(M->getDestAlign().valueOrOne(),
M->getSourceAlign().valueOrOne());
if (performCallSlotOptzn(M, M, M->getDest(), M->getSource(),
CopySize->getZExtValue(), Alignment, C)) {
TypeSize::getFixed(CopySize->getZExtValue()),
Alignment, C)) {
eraseInstruction(M);
++NumMemCpyInstr;
return true;
@ -1584,7 +1599,7 @@ bool MemCpyOptPass::processByValArgument(CallBase &CB, unsigned ArgNo) {
// Find out what feeds this byval argument.
Value *ByValArg = CB.getArgOperand(ArgNo);
Type *ByValTy = CB.getParamByValType(ArgNo);
uint64_t ByValSize = DL.getTypeAllocSize(ByValTy);
TypeSize ByValSize = DL.getTypeAllocSize(ByValTy);
MemoryLocation Loc(ByValArg, LocationSize::precise(ByValSize));
MemCpyInst *MDep = nullptr;
if (EnableMemorySSA) {
@ -1612,7 +1627,8 @@ bool MemCpyOptPass::processByValArgument(CallBase &CB, unsigned ArgNo) {
// The length of the memcpy must be larger or equal to the size of the byval.
ConstantInt *C1 = dyn_cast<ConstantInt>(MDep->getLength());
if (!C1 || C1->getValue().getZExtValue() < ByValSize)
if (!C1 || !TypeSize::isKnownGE(
TypeSize::getFixed(C1->getValue().getZExtValue()), ByValSize))
return false;
// Get the alignment of the byval. If the call doesn't specify the alignment,

39
contrib/llvm-project/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
View File

@ -1587,10 +1587,12 @@ deleteDeadClonedBlocks(Loop &L, ArrayRef<BasicBlock *> ExitBlocks,
BB->eraseFromParent();
}
static void deleteDeadBlocksFromLoop(Loop &L,
static void
deleteDeadBlocksFromLoop(Loop &L,
SmallVectorImpl<BasicBlock *> &ExitBlocks,
DominatorTree &DT, LoopInfo &LI,
MemorySSAUpdater *MSSAU) {
MemorySSAUpdater *MSSAU,
function_ref<void(Loop &, StringRef)> DestroyLoopCB) {
// Find all the dead blocks tied to this loop, and remove them from their
// successors.
SmallSetVector<BasicBlock *, 8> DeadBlockSet;
@ -1640,6 +1642,7 @@ static void deleteDeadBlocksFromLoop(Loop &L,
}) &&
"If the child loop header is dead all blocks in the child loop must "
"be dead as well!");
DestroyLoopCB(*ChildL, ChildL->getName());
LI.destroy(ChildL);
return true;
});
@ -1980,6 +1983,8 @@ static bool rebuildLoopAfterUnswitch(Loop &L, ArrayRef<BasicBlock *> ExitBlocks,
ParentL->removeChildLoop(llvm::find(*ParentL, &L));
else
LI.removeLoop(llvm::find(LI, &L));
// markLoopAsDeleted for L should be triggered by the caller (it is typically
// done by using the UnswitchCB callback).
LI.destroy(&L);
return false;
}
@ -2019,7 +2024,8 @@ static void unswitchNontrivialInvariants(
SmallVectorImpl<BasicBlock *> &ExitBlocks, IVConditionInfo &PartialIVInfo,
DominatorTree &DT, LoopInfo &LI, AssumptionCache &AC,
function_ref<void(bool, bool, ArrayRef<Loop *>)> UnswitchCB,
ScalarEvolution *SE, MemorySSAUpdater *MSSAU) {
ScalarEvolution *SE, MemorySSAUpdater *MSSAU,
function_ref<void(Loop &, StringRef)> DestroyLoopCB) {
auto *ParentBB = TI.getParent();
BranchInst *BI = dyn_cast<BranchInst>(&TI);
SwitchInst *SI = BI ? nullptr : cast<SwitchInst>(&TI);
@ -2319,7 +2325,7 @@ static void unswitchNontrivialInvariants(
// Now that our cloned loops have been built, we can update the original loop.
// First we delete the dead blocks from it and then we rebuild the loop
// structure taking these deletions into account.
deleteDeadBlocksFromLoop(L, ExitBlocks, DT, LI, MSSAU);
deleteDeadBlocksFromLoop(L, ExitBlocks, DT, LI, MSSAU, DestroyLoopCB);
if (MSSAU && VerifyMemorySSA)
MSSAU->getMemorySSA()->verifyMemorySSA();
@ -2670,7 +2676,8 @@ static bool unswitchBestCondition(
Loop &L, DominatorTree &DT, LoopInfo &LI, AssumptionCache &AC,
AAResults &AA, TargetTransformInfo &TTI,
function_ref<void(bool, bool, ArrayRef<Loop *>)> UnswitchCB,
ScalarEvolution *SE, MemorySSAUpdater *MSSAU) {
ScalarEvolution *SE, MemorySSAUpdater *MSSAU,
function_ref<void(Loop &, StringRef)> DestroyLoopCB) {
// Collect all invariant conditions within this loop (as opposed to an inner
// loop which would be handled when visiting that inner loop).
SmallVector<std::pair<Instruction *, TinyPtrVector<Value *>>, 4>
@ -2958,7 +2965,7 @@ static bool unswitchBestCondition(
<< "\n");
unswitchNontrivialInvariants(L, *BestUnswitchTI, BestUnswitchInvariants,
ExitBlocks, PartialIVInfo, DT, LI, AC,
UnswitchCB, SE, MSSAU);
UnswitchCB, SE, MSSAU, DestroyLoopCB);
return true;
}
@ -2988,7 +2995,8 @@ unswitchLoop(Loop &L, DominatorTree &DT, LoopInfo &LI, AssumptionCache &AC,
AAResults &AA, TargetTransformInfo &TTI, bool Trivial,
bool NonTrivial,
function_ref<void(bool, bool, ArrayRef<Loop *>)> UnswitchCB,
ScalarEvolution *SE, MemorySSAUpdater *MSSAU) {
ScalarEvolution *SE, MemorySSAUpdater *MSSAU,
function_ref<void(Loop &, StringRef)> DestroyLoopCB) {
assert(L.isRecursivelyLCSSAForm(DT, LI) &&
"Loops must be in LCSSA form before unswitching.");
@ -3036,7 +3044,8 @@ unswitchLoop(Loop &L, DominatorTree &DT, LoopInfo &LI, AssumptionCache &AC,
// Try to unswitch the best invariant condition. We prefer this full unswitch to
// a partial unswitch when possible below the threshold.
if (unswitchBestCondition(L, DT, LI, AC, AA, TTI, UnswitchCB, SE, MSSAU))
if (unswitchBestCondition(L, DT, LI, AC, AA, TTI, UnswitchCB, SE, MSSAU,
DestroyLoopCB))
return true;
// No other opportunities to unswitch.
@ -3083,6 +3092,10 @@ PreservedAnalyses SimpleLoopUnswitchPass::run(Loop &L, LoopAnalysisManager &AM,
U.markLoopAsDeleted(L, LoopName);
};
auto DestroyLoopCB = [&U](Loop &L, StringRef Name) {
U.markLoopAsDeleted(L, Name);
};
Optional<MemorySSAUpdater> MSSAU;
if (AR.MSSA) {
MSSAU = MemorySSAUpdater(AR.MSSA);
@ -3091,7 +3104,8 @@ PreservedAnalyses SimpleLoopUnswitchPass::run(Loop &L, LoopAnalysisManager &AM,
}
if (!unswitchLoop(L, AR.DT, AR.LI, AR.AC, AR.AA, AR.TTI, Trivial, NonTrivial,
UnswitchCB, &AR.SE,
MSSAU.hasValue() ? MSSAU.getPointer() : nullptr))
MSSAU.hasValue() ? MSSAU.getPointer() : nullptr,
DestroyLoopCB))
return PreservedAnalyses::all();
if (AR.MSSA && VerifyMemorySSA)
@ -3179,12 +3193,17 @@ bool SimpleLoopUnswitchLegacyPass::runOnLoop(Loop *L, LPPassManager &LPM) {
LPM.markLoopAsDeleted(*L);
};
auto DestroyLoopCB = [&LPM](Loop &L, StringRef /* Name */) {
LPM.markLoopAsDeleted(L);
};
if (MSSA && VerifyMemorySSA)
MSSA->verifyMemorySSA();
bool Changed =
unswitchLoop(*L, DT, LI, AC, AA, TTI, true, NonTrivial, UnswitchCB, SE,
MSSAU.hasValue() ? MSSAU.getPointer() : nullptr);
MSSAU.hasValue() ? MSSAU.getPointer() : nullptr,
DestroyLoopCB);
if (MSSA && VerifyMemorySSA)
MSSA->verifyMemorySSA();

36
contrib/llvm-project/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
View File

@ -1094,17 +1094,24 @@ static void CloneInstructionsIntoPredecessorBlockAndUpdateSSAUses(
// Update (liveout) uses of bonus instructions,
// now that the bonus instruction has been cloned into predecessor.
SSAUpdater SSAUpdate;
SSAUpdate.Initialize(BonusInst.getType(),
(NewBonusInst->getName() + ".merge").str());
SSAUpdate.AddAvailableValue(BB, &BonusInst);
SSAUpdate.AddAvailableValue(PredBlock, NewBonusInst);
// Note that we expect to be in a block-closed SSA form for this to work!
for (Use &U : make_early_inc_range(BonusInst.uses())) {
auto *UI = cast<Instruction>(U.getUser());
if (UI->getParent() != PredBlock)
SSAUpdate.RewriteUseAfterInsertions(U);
else // Use is in the same block as, and comes before, NewBonusInst.
SSAUpdate.RewriteUse(U);
auto *PN = dyn_cast<PHINode>(UI);
if (!PN) {
assert(UI->getParent() == BB && BonusInst.comesBefore(UI) &&
"If the user is not a PHI node, then it should be in the same "
"block as, and come after, the original bonus instruction.");
continue; // Keep using the original bonus instruction.
}
// Is this the block-closed SSA form PHI node?
if (PN->getIncomingBlock(U) == BB)
continue; // Great, keep using the original bonus instruction.
// The only other alternative is an "use" when coming from
// the predecessor block - here we should refer to the cloned bonus instr.
assert(PN->getIncomingBlock(U) == PredBlock &&
"Not in block-closed SSA form?");
U.set(NewBonusInst);
}
}
}
@ -3207,6 +3214,17 @@ bool llvm::FoldBranchToCommonDest(BranchInst *BI, DomTreeUpdater *DTU,
// Early exits once we reach the limit.
if (NumBonusInsts > BonusInstThreshold)
return false;
auto IsBCSSAUse = [BB, &I](Use &U) {
auto *UI = cast<Instruction>(U.getUser());
if (auto *PN = dyn_cast<PHINode>(UI))
return PN->getIncomingBlock(U) == BB;
return UI->getParent() == BB && I.comesBefore(UI);
};
// Does this instruction require rewriting of uses?
if (!all_of(I.uses(), IsBCSSAUse))
return false;
}
// Ok, we have the budget. Perform the transformation.

7
contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
View File

@ -234,12 +234,15 @@ bool VPlanTransforms::mergeReplicateRegions(VPlan &Plan) {
for (VPRecipeBase &Phi1ToMove : make_early_inc_range(reverse(*Merge1))) {
VPValue *PredInst1 =
cast<VPPredInstPHIRecipe>(&Phi1ToMove)->getOperand(0);
for (VPUser *U : Phi1ToMove.getVPSingleValue()->users()) {
VPValue *Phi1ToMoveV = Phi1ToMove.getVPSingleValue();
SmallVector<VPUser *> Users(Phi1ToMoveV->user_begin(),
Phi1ToMoveV->user_end());
for (VPUser *U : Users) {
auto *UI = dyn_cast<VPRecipeBase>(U);
if (!UI || UI->getParent() != Then2)
continue;
for (unsigned I = 0, E = U->getNumOperands(); I != E; ++I) {
if (Phi1ToMove.getVPSingleValue() != U->getOperand(I))
if (Phi1ToMoveV != U->getOperand(I))
continue;
U->setOperand(I, PredInst1);
}

8
lib/clang/include/VCSVersion.inc
View File

@ -1,14 +1,14 @@
// $FreeBSD$
#define LLVM_REVISION "llvmorg-13.0.0-rc2-43-gf56129fe78d5"
#define LLVM_REVISION "llvmorg-13.0.0-rc3-8-g08642a395f23"
#define LLVM_REPOSITORY "git@github.com:llvm/llvm-project.git"
#define CLANG_REVISION "llvmorg-13.0.0-rc2-43-gf56129fe78d5"
#define CLANG_REVISION "llvmorg-13.0.0-rc3-8-g08642a395f23"
#define CLANG_REPOSITORY "git@github.com:llvm/llvm-project.git"
// <Upstream revision at import>-<Local identifier in __FreeBSD_version style>
#define LLD_REVISION "llvmorg-13.0.0-rc2-43-gf56129fe78d5-1400002"
#define LLD_REVISION "llvmorg-13.0.0-rc3-8-g08642a395f23-1400002"
#define LLD_REPOSITORY "FreeBSD"
#define LLDB_REVISION "llvmorg-13.0.0-rc2-43-gf56129fe78d5"
#define LLDB_REVISION "llvmorg-13.0.0-rc3-8-g08642a395f23"
#define LLDB_REPOSITORY "git@github.com:llvm/llvm-project.git"

2
lib/clang/include/llvm/Support/VCSRevision.h
View File

@ -1,3 +1,3 @@
/* $FreeBSD$ */
#define LLVM_REVISION "llvmorg-13.0.0-rc2-43-gf56129fe78d5"
#define LLVM_REVISION "llvmorg-13.0.0-rc3-8-g08642a395f23"
#define LLVM_REPOSITORY "git@github.com:llvm/llvm-project.git"