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Date:      Sat, 20 Jun 2020 18:49:13 +0000 (UTC)
From:      Dimitry Andric <dim@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org
Subject:   svn commit: r362442 - in vendor/llvm-project/release-10.x: clang/lib/Sema clang/lib/Tooling/Syntax clang/utils/TableGen lld/COFF lld/ELF llvm/include/llvm/Support llvm/lib/CodeGen llvm/lib/Target/A...
Message-ID:  <202006201849.05KInDJ1067498@repo.freebsd.org>

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Author: dim
Date: Sat Jun 20 18:49:12 2020
New Revision: 362442
URL: https://svnweb.freebsd.org/changeset/base/362442

Log:
  Vendor import of llvm-project branch release/10.x
  llvmorg-10.0.0-97-g6f71678ecd2.

Added:
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX3T110.td
Modified:
  vendor/llvm-project/release-10.x/clang/lib/Sema/SemaTemplate.cpp
  vendor/llvm-project/release-10.x/clang/lib/Tooling/Syntax/Tokens.cpp
  vendor/llvm-project/release-10.x/clang/utils/TableGen/ClangAttrEmitter.cpp
  vendor/llvm-project/release-10.x/lld/COFF/Chunks.h
  vendor/llvm-project/release-10.x/lld/COFF/DLL.cpp
  vendor/llvm-project/release-10.x/lld/ELF/ScriptLexer.cpp
  vendor/llvm-project/release-10.x/lld/ELF/ScriptParser.cpp
  vendor/llvm-project/release-10.x/llvm/include/llvm/Support/AArch64TargetParser.def
  vendor/llvm-project/release-10.x/llvm/lib/CodeGen/BranchFolding.cpp
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64BranchTargets.cpp
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA53.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA57.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedCyclone.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM3.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM4.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM5.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedFalkor.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedKryo.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX2T99.td
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64Subtarget.cpp
  vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64Subtarget.h
  vendor/llvm-project/release-10.x/llvm/lib/Target/X86/X86AsmPrinter.cpp
  vendor/llvm-project/release-10.x/llvm/lib/Target/X86/X86ISelLowering.cpp
  vendor/llvm-project/release-10.x/llvm/lib/Target/X86/X86InstrInfo.cpp
  vendor/llvm-project/release-10.x/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
  vendor/llvm-project/release-10.x/llvm/lib/Transforms/Utils/ValueMapper.cpp

Modified: vendor/llvm-project/release-10.x/clang/lib/Sema/SemaTemplate.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/clang/lib/Sema/SemaTemplate.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/clang/lib/Sema/SemaTemplate.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -3817,6 +3817,9 @@ TypeResult Sema::ActOnTagTemplateIdType(TagUseKind TUK
                                         SourceLocation LAngleLoc,
                                         ASTTemplateArgsPtr TemplateArgsIn,
                                         SourceLocation RAngleLoc) {
+  if (SS.isInvalid())
+    return TypeResult(true);
+
   TemplateName Template = TemplateD.get();
 
   // Translate the parser's template argument list in our AST format.
@@ -5925,7 +5928,9 @@ bool UnnamedLocalNoLinkageFinder::VisitDependentNameTy
 
 bool UnnamedLocalNoLinkageFinder::VisitDependentTemplateSpecializationType(
                                  const DependentTemplateSpecializationType* T) {
-  return VisitNestedNameSpecifier(T->getQualifier());
+  if (auto *Q = T->getQualifier())
+    return VisitNestedNameSpecifier(Q);
+  return false;
 }
 
 bool UnnamedLocalNoLinkageFinder::VisitPackExpansionType(
@@ -5979,6 +5984,7 @@ bool UnnamedLocalNoLinkageFinder::VisitTagDecl(const T
 
 bool UnnamedLocalNoLinkageFinder::VisitNestedNameSpecifier(
                                                     NestedNameSpecifier *NNS) {
+  assert(NNS);
   if (NNS->getPrefix() && VisitNestedNameSpecifier(NNS->getPrefix()))
     return true;
 

Modified: vendor/llvm-project/release-10.x/clang/lib/Tooling/Syntax/Tokens.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/clang/lib/Tooling/Syntax/Tokens.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/clang/lib/Tooling/Syntax/Tokens.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -335,14 +335,38 @@ class TokenCollector::CollectPPExpansions : public PPC
                     SourceRange Range, const MacroArgs *Args) override {
     if (!Collector)
       return;
-    // Only record top-level expansions, not those where:
+    const auto &SM = Collector->PP.getSourceManager();
+    // Only record top-level expansions that directly produce expanded tokens.
+    // This excludes those where:
     //   - the macro use is inside a macro body,
     //   - the macro appears in an argument to another macro.
-    if (!MacroNameTok.getLocation().isFileID() ||
-        (LastExpansionEnd.isValid() &&
-         Collector->PP.getSourceManager().isBeforeInTranslationUnit(
-             Range.getBegin(), LastExpansionEnd)))
+    // However macro expansion isn't really a tree, it's token rewrite rules,
+    // so there are other cases, e.g.
+    //   #define B(X) X
+    //   #define A 1 + B
+    //   A(2)
+    // Both A and B produce expanded tokens, though the macro name 'B' comes
+    // from an expansion. The best we can do is merge the mappings for both.
+
+    // The *last* token of any top-level macro expansion must be in a file.
+    // (In the example above, see the closing paren of the expansion of B).
+    if (!Range.getEnd().isFileID())
       return;
+    // If there's a current expansion that encloses this one, this one can't be
+    // top-level.
+    if (LastExpansionEnd.isValid() &&
+        !SM.isBeforeInTranslationUnit(LastExpansionEnd, Range.getEnd()))
+      return;
+
+    // If the macro invocation (B) starts in a macro (A) but ends in a file,
+    // we'll create a merged mapping for A + B by overwriting the endpoint for
+    // A's startpoint.
+    if (!Range.getBegin().isFileID()) {
+      Range.setBegin(SM.getExpansionLoc(Range.getBegin()));
+      assert(Collector->Expansions.count(Range.getBegin().getRawEncoding()) &&
+             "Overlapping macros should have same expansion location");
+    }
+
     Collector->Expansions[Range.getBegin().getRawEncoding()] = Range.getEnd();
     LastExpansionEnd = Range.getEnd();
   }
@@ -399,197 +423,167 @@ class TokenCollector::Builder { (public)
   }
 
   TokenBuffer build() && {
-    buildSpelledTokens();
-
-    // Walk over expanded tokens and spelled tokens in parallel, building the
-    // mappings between those using source locations.
-    // To correctly recover empty macro expansions, we also take locations
-    // reported to PPCallbacks::MacroExpands into account as we do not have any
-    // expanded tokens with source locations to guide us.
-
-    // The 'eof' token is special, it is not part of spelled token stream. We
-    // handle it separately at the end.
     assert(!Result.ExpandedTokens.empty());
     assert(Result.ExpandedTokens.back().kind() == tok::eof);
-    for (unsigned I = 0; I < Result.ExpandedTokens.size() - 1; ++I) {
-      // (!) I might be updated by the following call.
-      processExpandedToken(I);
-    }
 
-    // 'eof' not handled in the loop, do it here.
-    assert(SM.getMainFileID() ==
-           SM.getFileID(Result.ExpandedTokens.back().location()));
-    fillGapUntil(Result.Files[SM.getMainFileID()],
-                 Result.ExpandedTokens.back().location(),
-                 Result.ExpandedTokens.size() - 1);
-    Result.Files[SM.getMainFileID()].EndExpanded = Result.ExpandedTokens.size();
+    // Tokenize every file that contributed tokens to the expanded stream.
+    buildSpelledTokens();
 
-    // Some files might have unaccounted spelled tokens at the end, add an empty
-    // mapping for those as they did not have expanded counterparts.
-    fillGapsAtEndOfFiles();
+    // The expanded token stream consists of runs of tokens that came from
+    // the same source (a macro expansion, part of a file etc).
+    // Between these runs are the logical positions of spelled tokens that
+    // didn't expand to anything.
+    while (NextExpanded < Result.ExpandedTokens.size() - 1 /* eof */) {
+      // Create empty mappings for spelled tokens that expanded to nothing here.
+      // May advance NextSpelled, but NextExpanded is unchanged.
+      discard();
+      // Create mapping for a contiguous run of expanded tokens.
+      // Advances NextExpanded past the run, and NextSpelled accordingly.
+      unsigned OldPosition = NextExpanded;
+      advance();
+      if (NextExpanded == OldPosition)
+        diagnoseAdvanceFailure();
+    }
+    // If any tokens remain in any of the files, they didn't expand to anything.
+    // Create empty mappings up until the end of the file.
+    for (const auto &File : Result.Files)
+      discard(File.first);
 
     return std::move(Result);
   }
 
 private:
-  /// Process the next token in an expanded stream and move corresponding
-  /// spelled tokens, record any mapping if needed.
-  /// (!) \p I will be updated if this had to skip tokens, e.g. for macros.
-  void processExpandedToken(unsigned &I) {
-    auto L = Result.ExpandedTokens[I].location();
-    if (L.isMacroID()) {
-      processMacroExpansion(SM.getExpansionRange(L), I);
-      return;
-    }
-    if (L.isFileID()) {
-      auto FID = SM.getFileID(L);
-      TokenBuffer::MarkedFile &File = Result.Files[FID];
+  // Consume a sequence of spelled tokens that didn't expand to anything.
+  // In the simplest case, skips spelled tokens until finding one that produced
+  // the NextExpanded token, and creates an empty mapping for them.
+  // If Drain is provided, skips remaining tokens from that file instead.
+  void discard(llvm::Optional<FileID> Drain = llvm::None) {
+    SourceLocation Target =
+        Drain ? SM.getLocForEndOfFile(*Drain)
+              : SM.getExpansionLoc(
+                    Result.ExpandedTokens[NextExpanded].location());
+    FileID File = SM.getFileID(Target);
+    const auto &SpelledTokens = Result.Files[File].SpelledTokens;
+    auto &NextSpelled = this->NextSpelled[File];
 
-      fillGapUntil(File, L, I);
+    TokenBuffer::Mapping Mapping;
+    Mapping.BeginSpelled = NextSpelled;
+    // When dropping trailing tokens from a file, the empty mapping should
+    // be positioned within the file's expanded-token range (at the end).
+    Mapping.BeginExpanded = Mapping.EndExpanded =
+        Drain ? Result.Files[*Drain].EndExpanded : NextExpanded;
+    // We may want to split into several adjacent empty mappings.
+    // FlushMapping() emits the current mapping and starts a new one.
+    auto FlushMapping = [&, this] {
+      Mapping.EndSpelled = NextSpelled;
+      if (Mapping.BeginSpelled != Mapping.EndSpelled)
+        Result.Files[File].Mappings.push_back(Mapping);
+      Mapping.BeginSpelled = NextSpelled;
+    };
 
-      // Skip the token.
-      assert(File.SpelledTokens[NextSpelled[FID]].location() == L &&
-             "no corresponding token in the spelled stream");
-      ++NextSpelled[FID];
-      return;
+    while (NextSpelled < SpelledTokens.size() &&
+           SpelledTokens[NextSpelled].location() < Target) {
+      // If we know mapping bounds at [NextSpelled, KnownEnd] (macro expansion)
+      // then we want to partition our (empty) mapping.
+      //   [Start, NextSpelled) [NextSpelled, KnownEnd] (KnownEnd, Target)
+      SourceLocation KnownEnd = CollectedExpansions.lookup(
+          SpelledTokens[NextSpelled].location().getRawEncoding());
+      if (KnownEnd.isValid()) {
+        FlushMapping(); // Emits [Start, NextSpelled)
+        while (NextSpelled < SpelledTokens.size() &&
+               SpelledTokens[NextSpelled].location() <= KnownEnd)
+          ++NextSpelled;
+        FlushMapping(); // Emits [NextSpelled, KnownEnd]
+        // Now the loop contitues and will emit (KnownEnd, Target).
+      } else {
+        ++NextSpelled;
+      }
     }
+    FlushMapping();
   }
 
-  /// Skipped expanded and spelled tokens of a macro expansion that covers \p
-  /// SpelledRange. Add a corresponding mapping.
-  /// (!) \p I will be the index of the last token in an expansion after this
-  /// function returns.
-  void processMacroExpansion(CharSourceRange SpelledRange, unsigned &I) {
-    auto FID = SM.getFileID(SpelledRange.getBegin());
-    assert(FID == SM.getFileID(SpelledRange.getEnd()));
-    TokenBuffer::MarkedFile &File = Result.Files[FID];
+  // Consumes the NextExpanded token and others that are part of the same run.
+  // Increases NextExpanded and NextSpelled by at least one, and adds a mapping
+  // (unless this is a run of file tokens, which we represent with no mapping).
+  void advance() {
+    const syntax::Token &Tok = Result.ExpandedTokens[NextExpanded];
+    SourceLocation Expansion = SM.getExpansionLoc(Tok.location());
+    FileID File = SM.getFileID(Expansion);
+    const auto &SpelledTokens = Result.Files[File].SpelledTokens;
+    auto &NextSpelled = this->NextSpelled[File];
 
-    fillGapUntil(File, SpelledRange.getBegin(), I);
+    if (Tok.location().isFileID()) {
+      // A run of file tokens continues while the expanded/spelled tokens match.
+      while (NextSpelled < SpelledTokens.size() &&
+             NextExpanded < Result.ExpandedTokens.size() &&
+             SpelledTokens[NextSpelled].location() ==
+                 Result.ExpandedTokens[NextExpanded].location()) {
+        ++NextSpelled;
+        ++NextExpanded;
+      }
+      // We need no mapping for file tokens copied to the expanded stream.
+    } else {
+      // We found a new macro expansion. We should have its spelling bounds.
+      auto End = CollectedExpansions.lookup(Expansion.getRawEncoding());
+      assert(End.isValid() && "Macro expansion wasn't captured?");
 
-    // Skip all expanded tokens from the same macro expansion.
-    unsigned BeginExpanded = I;
-    for (; I + 1 < Result.ExpandedTokens.size(); ++I) {
-      auto NextL = Result.ExpandedTokens[I + 1].location();
-      if (!NextL.isMacroID() ||
-          SM.getExpansionLoc(NextL) != SpelledRange.getBegin())
-        break;
+      // Mapping starts here...
+      TokenBuffer::Mapping Mapping;
+      Mapping.BeginExpanded = NextExpanded;
+      Mapping.BeginSpelled = NextSpelled;
+      // ... consumes spelled tokens within bounds we captured ...
+      while (NextSpelled < SpelledTokens.size() &&
+             SpelledTokens[NextSpelled].location() <= End)
+        ++NextSpelled;
+      // ... consumes expanded tokens rooted at the same expansion ...
+      while (NextExpanded < Result.ExpandedTokens.size() &&
+             SM.getExpansionLoc(
+                 Result.ExpandedTokens[NextExpanded].location()) == Expansion)
+        ++NextExpanded;
+      // ... and ends here.
+      Mapping.EndExpanded = NextExpanded;
+      Mapping.EndSpelled = NextSpelled;
+      Result.Files[File].Mappings.push_back(Mapping);
     }
-    unsigned EndExpanded = I + 1;
-    consumeMapping(File, SM.getFileOffset(SpelledRange.getEnd()), BeginExpanded,
-                   EndExpanded, NextSpelled[FID]);
   }
 
+  // advance() is supposed to consume at least one token - if not, we crash.
+  void diagnoseAdvanceFailure() {
+#ifndef NDEBUG
+    // Show the failed-to-map token in context.
+    for (unsigned I = (NextExpanded < 10) ? 0 : NextExpanded - 10;
+         I < NextExpanded + 5 && I < Result.ExpandedTokens.size(); ++I) {
+      const char *L =
+          (I == NextExpanded) ? "!! " : (I < NextExpanded) ? "ok " : "   ";
+      llvm::errs() << L << Result.ExpandedTokens[I].dumpForTests(SM) << "\n";
+    }
+#endif
+    llvm_unreachable("Couldn't map expanded token to spelled tokens!");
+  }
+
   /// Initializes TokenBuffer::Files and fills spelled tokens and expanded
   /// ranges for each of the files.
   void buildSpelledTokens() {
     for (unsigned I = 0; I < Result.ExpandedTokens.size(); ++I) {
-      auto FID =
-          SM.getFileID(SM.getExpansionLoc(Result.ExpandedTokens[I].location()));
+      const auto &Tok = Result.ExpandedTokens[I];
+      auto FID = SM.getFileID(SM.getExpansionLoc(Tok.location()));
       auto It = Result.Files.try_emplace(FID);
       TokenBuffer::MarkedFile &File = It.first->second;
 
-      File.EndExpanded = I + 1;
+      // The eof token should not be considered part of the main-file's range.
+      File.EndExpanded = Tok.kind() == tok::eof ? I : I + 1;
+
       if (!It.second)
         continue; // we have seen this file before.
-
       // This is the first time we see this file.
       File.BeginExpanded = I;
       File.SpelledTokens = tokenize(FID, SM, LangOpts);
     }
   }
 
-  void consumeEmptyMapping(TokenBuffer::MarkedFile &File, unsigned EndOffset,
-                           unsigned ExpandedIndex, unsigned &SpelledIndex) {
-    consumeMapping(File, EndOffset, ExpandedIndex, ExpandedIndex, SpelledIndex);
-  }
-
-  /// Consumes spelled tokens that form a macro expansion and adds a entry to
-  /// the resulting token buffer.
-  /// (!) SpelledIndex is updated in-place.
-  void consumeMapping(TokenBuffer::MarkedFile &File, unsigned EndOffset,
-                      unsigned BeginExpanded, unsigned EndExpanded,
-                      unsigned &SpelledIndex) {
-    // We need to record this mapping before continuing.
-    unsigned MappingBegin = SpelledIndex;
-    ++SpelledIndex;
-
-    bool HitMapping =
-        tryConsumeSpelledUntil(File, EndOffset + 1, SpelledIndex).hasValue();
-    (void)HitMapping;
-    assert(!HitMapping && "recursive macro expansion?");
-
-    TokenBuffer::Mapping M;
-    M.BeginExpanded = BeginExpanded;
-    M.EndExpanded = EndExpanded;
-    M.BeginSpelled = MappingBegin;
-    M.EndSpelled = SpelledIndex;
-
-    File.Mappings.push_back(M);
-  }
-
-  /// Consumes spelled tokens until location \p L is reached and adds a mapping
-  /// covering the consumed tokens. The mapping will point to an empty expanded
-  /// range at position \p ExpandedIndex.
-  void fillGapUntil(TokenBuffer::MarkedFile &File, SourceLocation L,
-                    unsigned ExpandedIndex) {
-    assert(L.isFileID());
-    FileID FID;
-    unsigned Offset;
-    std::tie(FID, Offset) = SM.getDecomposedLoc(L);
-
-    unsigned &SpelledIndex = NextSpelled[FID];
-    unsigned MappingBegin = SpelledIndex;
-    while (true) {
-      auto EndLoc = tryConsumeSpelledUntil(File, Offset, SpelledIndex);
-      if (SpelledIndex != MappingBegin) {
-        TokenBuffer::Mapping M;
-        M.BeginSpelled = MappingBegin;
-        M.EndSpelled = SpelledIndex;
-        M.BeginExpanded = M.EndExpanded = ExpandedIndex;
-        File.Mappings.push_back(M);
-      }
-      if (!EndLoc)
-        break;
-      consumeEmptyMapping(File, SM.getFileOffset(*EndLoc), ExpandedIndex,
-                          SpelledIndex);
-
-      MappingBegin = SpelledIndex;
-    }
-  };
-
-  /// Consumes spelled tokens until it reaches Offset or a mapping boundary,
-  /// i.e. a name of a macro expansion or the start '#' token of a PP directive.
-  /// (!) NextSpelled is updated in place.
-  ///
-  /// returns None if \p Offset was reached, otherwise returns the end location
-  /// of a mapping that starts at \p NextSpelled.
-  llvm::Optional<SourceLocation>
-  tryConsumeSpelledUntil(TokenBuffer::MarkedFile &File, unsigned Offset,
-                         unsigned &NextSpelled) {
-    for (; NextSpelled < File.SpelledTokens.size(); ++NextSpelled) {
-      auto L = File.SpelledTokens[NextSpelled].location();
-      if (Offset <= SM.getFileOffset(L))
-        return llvm::None; // reached the offset we are looking for.
-      auto Mapping = CollectedExpansions.find(L.getRawEncoding());
-      if (Mapping != CollectedExpansions.end())
-        return Mapping->second; // found a mapping before the offset.
-    }
-    return llvm::None; // no more tokens, we "reached" the offset.
-  }
-
-  /// Adds empty mappings for unconsumed spelled tokens at the end of each file.
-  void fillGapsAtEndOfFiles() {
-    for (auto &F : Result.Files) {
-      if (F.second.SpelledTokens.empty())
-        continue;
-      fillGapUntil(F.second, F.second.SpelledTokens.back().endLocation(),
-                   F.second.EndExpanded);
-    }
-  }
-
   TokenBuffer Result;
-  /// For each file, a position of the next spelled token we will consume.
-  llvm::DenseMap<FileID, unsigned> NextSpelled;
+  unsigned NextExpanded = 0;                    // cursor in ExpandedTokens
+  llvm::DenseMap<FileID, unsigned> NextSpelled; // cursor in SpelledTokens
   PPExpansions CollectedExpansions;
   const SourceManager &SM;
   const LangOptions &LangOpts;

Modified: vendor/llvm-project/release-10.x/clang/utils/TableGen/ClangAttrEmitter.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/clang/utils/TableGen/ClangAttrEmitter.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/clang/utils/TableGen/ClangAttrEmitter.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -2825,6 +2825,7 @@ void EmitClangAttrPCHRead(RecordKeeper &Records, raw_o
     if (R.isSubClassOf(InhClass))
       OS << "    bool isInherited = Record.readInt();\n";
     OS << "    bool isImplicit = Record.readInt();\n";
+    OS << "    bool isPackExpansion = Record.readInt();\n";
     ArgRecords = R.getValueAsListOfDefs("Args");
     Args.clear();
     for (const auto *Arg : ArgRecords) {
@@ -2840,6 +2841,7 @@ void EmitClangAttrPCHRead(RecordKeeper &Records, raw_o
     if (R.isSubClassOf(InhClass))
       OS << "    cast<InheritableAttr>(New)->setInherited(isInherited);\n";
     OS << "    New->setImplicit(isImplicit);\n";
+    OS << "    New->setPackExpansion(isPackExpansion);\n";
     OS << "    break;\n";
     OS << "  }\n";
   }
@@ -2866,6 +2868,7 @@ void EmitClangAttrPCHWrite(RecordKeeper &Records, raw_
     if (R.isSubClassOf(InhClass))
       OS << "    Record.push_back(SA->isInherited());\n";
     OS << "    Record.push_back(A->isImplicit());\n";
+    OS << "    Record.push_back(A->isPackExpansion());\n";
 
     for (const auto *Arg : Args)
       createArgument(*Arg, R.getName())->writePCHWrite(OS);

Modified: vendor/llvm-project/release-10.x/lld/COFF/Chunks.h
==============================================================================
--- vendor/llvm-project/release-10.x/lld/COFF/Chunks.h	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/lld/COFF/Chunks.h	Sat Jun 20 18:49:12 2020	(r362442)
@@ -486,7 +486,9 @@ class ImportThunkChunkX86 : public ImportThunkChunk { 
 
 class ImportThunkChunkARM : public ImportThunkChunk {
 public:
-  explicit ImportThunkChunkARM(Defined *s) : ImportThunkChunk(s) {}
+  explicit ImportThunkChunkARM(Defined *s) : ImportThunkChunk(s) {
+    setAlignment(2);
+  }
   size_t getSize() const override { return sizeof(importThunkARM); }
   void getBaserels(std::vector<Baserel> *res) override;
   void writeTo(uint8_t *buf) const override;
@@ -494,14 +496,16 @@ class ImportThunkChunkARM : public ImportThunkChunk { 
 
 class ImportThunkChunkARM64 : public ImportThunkChunk {
 public:
-  explicit ImportThunkChunkARM64(Defined *s) : ImportThunkChunk(s) {}
+  explicit ImportThunkChunkARM64(Defined *s) : ImportThunkChunk(s) {
+    setAlignment(4);
+  }
   size_t getSize() const override { return sizeof(importThunkARM64); }
   void writeTo(uint8_t *buf) const override;
 };
 
 class RangeExtensionThunkARM : public NonSectionChunk {
 public:
-  explicit RangeExtensionThunkARM(Defined *t) : target(t) {}
+  explicit RangeExtensionThunkARM(Defined *t) : target(t) { setAlignment(2); }
   size_t getSize() const override;
   void writeTo(uint8_t *buf) const override;
 

Modified: vendor/llvm-project/release-10.x/lld/COFF/DLL.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/lld/COFF/DLL.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/lld/COFF/DLL.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -365,7 +365,9 @@ class TailMergeChunkX86 : public NonSectionChunk { (pu
 
 class ThunkChunkARM : public NonSectionChunk {
 public:
-  ThunkChunkARM(Defined *i, Chunk *tm) : imp(i), tailMerge(tm) {}
+  ThunkChunkARM(Defined *i, Chunk *tm) : imp(i), tailMerge(tm) {
+    setAlignment(2);
+  }
 
   size_t getSize() const override { return sizeof(thunkARM); }
 
@@ -385,7 +387,9 @@ class ThunkChunkARM : public NonSectionChunk { (public
 
 class TailMergeChunkARM : public NonSectionChunk {
 public:
-  TailMergeChunkARM(Chunk *d, Defined *h) : desc(d), helper(h) {}
+  TailMergeChunkARM(Chunk *d, Defined *h) : desc(d), helper(h) {
+    setAlignment(2);
+  }
 
   size_t getSize() const override { return sizeof(tailMergeARM); }
 
@@ -405,7 +409,9 @@ class TailMergeChunkARM : public NonSectionChunk { (pu
 
 class ThunkChunkARM64 : public NonSectionChunk {
 public:
-  ThunkChunkARM64(Defined *i, Chunk *tm) : imp(i), tailMerge(tm) {}
+  ThunkChunkARM64(Defined *i, Chunk *tm) : imp(i), tailMerge(tm) {
+    setAlignment(4);
+  }
 
   size_t getSize() const override { return sizeof(thunkARM64); }
 
@@ -422,7 +428,9 @@ class ThunkChunkARM64 : public NonSectionChunk { (publ
 
 class TailMergeChunkARM64 : public NonSectionChunk {
 public:
-  TailMergeChunkARM64(Chunk *d, Defined *h) : desc(d), helper(h) {}
+  TailMergeChunkARM64(Chunk *d, Defined *h) : desc(d), helper(h) {
+    setAlignment(4);
+  }
 
   size_t getSize() const override { return sizeof(tailMergeARM64); }
 

Modified: vendor/llvm-project/release-10.x/lld/ELF/ScriptLexer.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/lld/ELF/ScriptLexer.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/lld/ELF/ScriptLexer.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -52,6 +52,8 @@ StringRef ScriptLexer::getLine() {
 
 // Returns 1-based line number of the current token.
 size_t ScriptLexer::getLineNumber() {
+  if (pos == 0)
+    return 1;
   StringRef s = getCurrentMB().getBuffer();
   StringRef tok = tokens[pos - 1];
   return s.substr(0, tok.data() - s.data()).count('\n') + 1;
@@ -292,7 +294,9 @@ static bool encloses(StringRef s, StringRef t) {
 
 MemoryBufferRef ScriptLexer::getCurrentMB() {
   // Find input buffer containing the current token.
-  assert(!mbs.empty() && pos > 0);
+  assert(!mbs.empty());
+  if (pos == 0)
+    return mbs.back();
   for (MemoryBufferRef mb : mbs)
     if (encloses(mb.getBuffer(), tokens[pos - 1]))
       return mb;

Modified: vendor/llvm-project/release-10.x/lld/ELF/ScriptParser.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/lld/ELF/ScriptParser.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/lld/ELF/ScriptParser.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -737,6 +737,7 @@ bool ScriptParser::readSectionDirective(OutputSection 
   expect("(");
   if (consume("NOLOAD")) {
     cmd->noload = true;
+    cmd->type = SHT_NOBITS;
   } else {
     skip(); // This is "COPY", "INFO" or "OVERLAY".
     cmd->nonAlloc = true;

Modified: vendor/llvm-project/release-10.x/llvm/include/llvm/Support/AArch64TargetParser.def
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/include/llvm/Support/AArch64TargetParser.def	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/include/llvm/Support/AArch64TargetParser.def	Sat Jun 20 18:49:12 2020	(r362442)
@@ -152,6 +152,10 @@ AARCH64_CPU_NAME("kryo", ARMV8A, FK_CRYPTO_NEON_FP_ARM
                  (AArch64::AEK_CRC))
 AARCH64_CPU_NAME("thunderx2t99", ARMV8_1A, FK_CRYPTO_NEON_FP_ARMV8, false,
                  (AArch64::AEK_NONE))
+AARCH64_CPU_NAME("thunderx3t110", ARMV8_3A, FK_CRYPTO_NEON_FP_ARMV8, false,
+                 (AArch64::AEK_CRC | AEK_CRYPTO | AEK_FP | AEK_SIMD |
+                  AEK_LSE | AEK_RAND | AArch64::AEK_PROFILE |
+                  AArch64::AEK_RAS))
 AARCH64_CPU_NAME("thunderx", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
                  (AArch64::AEK_CRC | AArch64::AEK_PROFILE))
 AARCH64_CPU_NAME("thunderxt88", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,

Modified: vendor/llvm-project/release-10.x/llvm/lib/CodeGen/BranchFolding.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/CodeGen/BranchFolding.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/CodeGen/BranchFolding.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -963,10 +963,10 @@ bool BranchFolder::TryTailMergeBlocks(MachineBasicBloc
       continue;
     }
 
-    // If one of the blocks is the entire common tail (and not the entry
-    // block, which we can't jump to), we can treat all blocks with this same
-    // tail at once.  Use PredBB if that is one of the possibilities, as that
-    // will not introduce any extra branches.
+    // If one of the blocks is the entire common tail (and is not the entry
+    // block/an EH pad, which we can't jump to), we can treat all blocks with
+    // this same tail at once.  Use PredBB if that is one of the possibilities,
+    // as that will not introduce any extra branches.
     MachineBasicBlock *EntryBB =
         &MergePotentials.front().getBlock()->getParent()->front();
     unsigned commonTailIndex = SameTails.size();
@@ -974,19 +974,21 @@ bool BranchFolder::TryTailMergeBlocks(MachineBasicBloc
     // into the other.
     if (SameTails.size() == 2 &&
         SameTails[0].getBlock()->isLayoutSuccessor(SameTails[1].getBlock()) &&
-        SameTails[1].tailIsWholeBlock())
+        SameTails[1].tailIsWholeBlock() && !SameTails[1].getBlock()->isEHPad())
       commonTailIndex = 1;
     else if (SameTails.size() == 2 &&
              SameTails[1].getBlock()->isLayoutSuccessor(
-                                                     SameTails[0].getBlock()) &&
-             SameTails[0].tailIsWholeBlock())
+                 SameTails[0].getBlock()) &&
+             SameTails[0].tailIsWholeBlock() &&
+             !SameTails[0].getBlock()->isEHPad())
       commonTailIndex = 0;
     else {
       // Otherwise just pick one, favoring the fall-through predecessor if
       // there is one.
       for (unsigned i = 0, e = SameTails.size(); i != e; ++i) {
         MachineBasicBlock *MBB = SameTails[i].getBlock();
-        if (MBB == EntryBB && SameTails[i].tailIsWholeBlock())
+        if ((MBB == EntryBB || MBB->isEHPad()) &&
+            SameTails[i].tailIsWholeBlock())
           continue;
         if (MBB == PredBB) {
           commonTailIndex = i;

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -443,6 +443,10 @@ def SVEUnsupported : AArch64Unsupported {
            HasSVE2BitPerm];
 }
 
+def PAUnsupported : AArch64Unsupported {
+  let F = [HasPA];
+}
+
 include "AArch64SchedA53.td"
 include "AArch64SchedA57.td"
 include "AArch64SchedCyclone.td"
@@ -453,6 +457,7 @@ include "AArch64SchedExynosM4.td"
 include "AArch64SchedExynosM5.td"
 include "AArch64SchedThunderX.td"
 include "AArch64SchedThunderX2T99.td"
+include "AArch64SchedThunderX3T110.td"
 
 def ProcA35     : SubtargetFeature<"a35", "ARMProcFamily", "CortexA35",
                                    "Cortex-A35 ARM processors", [
@@ -780,6 +785,25 @@ def ProcThunderX2T99  : SubtargetFeature<"thunderx2t99
                                           FeatureLSE,
                                           HasV8_1aOps]>;
 
+def ProcThunderX3T110  : SubtargetFeature<"thunderx3t110", "ARMProcFamily",
+                                         "ThunderX3T110",
+                                         "Marvell ThunderX3 processors", [
+                                          FeatureAggressiveFMA,
+                                          FeatureCRC,
+                                          FeatureCrypto,
+                                          FeatureFPARMv8,
+                                          FeatureArithmeticBccFusion,
+                                          FeatureNEON,
+                                          FeaturePostRAScheduler,
+                                          FeaturePredictableSelectIsExpensive,
+                                          FeatureLSE,
+                                          FeaturePA,
+                                          FeatureUseAA,
+                                          FeatureBalanceFPOps,
+                                          FeaturePerfMon,
+                                          FeatureStrictAlign,
+                                          HasV8_3aOps]>;
+
 def ProcThunderX : SubtargetFeature<"thunderx", "ARMProcFamily", "ThunderX",
                                     "Cavium ThunderX processors", [
                                     FeatureCRC,
@@ -878,6 +902,8 @@ def : ProcessorModel<"thunderxt81", ThunderXT8XModel, 
 def : ProcessorModel<"thunderxt83", ThunderXT8XModel,  [ProcThunderXT83]>;
 // Cavium ThunderX2T9X  Processors. Formerly Broadcom Vulcan.
 def : ProcessorModel<"thunderx2t99", ThunderX2T99Model, [ProcThunderX2T99]>;
+// Marvell ThunderX3T110 Processors.
+def : ProcessorModel<"thunderx3t110", ThunderX3T110Model, [ProcThunderX3T110]>;
 // FIXME: HiSilicon TSV110 is currently modeled as a Cortex-A57.
 def : ProcessorModel<"tsv110", CortexA57Model, [ProcTSV110]>;
 

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64BranchTargets.cpp
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64BranchTargets.cpp	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64BranchTargets.cpp	Sat Jun 20 18:49:12 2020	(r362442)
@@ -118,9 +118,15 @@ void AArch64BranchTargets::addBTI(MachineBasicBlock &M
 
   auto MBBI = MBB.begin();
 
-  // PACI[AB]SP are implicitly BTI JC, so no BTI instruction needed there.
-  if (MBBI != MBB.end() && (MBBI->getOpcode() == AArch64::PACIASP ||
-                            MBBI->getOpcode() == AArch64::PACIBSP))
+  // Skip the meta instuctions, those will be removed anyway.
+  for (; MBBI != MBB.end() && MBBI->isMetaInstruction(); ++MBBI)
+    ;
+
+  // SCTLR_EL1.BT[01] is set to 0 by default which means
+  // PACI[AB]SP are implicitly BTI C so no BTI C instruction is needed there.
+  if (MBBI != MBB.end() && HintNum == 34 &&
+      (MBBI->getOpcode() == AArch64::PACIASP ||
+       MBBI->getOpcode() == AArch64::PACIBSP))
     return;
 
   BuildMI(MBB, MBB.begin(), MBB.findDebugLoc(MBB.begin()),

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA53.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA53.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA53.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -26,7 +26,8 @@ def CortexA53Model : SchedMachineModel {
                              // v 1.0 Spreadsheet
   let CompleteModel = 1;
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
 }
 
 

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA57.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA57.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedA57.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -31,7 +31,8 @@ def CortexA57Model : SchedMachineModel {
   let LoopMicroOpBufferSize = 16;
   let CompleteModel = 1;
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
 }
 
 //===----------------------------------------------------------------------===//

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedCyclone.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedCyclone.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedCyclone.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -18,7 +18,8 @@ def CycloneModel : SchedMachineModel {
   let MispredictPenalty = 16; // 14-19 cycles are typical.
   let CompleteModel = 1;
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
 }
 
 //===----------------------------------------------------------------------===//

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM3.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM3.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM3.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -24,7 +24,8 @@ def ExynosM3Model : SchedMachineModel {
   let MispredictPenalty     =  16; // Minimum branch misprediction penalty.
   let CompleteModel         =   1; // Use the default model otherwise.
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
 }
 
 //===----------------------------------------------------------------------===//

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM4.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM4.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM4.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -24,7 +24,8 @@ def ExynosM4Model : SchedMachineModel {
   let MispredictPenalty     =  16; // Minimum branch misprediction penalty.
   let CompleteModel         =   1; // Use the default model otherwise.
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
 }
 
 //===----------------------------------------------------------------------===//

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM5.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM5.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedExynosM5.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -24,7 +24,8 @@ def ExynosM5Model : SchedMachineModel {
   let MispredictPenalty     =  15; // Minimum branch misprediction penalty.
   let CompleteModel         =   1; // Use the default model otherwise.
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
 }
 
 //===----------------------------------------------------------------------===//

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedFalkor.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedFalkor.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedFalkor.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -23,8 +23,8 @@ def FalkorModel : SchedMachineModel {
   let MispredictPenalty = 11;  // Minimum branch misprediction penalty.
   let CompleteModel = 1;
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
-
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
   // FIXME: Remove when all errors have been fixed.
   let FullInstRWOverlapCheck = 0;
 }

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedKryo.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedKryo.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedKryo.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -27,8 +27,8 @@ def KryoModel : SchedMachineModel {
   let LoopMicroOpBufferSize = 16;
   let CompleteModel = 1;
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
-
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
   // FIXME: Remove when all errors have been fixed.
   let FullInstRWOverlapCheck = 0;
 }

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -25,8 +25,8 @@ def ThunderXT8XModel : SchedMachineModel {
   let PostRAScheduler = 1;    // Use PostRA scheduler.
   let CompleteModel = 1;
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
-
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
   // FIXME: Remove when all errors have been fixed.
   let FullInstRWOverlapCheck = 0;
 }

Modified: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX2T99.td
==============================================================================
--- vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX2T99.td	Sat Jun 20 18:31:02 2020	(r362441)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX2T99.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -25,8 +25,8 @@ def ThunderX2T99Model : SchedMachineModel {
   let PostRAScheduler       =   1; // Using PostRA sched.
   let CompleteModel         =   1;
 
-  list<Predicate> UnsupportedFeatures = SVEUnsupported.F;
-
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
   // FIXME: Remove when all errors have been fixed.
   let FullInstRWOverlapCheck = 0;
 }

Added: vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX3T110.td
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ vendor/llvm-project/release-10.x/llvm/lib/Target/AArch64/AArch64SchedThunderX3T110.td	Sat Jun 20 18:49:12 2020	(r362442)
@@ -0,0 +1,1997 @@
+//=- AArch64SchedThunderX3T110.td - Marvell ThunderX3 T110 ---*- tablegen -*-=//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the scheduling model for Marvell ThunderX3T110
+// family of processors.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// Pipeline Description.
+
+def ThunderX3T110Model : SchedMachineModel {
+  let IssueWidth            =   4; // 4 micro-ops dispatched at a time.
+  let MicroOpBufferSize     =  70; // 70 entries in micro-op re-order buffer.
+  let LoadLatency           =   4; // Optimistic load latency.
+  let MispredictPenalty     =  12; // Extra cycles for mispredicted branch.
+  // Determined via a mix of micro-arch details and experimentation.
+  let LoopMicroOpBufferSize = 128; // FIXME: might be much bigger in TX3.
+  let PostRAScheduler       =   1; // Using PostRA sched.
+  let CompleteModel         =   1;
+
+  list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
+                                                    PAUnsupported.F);
+  // FIXME: Remove when all errors have been fixed.
+  let FullInstRWOverlapCheck = 0;
+}
+
+let SchedModel = ThunderX3T110Model in {
+
+// Issue ports.
+
+// Port 0: ALU.
+def THX3T110P0 : ProcResource<1>;
+
+// Port 1: ALU.
+def THX3T110P1 : ProcResource<1>;
+
+// Port 2: ALU/Branch.
+def THX3T110P2 : ProcResource<1>;
+
+// Port 3: ALU/Branch.
+def THX3T110P3 : ProcResource<1>;
+
+// Port 4: Load/Store.
+def THX3T110P4 : ProcResource<1>;
+
+// Port 5: Load/store.
+def THX3T110P5 : ProcResource<1>;
+
+// Port 6: FP/Neon/SIMD/Crypto.
+def THX3T110P6FP0 : ProcResource<1>;
+
+// Port 7: FP/Neon/SIMD/Crypto.
+def THX3T110P7FP1 : ProcResource<1>;
+
+// Port 8: FP/Neon/SIMD/Crypto.
+def THX3T110P8FP2 : ProcResource<1>;
+
+// Port 9: FP/Neon/SIMD/Crypto.
+def THX3T110P9FP3 : ProcResource<1>;
+
+// Port 10: Store Data Unit.
+def THX3T110SD0 : ProcResource<1>;
+
+// Define groups for the functional units on each issue port.  Each group
+// created will be used by a WriteRes.
+
+// Integer divide/mulhi micro-ops only on port I1.
+def THX3T110I1 : ProcResGroup<[THX3T110P1]>;
+
+// Branch micro-ops on ports I2/I3.
+def THX3T110I23 : ProcResGroup<[THX3T110P2, THX3T110P3]>;
+
+// Branch micro-ops on ports I1/I2/I3.
+def THX3T110I123 : ProcResGroup<[THX3T110P1, THX3T110P2, THX3T110P3]>;
+
+// Integer micro-ops on ports I0/I1/I2.
+def THX3T110I012 : ProcResGroup<[THX3T110P0, THX3T110P1, THX3T110P2]>;
+
+// Integer micro-ops on ports I0/I1/I2/I3.
+def THX3T110I0123 : ProcResGroup<[THX3T110P0, THX3T110P1,
+                                  THX3T110P2, THX3T110P3]>;
+
+// FP micro-ops on ports FP0/FP1/FP2/FP3.
+def THX3T110FP0123 : ProcResGroup<[THX3T110P6FP0, THX3T110P7FP1,
+                                   THX3T110P8FP2, THX3T110P9FP3]>;
+
+// FP micro-ops on ports FP2/FP3.
+def THX3T110FP23 : ProcResGroup<[THX3T110P8FP2, THX3T110P9FP3]>;
+
+// ASIMD micro-ops on ports FP0/FP1/FP2/FP3.
+def THX3T110SIMD : ProcResGroup<[THX3T110P6FP0, THX3T110P7FP1,
+                                 THX3T110P8FP2, THX3T110P9FP3]>;
+
+// Store data micro-ops only on port 10.
+def THX3T110SD : ProcResGroup<[THX3T110SD0]>;
+
+// Load/store micro-ops on ports P4/P5.
+def THX3T110LS : ProcResGroup<[THX3T110P4, THX3T110P5]>;
+
+// 70 entry unified scheduler.
+def THX3T110ANY: ProcResGroup<[THX3T110P0, THX3T110P1, THX3T110P2,
+                               THX3T110P3, THX3T110P4, THX3T110P5,
+                               THX3T110P6FP0, THX3T110P7FP1,
+                               THX3T110P8FP2, THX3T110P9FP3]> {
+  let BufferSize = 70;
+}
+
+// Define commonly used write types for InstRW specializations.
+// All definitions follow the format: THX3T110Write_<NumCycles>Cyc_<Resources>.
+
+// 3 cycles on I1.
+def THX3T110Write_3Cyc_I1 : SchedWriteRes<[THX3T110I1]> {
+  let Latency = 3;
+  let NumMicroOps = 2;
+}
+
+// 4 cycles on I1.
+def THX3T110Write_4Cyc_I1 : SchedWriteRes<[THX3T110I1]> {
+  let Latency = 4;
+  let NumMicroOps = 2;
+}
+
+// 5 cycles on I1.
+def THX3T110Write_5Cyc_I1 : SchedWriteRes<[THX3T110I1]> {
+  let Latency = 5;
+  let NumMicroOps = 2;
+}
+
+// 7 cycles on I1.
+def THX3T110Write_7Cyc_I1 : SchedWriteRes<[THX3T110I1]> {
+  let Latency = 7;
+  let NumMicroOps = 3;
+}
+
+// 23 cycles on I1.
+def THX3T110Write_23Cyc_I1 : SchedWriteRes<[THX3T110I1]> {
+  let Latency = 23;
+  let ResourceCycles = [13, 23];
+  let NumMicroOps = 4;
+}
+
+// 39 cycles on I1.
+def THX3T110Write_39Cyc_I1 : SchedWriteRes<[THX3T110I1]> {
+  let Latency = 39;
+  let ResourceCycles = [13, 39];
+  let NumMicroOps = 4;
+}
+
+// 1 cycle on I2/I3
+def THX3T110Write_1Cyc_I23 : SchedWriteRes<[THX3T110I23]> {
+  let Latency = 1;
+  let NumMicroOps = 2;
+}
+
+// 8 cycles on I2/I3
+def THX3T110Write_8Cyc_I23 : SchedWriteRes<[THX3T110I23]> {
+  let Latency = 8;
+  let NumMicroOps = 3;
+}
+
+// 1 cycle on I1/I2/I3
+def THX3T110Write_1Cyc_I123 : SchedWriteRes<[THX3T110I123]> {
+  let Latency = 1;
+  let NumMicroOps = 2;
+}
+
+// 8 cycles on I1/I2/I3
+def THX3T110Write_8Cyc_I123 : SchedWriteRes<[THX3T110I123]> {
+  let Latency = 8;
+  let NumMicroOps = 3;
+}
+
+// 1 cycle on I0/I1/I2/I3.
+def THX3T110Write_1Cyc_I0123 : SchedWriteRes<[THX3T110I0123]> {
+  let Latency = 1;
+  let NumMicroOps = 2;
+}
+
+// 2 cycles on I0/I1/I2/I3.
+def THX3T110Write_2Cyc_I0123 : SchedWriteRes<[THX3T110I0123]> {
+  let Latency = 2;
+  let NumMicroOps = 2;
+}
+
+// 3 cycles on I0/I1/I2/I3.
+def THX3T110Write_3Cyc_I0123 : SchedWriteRes<[THX3T110I0123]> {
+  let Latency = 3;
+  let NumMicroOps = 2;
+}
+
+// 4 cycles on I0/I1/I2/I3.
+def THX3T110Write_4Cyc_I0123 : SchedWriteRes<[THX3T110I0123]> {
+  let Latency = 4;
+  let NumMicroOps = 3;
+}
+
+// 5 cycles on I0/I1/I2/I3.

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