Merge branch 'main' into dag-match-bitlogic

Author: RKSimon

.github/workflows/libcxx-build-and-test.yaml

@@ -37,7 +37,7 @@ jobs:
   stage1:
     if: github.repository_owner == 'llvm'
     runs-on: libcxx-self-hosted-linux
-    container: ghcr.io/llvm/libcxx-linux-builder:b6bb9dc5abd7c6452c13a53fa8949cb259db459b
+    container: ghcr.io/llvm/libcxx-linux-builder:2b57ebb50b6d418e70382e655feaa619b558e254
     continue-on-error: false
     strategy:
       fail-fast: false
@@ -75,7 +75,7 @@ jobs:
   stage2:
     if: github.repository_owner == 'llvm'
     runs-on: libcxx-self-hosted-linux
-    container: ghcr.io/llvm/libcxx-linux-builder:b6bb9dc5abd7c6452c13a53fa8949cb259db459b
+    container: ghcr.io/llvm/libcxx-linux-builder:2b57ebb50b6d418e70382e655feaa619b558e254
     needs: [ stage1 ]
     continue-on-error: false
     strategy:
@@ -163,7 +163,7 @@ jobs:
         - config: 'generic-msan'
           machine: libcxx-self-hosted-linux
     runs-on: ${{ matrix.machine }}
-    container: ghcr.io/llvm/libcxx-linux-builder:b6bb9dc5abd7c6452c13a53fa8949cb259db459b
+    container: ghcr.io/llvm/libcxx-linux-builder:2b57ebb50b6d418e70382e655feaa619b558e254
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: ${{ matrix.config }}

clang-tools-extra/clangd/index/FileIndex.cpp

@@ -48,13 +48,12 @@ SlabTuple indexSymbols(ASTContext &AST, Preprocessor &PP,
                        const MainFileMacros *MacroRefsToIndex,
                        const include_cleaner::PragmaIncludes &PI,
                        bool IsIndexMainAST, llvm::StringRef Version,
-                       bool CollectMainFileRefs) {
+                       bool CollectMainFileRefs, SymbolOrigin Origin) {
   SymbolCollector::Options CollectorOpts;
   CollectorOpts.CollectIncludePath = true;
   CollectorOpts.PragmaIncludes = Π
   CollectorOpts.CountReferences = false;
-  CollectorOpts.Origin =
-      IsIndexMainAST ? SymbolOrigin::Open : SymbolOrigin::Preamble;
+  CollectorOpts.Origin = Origin;
   CollectorOpts.CollectMainFileRefs = CollectMainFileRefs;
   // We want stdlib implementation details in the index only if we've opened the
   // file in question. This does means xrefs won't work, though.
@@ -221,22 +220,24 @@ FileShardedIndex::getShard(llvm::StringRef Uri) const {
 }
 
 SlabTuple indexMainDecls(ParsedAST &AST) {
-  return indexSymbols(
-      AST.getASTContext(), AST.getPreprocessor(), AST.getLocalTopLevelDecls(),
-      &AST.getMacros(), AST.getPragmaIncludes(),
-      /*IsIndexMainAST=*/true, AST.version(), /*CollectMainFileRefs=*/true);
+  return indexSymbols(AST.getASTContext(), AST.getPreprocessor(),
+                      AST.getLocalTopLevelDecls(), &AST.getMacros(),
+                      AST.getPragmaIncludes(),
+                      /*IsIndexMainAST=*/true, AST.version(),
+                      /*CollectMainFileRefs=*/true, SymbolOrigin::Open);
 }
 
 SlabTuple indexHeaderSymbols(llvm::StringRef Version, ASTContext &AST,
                              Preprocessor &PP,
-                             const include_cleaner::PragmaIncludes &PI) {
+                             const include_cleaner::PragmaIncludes &PI,
+                             SymbolOrigin Origin) {
   std::vector<Decl *> DeclsToIndex(
       AST.getTranslationUnitDecl()->decls().begin(),
       AST.getTranslationUnitDecl()->decls().end());
   return indexSymbols(AST, PP, DeclsToIndex,
                       /*MainFileMacros=*/nullptr, PI,
                       /*IsIndexMainAST=*/false, Version,
-                      /*CollectMainFileRefs=*/false);
+                      /*CollectMainFileRefs=*/false, Origin);
 }
 
 FileSymbols::FileSymbols(IndexContents IdxContents, bool SupportContainedRefs)
@@ -462,7 +463,7 @@ void FileIndex::updatePreamble(PathRef Path, llvm::StringRef Version,
                                const include_cleaner::PragmaIncludes &PI) {
   IndexFileIn IF;
   std::tie(IF.Symbols, std::ignore, IF.Relations) =
-      indexHeaderSymbols(Version, AST, PP, PI);
+      indexHeaderSymbols(Version, AST, PP, PI, SymbolOrigin::Preamble);
   updatePreamble(std::move(IF));
 }
 

clang-tools-extra/clangd/index/FileIndex.h

@@ -164,7 +164,8 @@ SlabTuple indexMainDecls(ParsedAST &AST);
 /// included headers.
 SlabTuple indexHeaderSymbols(llvm::StringRef Version, ASTContext &AST,
                              Preprocessor &PP,
-                             const include_cleaner::PragmaIncludes &PI);
+                             const include_cleaner::PragmaIncludes &PI,
+                             SymbolOrigin Origin);
 
 /// Takes slabs coming from a TU (multiple files) and shards them per
 /// declaration location.

clang-tools-extra/clangd/index/StdLib.cpp

@@ -15,12 +15,15 @@
 #include "Compiler.h"
 #include "Config.h"
 #include "SymbolCollector.h"
+#include "clang-include-cleaner/Record.h"
+#include "index/FileIndex.h"
 #include "index/IndexAction.h"
 #include "support/Logger.h"
 #include "support/ThreadsafeFS.h"
 #include "support/Trace.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Frontend/CompilerInvocation.h"
+#include "clang/Frontend/FrontendActions.h"
 #include "clang/Lex/PreprocessorOptions.h"
 #include "clang/Tooling/Inclusions/StandardLibrary.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
@@ -223,33 +226,29 @@ SymbolSlab indexStandardLibrary(llvm::StringRef HeaderSources,
     return Symbols;
   }
 
-  SymbolCollector::Options IndexOpts;
-  IndexOpts.Origin = SymbolOrigin::StdLib;
-  IndexOpts.CollectMainFileSymbols = false;
-  IndexOpts.CollectMainFileRefs = false;
-  IndexOpts.CollectMacro = true;
-  IndexOpts.StoreAllDocumentation = true;
-  // Sadly we can't use IndexOpts.FileFilter to restrict indexing scope.
-  // Files from outside the StdLibLocation may define true std symbols anyway.
-  // We end up "blessing" such headers, and can only do that by indexing
-  // everything first.
-
-  // Refs, relations, include graph in the stdlib mostly aren't useful.
-  auto Action = createStaticIndexingAction(
-      IndexOpts, [&](SymbolSlab S) { Symbols = std::move(S); }, nullptr,
-      nullptr, nullptr);
-
-  if (!Action->BeginSourceFile(*Clang, Input)) {
+  SyntaxOnlyAction Action;
+
+  if (!Action.BeginSourceFile(*Clang, Input)) {
     elog("Standard Library Index: BeginSourceFile() failed");
     return Symbols;
   }
 
-  if (llvm::Error Err = Action->Execute()) {
+  if (llvm::Error Err = Action.Execute()) {
     elog("Standard Library Index: Execute failed: {0}", std::move(Err));
     return Symbols;
   }
 
-  Action->EndSourceFile();
+  // We don't care about include graph for stdlib headers, so provide a no-op
+  // PI.
+  include_cleaner::PragmaIncludes PI;
+  auto Slabs =
+      indexHeaderSymbols("", Clang->getASTContext(), Clang->getPreprocessor(),
+                         PI, SymbolOrigin::StdLib);
+  Symbols = std::move(std::get<0>(Slabs));
+
+  // Run EndSourceFile() after indexing completes, so ensure the AST and
+  // preprocessor state is alive during indexing.
+  Action.EndSourceFile();
 
   unsigned SymbolsBeforeFilter = Symbols.size();
   Symbols = filter(std::move(Symbols), Loc);

clang-tools-extra/clangd/unittests/StdLibTests.cpp

@@ -13,9 +13,11 @@
 #include "Config.h"
 #include "SyncAPI.h"
 #include "TestFS.h"
+#include "index/Index.h"
 #include "index/StdLib.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/SourceManager.h"
+#include "llvm/Testing/Support/Error.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <memory>
@@ -158,6 +160,52 @@ TEST(StdLibTests, EndToEnd) {
       UnorderedElementsAre(StdlibSymbol("list"), StdlibSymbol("vector")));
 }
 
+TEST(StdLibTests, StdLibDocComments) {
+  Config Cfg;
+  Cfg.Index.StandardLibrary = true;
+  WithContextValue Enabled(Config::Key, std::move(Cfg));
+
+  MockFS FS;
+  FS.Files["stdlib/vector"] = R"cpp(
+    namespace std {
+      struct vector {
+        /**doc comment*/
+        struct inner {};
+      };
+    }
+  )cpp";
+  MockCompilationDatabase CDB;
+  CDB.ExtraClangFlags.push_back("-isystem" + testPath("stdlib"));
+  ClangdServer::Options Opts = ClangdServer::optsForTest();
+  Opts.BuildDynamicSymbolIndex = true; // also used for stdlib index
+  ClangdServer Server(CDB, FS, Opts);
+
+  // Open an empty file. <vector> will not be part of the preamble index,
+  // but it will be part of the stdlib index.
+  Server.addDocument(testPath("foo.cc"), "");
+
+  // Wait for the stdlib index to be built.
+  ASSERT_TRUE(Server.blockUntilIdleForTest());
+
+  // Check that the index contains the doc comment.
+  SymbolSlab Result;
+  EXPECT_THAT_ERROR(runCustomAction(Server, testPath("foo.cc"),
+                                    [&](InputsAndAST Inputs) {
+                                      FuzzyFindRequest Req;
+                                      Req.Query = "inner";
+                                      Req.Scopes = {"std::vector::"};
+                                      SymbolSlab::Builder Builder;
+                                      Inputs.Inputs.Index->fuzzyFind(
+                                          Req, [&](const Symbol &Sym) {
+                                            Builder.insert(Sym);
+                                          });
+                                      Result = std::move(Builder).build();
+                                    }),
+                    llvm::Succeeded());
+  ASSERT_EQ(Result.size(), 1u);
+  EXPECT_EQ(Result.begin()->Documentation, "doc comment");
+}
+
 } // namespace
 } // namespace clangd
 } // namespace clang

clang-tools-extra/clangd/unittests/TestTU.cpp

@@ -12,6 +12,7 @@
 #include "Diagnostics.h"
 #include "TestFS.h"
 #include "index/FileIndex.h"
+#include "index/SymbolOrigin.h"
 #include "clang/AST/RecursiveASTVisitor.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Frontend/CompilerInvocation.h"
@@ -164,7 +165,7 @@ SymbolSlab TestTU::headerSymbols() const {
   auto AST = build();
   return std::get<0>(indexHeaderSymbols(
       /*Version=*/"null", AST.getASTContext(), AST.getPreprocessor(),
-      AST.getPragmaIncludes()));
+      AST.getPragmaIncludes(), SymbolOrigin::Preamble));
 }
 
 RefSlab TestTU::headerRefs() const {

clang/docs/ReleaseNotes.rst

@@ -637,6 +637,7 @@ Bug Fixes to C++ Support
 - Clang no longer crashes when establishing subsumption between some constraint expressions. (#GH122581)
 - Clang now issues an error when placement new is used to modify a const-qualified variable
   in a ``constexpr`` function. (#GH131432)
+- Fixed an incorrect TreeTransform for calls to ``consteval`` functions if a conversion template is present. (#GH137885)
 - Clang now emits a warning when class template argument deduction for alias templates is used in C++17. (#GH133806)
 - Fix a crash when checking the template template parameters of a dependent lambda appearing in an alias declaration.
   (#GH136432), (#GH137014), (#GH138018)

clang/include/clang/Basic/BuiltinsRISCVXCV.td

@@ -11,7 +11,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-class RISCXCVBuiltin<string prototype, string features = ""> : TargetBuiltin {
+class RISCVXCVBuiltin<string prototype, string features = ""> : TargetBuiltin {
   let Spellings = ["__builtin_riscv_cv_" # NAME];
   let Prototype = prototype;
   let Features = features;
@@ -21,21 +21,21 @@ let Attributes = [NoThrow, Const] in {
 //===----------------------------------------------------------------------===//
 // XCValu extension.
 //===----------------------------------------------------------------------===//
-def alu_slet  : RISCXCVBuiltin<"int(int, int)", "xcvalu">;
-def alu_sletu : RISCXCVBuiltin<"int(unsigned int, unsigned int)", "xcvalu">;
-def alu_exths : RISCXCVBuiltin<"int(int)", "xcvalu">;
-def alu_exthz : RISCXCVBuiltin<"unsigned int(unsigned int)", "xcvalu">;
-def alu_extbs : RISCXCVBuiltin<"int(int)", "xcvalu">;
-def alu_extbz : RISCXCVBuiltin<"unsigned int(unsigned int)", "xcvalu">;
+def alu_slet  : RISCVXCVBuiltin<"int(int, int)", "xcvalu">;
+def alu_sletu : RISCVXCVBuiltin<"int(unsigned int, unsigned int)", "xcvalu">;
+def alu_exths : RISCVXCVBuiltin<"int(int)", "xcvalu">;
+def alu_exthz : RISCVXCVBuiltin<"unsigned int(unsigned int)", "xcvalu">;
+def alu_extbs : RISCVXCVBuiltin<"int(int)", "xcvalu">;
+def alu_extbz : RISCVXCVBuiltin<"unsigned int(unsigned int)", "xcvalu">;
 
-def alu_clip   : RISCXCVBuiltin<"int(int, int)", "xcvalu">;
-def alu_clipu  : RISCXCVBuiltin<"unsigned int(unsigned int, unsigned int)", "xcvalu">;
-def alu_addN   : RISCXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
-def alu_adduN  : RISCXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
-def alu_addRN  : RISCXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
-def alu_adduRN : RISCXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
-def alu_subN   : RISCXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
-def alu_subuN  : RISCXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
-def alu_subRN  : RISCXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
-def alu_subuRN : RISCXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
+def alu_clip   : RISCVXCVBuiltin<"int(int, int)", "xcvalu">;
+def alu_clipu  : RISCVXCVBuiltin<"unsigned int(unsigned int, unsigned int)", "xcvalu">;
+def alu_addN   : RISCVXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
+def alu_adduN  : RISCVXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
+def alu_addRN  : RISCVXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
+def alu_adduRN : RISCVXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
+def alu_subN   : RISCVXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
+def alu_subuN  : RISCVXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
+def alu_subRN  : RISCVXCVBuiltin<"int(int, int, unsigned int)", "xcvalu">;
+def alu_subuRN : RISCVXCVBuiltin<"unsigned int(unsigned int, unsigned int, unsigned int)", "xcvalu">;
 } // Attributes = [NoThrow, Const]

clang/include/clang/Driver/Distro.h

@@ -39,6 +39,8 @@ class Distro {
     DebianBullseye,
     DebianBookworm,
     DebianTrixie,
+    DebianForky,
+    DebianDuke,
     Exherbo,
     RHEL5,
     RHEL6,
@@ -129,7 +131,7 @@ class Distro {
   bool IsOpenSUSE() const { return DistroVal == OpenSUSE; }
 
   bool IsDebian() const {
-    return DistroVal >= DebianLenny && DistroVal <= DebianTrixie;
+    return DistroVal >= DebianLenny && DistroVal <= DebianDuke;
   }
 
   bool IsUbuntu() const {

clang/include/clang/Interpreter/Interpreter.h

@@ -116,6 +116,9 @@ class Interpreter {
   /// Compiler instance performing the incremental compilation.
   std::unique_ptr<CompilerInstance> CI;
 
+  /// An optional compiler instance for CUDA offloading
+  std::unique_ptr<CompilerInstance> DeviceCI;
+
 protected:
   // Derived classes can use an extended interface of the Interpreter.
   Interpreter(std::unique_ptr<CompilerInstance> Instance, llvm::Error &Err,