merge master into amd-stg-open

Change-Id: I6f653e1d1b96b4a40bd15a4694a03bd721c30829
ROCm · Apr 29, 2020 · 38be7af · 38be7af
2 parents 213053b + 1c12a95
commit 38be7af
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diff --git a/clang-tools-extra/clang-tidy/llvmlibc/CMakeLists.txt b/clang-tools-extra/clang-tidy/llvmlibc/CMakeLists.txt
@@ -4,6 +4,7 @@ set(LLVM_LINK_COMPONENTS
   )
 
 add_clang_library(clangTidyLLVMLibcModule
+  CalleeNamespaceCheck.cpp
   ImplementationInNamespaceCheck.cpp
   LLVMLibcTidyModule.cpp
   RestrictSystemLibcHeadersCheck.cpp

diff --git a/clang-tools-extra/clang-tidy/llvmlibc/CalleeNamespaceCheck.cpp b/clang-tools-extra/clang-tidy/llvmlibc/CalleeNamespaceCheck.cpp
@@ -0,0 +1,56 @@
+//===-- CalleeNamespaceCheck.cpp ------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "CalleeNamespaceCheck.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang {
+namespace tidy {
+namespace llvm_libc {
+
+// Gets the outermost namespace of a DeclContext, right under the Translation
+// Unit.
+const DeclContext *getOutermostNamespace(const DeclContext *Decl) {
+  const DeclContext *Parent = Decl->getParent();
+  if (Parent && Parent->isTranslationUnit())
+    return Decl;
+  return getOutermostNamespace(Parent);
+}
+
+void CalleeNamespaceCheck::registerMatchers(MatchFinder *Finder) {
+  Finder->addMatcher(
+      declRefExpr(to(functionDecl().bind("func"))).bind("use-site"), this);
+}
+
+void CalleeNamespaceCheck::check(const MatchFinder::MatchResult &Result) {
+  const auto *UsageSiteExpr = Result.Nodes.getNodeAs<DeclRefExpr>("use-site");
+  const auto *FuncDecl = Result.Nodes.getNodeAs<FunctionDecl>("func");
+
+  // Ignore compiler builtin functions.
+  if (FuncDecl->getBuiltinID() != 0)
+    return;
+
+  // If the outermost namespace of the function is __llvm_libc, we're good.
+  const auto *NS = dyn_cast<NamespaceDecl>(getOutermostNamespace(FuncDecl));
+  if (NS && NS->getName() == "__llvm_libc")
+    return;
+
+  diag(UsageSiteExpr->getBeginLoc(), "%0 must resolve to a function declared "
+                                     "within the '__llvm_libc' namespace")
+      << FuncDecl;
+
+  diag(FuncDecl->getLocation(), "resolves to this declaration",
+       clang::DiagnosticIDs::Note);
+}
+
+} // namespace llvm_libc
+} // namespace tidy
+} // namespace clang
diff --git a/clang-tools-extra/clang-tidy/llvmlibc/CalleeNamespaceCheck.h b/clang-tools-extra/clang-tidy/llvmlibc/CalleeNamespaceCheck.h
@@ -0,0 +1,38 @@
+//===-- CalleeNamespaceCheck.h ----------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_LLVMLIBC_CALLEENAMESPACECHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_LLVMLIBC_CALLEENAMESPACECHECK_H
+
+#include "../ClangTidyCheck.h"
+
+namespace clang {
+namespace tidy {
+namespace llvm_libc {
+
+/// Checks all calls resolve to functions within __llvm_libc namespace.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/llvmlibc-callee-namespace.html
+class CalleeNamespaceCheck : public ClangTidyCheck {
+public:
+  CalleeNamespaceCheck(StringRef Name, ClangTidyContext *Context)
+      : ClangTidyCheck(Name, Context) {}
+
+  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
+    return LangOpts.CPlusPlus;
+  }
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+};
+
+} // namespace llvm_libc
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_LLVMLIBC_CALLEENAMESPACECHECK_H
diff --git a/clang-tools-extra/clang-tidy/llvmlibc/LLVMLibcTidyModule.cpp b/clang-tools-extra/clang-tidy/llvmlibc/LLVMLibcTidyModule.cpp
@@ -9,6 +9,7 @@
 #include "../ClangTidy.h"
 #include "../ClangTidyModule.h"
 #include "../ClangTidyModuleRegistry.h"
+#include "CalleeNamespaceCheck.h"
 #include "ImplementationInNamespaceCheck.h"
 #include "RestrictSystemLibcHeadersCheck.h"
 
@@ -19,6 +20,8 @@ namespace llvm_libc {
 class LLVMLibcModule : public ClangTidyModule {
 public:
   void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
+    CheckFactories.registerCheck<CalleeNamespaceCheck>(
+        "llvmlibc-callee-namespace");
     CheckFactories.registerCheck<ImplementationInNamespaceCheck>(
         "llvmlibc-implementation-in-namespace");
     CheckFactories.registerCheck<RestrictSystemLibcHeadersCheck>(

diff --git a/clang-tools-extra/clangd/CMakeLists.txt b/clang-tools-extra/clangd/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_subdirectory(support)
+
 # Configure the Features.inc file.
 if (NOT DEFINED CLANGD_BUILD_XPC)
   if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
@@ -25,27 +27,15 @@ set(LLVM_LINK_COMPONENTS
   FrontendOpenMP
   )
 
-if(CLANG_BUILT_STANDALONE)
-  # needed to get HAVE_CXX_ATOMICS64_WITHOUT_LIB defined
-  include(CheckAtomic)
-endif()
-
-set(CLANGD_ATOMIC_LIB "")
-if(NOT HAVE_CXX_ATOMICS_WITHOUT_LIB OR NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
-  list(APPEND CLANGD_ATOMIC_LIB "atomic")
-endif()
-
 add_clang_library(clangDaemon
   AST.cpp
-  Cancellation.cpp
   ClangdLSPServer.cpp
   ClangdServer.cpp
   CodeComplete.cpp
   CodeCompletionStrings.cpp
   CollectMacros.cpp
   CompileCommands.cpp
   Compiler.cpp
-  Context.cpp
   Diagnostics.cpp
   DraftStore.cpp
   ExpectedTypes.cpp
@@ -54,7 +44,6 @@ add_clang_library(clangDaemon
   FileDistance.cpp
   Format.cpp
   FS.cpp
-  FSProvider.cpp
   FormattedString.cpp
   FuzzyMatch.cpp
   GlobalCompilationDatabase.cpp
@@ -63,7 +52,6 @@ add_clang_library(clangDaemon
   Hover.cpp
   IncludeFixer.cpp
   JSONTransport.cpp
-  Logger.cpp
   PathMapping.cpp
   Protocol.cpp
   Quality.cpp
@@ -73,11 +61,8 @@ add_clang_library(clangDaemon
   Selection.cpp
   SemanticHighlighting.cpp
   SemanticSelection.cpp
-  Shutdown.cpp
   SourceCode.cpp
   QueryDriverDatabase.cpp
-  Threading.cpp
-  Trace.cpp
   TUScheduler.cpp
   URI.cpp
   XRefs.cpp
@@ -128,8 +113,7 @@ add_clang_library(clangDaemon
   clangToolingInclusions
   clangToolingRefactoring
   clangToolingSyntax
-  ${LLVM_PTHREAD_LIB}
-  ${CLANGD_ATOMIC_LIB}
+  clangdSupport
   ${ALL_CLANG_TIDY_CHECKS}
   )
 

diff --git a/clang-tools-extra/clangd/ClangdLSPServer.cpp b/clang-tools-extra/clangd/ClangdLSPServer.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "ClangdLSPServer.h"
-#include "Context.h"
 #include "Diagnostics.h"
 #include "DraftStore.h"
 #include "FormattedString.h"
@@ -16,9 +15,10 @@
 #include "SemanticHighlighting.h"
 #include "SourceCode.h"
 #include "TUScheduler.h"
-#include "Trace.h"
 #include "URI.h"
 #include "refactor/Tweak.h"
+#include "support/Context.h"
+#include "support/Trace.h"
 #include "clang/Basic/Version.h"
 #include "clang/Tooling/Core/Replacement.h"
 #include "llvm/ADT/ArrayRef.h"

diff --git a/clang-tools-extra/clangd/ClangdLSPServer.h b/clang-tools-extra/clangd/ClangdLSPServer.h
@@ -10,14 +10,14 @@
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_CLANGDLSPSERVER_H
 
 #include "ClangdServer.h"
-#include "Context.h"
 #include "DraftStore.h"
 #include "Features.inc"
 #include "FindSymbols.h"
 #include "GlobalCompilationDatabase.h"
-#include "Path.h"
 #include "Protocol.h"
 #include "Transport.h"
+#include "support/Context.h"
+#include "support/Path.h"
 #include "clang/Tooling/Core/Replacement.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringSet.h"

diff --git a/clang-tools-extra/clangd/ClangdServer.cpp b/clang-tools-extra/clangd/ClangdServer.cpp
@@ -13,21 +13,21 @@
 #include "FormattedString.h"
 #include "HeaderSourceSwitch.h"
 #include "Headers.h"
-#include "Logger.h"
 #include "ParsedAST.h"
 #include "Preamble.h"
 #include "Protocol.h"
 #include "SemanticHighlighting.h"
 #include "SemanticSelection.h"
 #include "SourceCode.h"
 #include "TUScheduler.h"
-#include "Trace.h"
 #include "XRefs.h"
 #include "index/CanonicalIncludes.h"
 #include "index/FileIndex.h"
 #include "index/Merge.h"
 #include "refactor/Rename.h"
 #include "refactor/Tweak.h"
+#include "support/Logger.h"
+#include "support/Trace.h"
 #include "clang/Format/Format.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"

diff --git a/clang-tools-extra/clangd/ClangdServer.h b/clang-tools-extra/clangd/ClangdServer.h
@@ -10,11 +10,8 @@
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_CLANGDSERVER_H
 
 #include "../clang-tidy/ClangTidyOptions.h"
-#include "Cancellation.h"
 #include "CodeComplete.h"
-#include "FSProvider.h"
 #include "FormattedString.h"
-#include "Function.h"
 #include "GlobalCompilationDatabase.h"
 #include "Hover.h"
 #include "Protocol.h"
@@ -26,6 +23,9 @@
 #include "index/Index.h"
 #include "refactor/Rename.h"
 #include "refactor/Tweak.h"
+#include "support/Cancellation.h"
+#include "support/FSProvider.h"
+#include "support/Function.h"
 #include "clang/Tooling/CompilationDatabase.h"
 #include "clang/Tooling/Core/Replacement.h"
 #include "llvm/ADT/FunctionExtras.h"

diff --git a/clang-tools-extra/clangd/CodeComplete.cpp b/clang-tools-extra/clangd/CodeComplete.cpp
@@ -26,18 +26,18 @@
 #include "FileDistance.h"
 #include "FuzzyMatch.h"
 #include "Headers.h"
-#include "Logger.h"
 #include "Preamble.h"
 #include "Protocol.h"
 #include "Quality.h"
 #include "SourceCode.h"
 #include "TUScheduler.h"
-#include "Threading.h"
-#include "Trace.h"
 #include "URI.h"
 #include "index/Index.h"
 #include "index/Symbol.h"
 #include "index/SymbolOrigin.h"
+#include "support/Logger.h"
+#include "support/Threading.h"
+#include "support/Trace.h"
 #include "clang/AST/Decl.h"
 #include "clang/AST/DeclBase.h"
 #include "clang/Basic/CharInfo.h"

diff --git a/clang-tools-extra/clangd/CodeComplete.h b/clang-tools-extra/clangd/CodeComplete.h
@@ -16,13 +16,13 @@
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_CODECOMPLETE_H
 
 #include "Headers.h"
-#include "Logger.h"
-#include "Path.h"
 #include "Protocol.h"
 #include "Quality.h"
 #include "index/Index.h"
 #include "index/Symbol.h"
 #include "index/SymbolOrigin.h"
+#include "support/Logger.h"
+#include "support/Path.h"
 #include "clang/Sema/CodeCompleteConsumer.h"
 #include "clang/Sema/CodeCompleteOptions.h"
 #include "clang/Tooling/CompilationDatabase.h"

diff --git a/clang-tools-extra/clangd/CompileCommands.cpp b/clang-tools-extra/clangd/CompileCommands.cpp
@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "CompileCommands.h"
-#include "Logger.h"
+#include "support/Logger.h"
 #include "clang/Frontend/CompilerInvocation.h"
 #include "clang/Tooling/ArgumentsAdjusters.h"
 #include "llvm/Support/FileSystem.h"

diff --git a/clang-tools-extra/clangd/Compiler.cpp b/clang-tools-extra/clangd/Compiler.cpp
@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "Compiler.h"
-#include "Logger.h"
+#include "support/Logger.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Lex/PreprocessorOptions.h"
 #include "clang/Serialization/PCHContainerOperations.h"

diff --git a/clang-tools-extra/clangd/Diagnostics.cpp b/clang-tools-extra/clangd/Diagnostics.cpp
@@ -9,9 +9,9 @@
 #include "Diagnostics.h"
 #include "../clang-tidy/ClangTidyDiagnosticConsumer.h"
 #include "Compiler.h"
-#include "Logger.h"
 #include "Protocol.h"
 #include "SourceCode.h"
+#include "support/Logger.h"
 #include "clang/Basic/AllDiagnostics.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/DiagnosticIDs.h"

diff --git a/clang-tools-extra/clangd/Diagnostics.h b/clang-tools-extra/clangd/Diagnostics.h
@@ -9,8 +9,8 @@
 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_DIAGNOSTICS_H
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_DIAGNOSTICS_H
 
-#include "Path.h"
 #include "Protocol.h"
+#include "support/Path.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/LangOptions.h"
 #include "llvm/ADT/ArrayRef.h"

diff --git a/clang-tools-extra/clangd/DraftStore.cpp b/clang-tools-extra/clangd/DraftStore.cpp
@@ -7,8 +7,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "DraftStore.h"
-#include "Logger.h"
 #include "SourceCode.h"
+#include "support/Logger.h"
 #include "llvm/Support/Errc.h"
 
 namespace clang {

diff --git a/clang-tools-extra/clangd/DraftStore.h b/clang-tools-extra/clangd/DraftStore.h
@@ -9,8 +9,8 @@
 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_DRAFTSTORE_H
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_DRAFTSTORE_H
 
-#include "Path.h"
 #include "Protocol.h"
+#include "support/Path.h"
 #include "clang/Basic/LLVM.h"
 #include "llvm/ADT/StringMap.h"
 #include <mutex>

diff --git a/clang-tools-extra/clangd/FS.h b/clang-tools-extra/clangd/FS.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_FS_H
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_FS_H
 
-#include "Path.h"
+#include "support/Path.h"
 #include "clang/Basic/LLVM.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringMap.h"

diff --git a/clang-tools-extra/clangd/FileDistance.cpp b/clang-tools-extra/clangd/FileDistance.cpp
@@ -31,7 +31,7 @@
 //===-------------------------------------------------------------------------//
 
 #include "FileDistance.h"
-#include "Logger.h"
+#include "support/Logger.h"
 #include "llvm/ADT/STLExtras.h"
 #include <queue>