Merge from 'main' to 'sycl-web' (intel#22)

  CONFLICT (content): Merge conflict in clang/lib/Frontend/CompilerInvocation.cpp

clang/include/clang/Basic/CodeGenOptions.h

@@ -278,27 +278,37 @@ class CodeGenOptions : public CodeGenOptionsBase {
   /// -fsymbol-partition (see https://lld.llvm.org/Partitions.html).
   std::string SymbolPartition;
 
+  /// Regular expression and the string it was created from.
+  struct RemarkPattern {
+    std::string Pattern;
+    std::shared_ptr<llvm::Regex> Regex;
+
+    explicit operator bool() const { return Regex != nullptr; }
+
+    llvm::Regex *operator->() const { return Regex.get(); }
+  };
+
   /// Regular expression to select optimizations for which we should enable
   /// optimization remarks. Transformation passes whose name matches this
   /// expression (and support this feature), will emit a diagnostic
   /// whenever they perform a transformation. This is enabled by the
   /// -Rpass=regexp flag.
-  std::shared_ptr<llvm::Regex> OptimizationRemarkPattern;
+  RemarkPattern OptimizationRemarkPattern;
 
   /// Regular expression to select optimizations for which we should enable
   /// missed optimization remarks. Transformation passes whose name matches this
   /// expression (and support this feature), will emit a diagnostic
   /// whenever they tried but failed to perform a transformation. This is
   /// enabled by the -Rpass-missed=regexp flag.
-  std::shared_ptr<llvm::Regex> OptimizationRemarkMissedPattern;
+  RemarkPattern OptimizationRemarkMissedPattern;
 
   /// Regular expression to select optimizations for which we should enable
   /// optimization analyses. Transformation passes whose name matches this
   /// expression (and support this feature), will emit a diagnostic
   /// whenever they want to explain why they decided to apply or not apply
   /// a given transformation. This is enabled by the -Rpass-analysis=regexp
   /// flag.
-  std::shared_ptr<llvm::Regex> OptimizationRemarkAnalysisPattern;
+  RemarkPattern OptimizationRemarkAnalysisPattern;
 
   /// Set of files defining the rules for the symbol rewriting.
   std::vector<std::string> RewriteMapFiles;

clang/include/clang/Basic/Sanitizers.h

@@ -178,6 +178,10 @@ struct SanitizerSet {
 /// Returns a non-zero SanitizerMask, or \c 0 if \p Value is not known.
 SanitizerMask parseSanitizerValue(StringRef Value, bool AllowGroups);
 
+/// Serialize a SanitizerSet into values for -fsanitize= or -fno-sanitize=.
+void serializeSanitizerSet(SanitizerSet Set,
+                           SmallVectorImpl<StringRef> &Values);
+
 /// For each sanitizer group bit set in \p Kinds, set the bits for sanitizers
 /// this group enables.
 SanitizerMask expandSanitizerGroups(SanitizerMask Kinds);

clang/include/clang/Basic/XRayInstr.h

@@ -65,8 +65,13 @@ struct XRayInstrSet {
   XRayInstrMask Mask = 0;
 };
 
+/// Parses a command line argument into a mask.
 XRayInstrMask parseXRayInstrValue(StringRef Value);
 
+/// Serializes a set into a list of command line arguments.
+void serializeXRayInstrValue(XRayInstrSet Set,
+                             SmallVectorImpl<StringRef> &Values);
+
 } // namespace clang
 
 #endif // LLVM_CLANG_BASIC_XRAYINSTR_H

clang/include/clang/Driver/Options.td

@@ -1443,8 +1443,7 @@ def fno_sanitize_EQ : CommaJoined<["-"], "fno-sanitize=">, Group<f_clang_Group>,
                       Flags<[CoreOption, NoXarchOption]>;
 def fsanitize_blacklist : Joined<["-"], "fsanitize-blacklist=">,
                           Group<f_clang_Group>,
-                          HelpText<"Path to blacklist file for sanitizers">,
-                          MarshallingInfoStringVector<LangOpts<"SanitizerBlacklistFiles">>;
+                          HelpText<"Path to blacklist file for sanitizers">;
 def fsanitize_system_blacklist : Joined<["-"], "fsanitize-system-blacklist=">,
   HelpText<"Path to system blacklist file for sanitizers">,
   Flags<[CC1Option]>;
@@ -2181,8 +2180,7 @@ def foffload_static_lib_EQ : CommaJoined<["-"], "foffload-static-lib=">, Flags<[
 def foffload_whole_static_lib_EQ : CommaJoined<["-"], "foffload-whole-static-lib=">, Flags<[NoXarchOption, CoreOption]>, Group<offload_lib_Group>;
 def fomit_frame_pointer : Flag<["-"], "fomit-frame-pointer">, Group<f_Group>;
 def fopenmp : Flag<["-"], "fopenmp">, Group<f_Group>, Flags<[CC1Option, NoArgumentUnused]>,
-  HelpText<"Parse OpenMP pragmas and generate parallel code.">,
-  MarshallingInfoFlag<LangOpts<"OpenMP">, "0u">, Normalizer<"makeFlagToValueNormalizer(50u)">;
+  HelpText<"Parse OpenMP pragmas and generate parallel code.">;
 def fno_openmp : Flag<["-"], "fno-openmp">, Group<f_Group>, Flags<[NoArgumentUnused]>;
 def fopenmp_version_EQ : Joined<["-"], "fopenmp-version=">, Group<f_Group>, Flags<[CC1Option, NoArgumentUnused]>;
 def fopenmp_EQ : Joined<["-"], "fopenmp=">, Group<f_Group>;
@@ -4546,12 +4544,7 @@ def migrator_no_finalize_removal : Flag<["-"], "no-finalize-removal">,
 //===----------------------------------------------------------------------===//
 
 let Flags = [CC1Option, CC1AsOption, NoDriverOption] in {
-def debug_info_kind_EQ : Joined<["-"], "debug-info-kind=">,
-  Values<"line-tables-only,line-directives-only,constructor,limited,standalone,unused-types">,
-  NormalizedValuesScope<"codegenoptions">,
-  NormalizedValues<["DebugLineTablesOnly", "DebugDirectivesOnly", "DebugInfoConstructor",
-                    "LimitedDebugInfo", "FullDebugInfo", "UnusedTypeInfo"]>,
-  MarshallingInfoString<CodeGenOpts<"DebugInfo">, "NoDebugInfo">, AutoNormalizeEnum;
+def debug_info_kind_EQ : Joined<["-"], "debug-info-kind=">;
 def debug_info_macro : Flag<["-"], "debug-info-macro">,
   HelpText<"Emit macro debug information">,
   MarshallingInfoFlag<CodeGenOpts<"MacroDebugInfo">>;

clang/include/clang/Frontend/CompilerInvocation.h

@@ -249,18 +249,43 @@ class CompilerInvocation : public CompilerInvocationBase {
                        DiagnosticsEngine &Diags);
 
   /// Parse command line options that map to LangOptions.
-  static bool ParseLangArgs(LangOptions &Opts, llvm::opt::ArgList &Args,
-                            InputKind IK, const llvm::Triple &T,
+  static bool ParseLangArgsImpl(LangOptions &Opts, llvm::opt::ArgList &Args,
+                                InputKind IK, const llvm::Triple &T,
+                                std::vector<std::string> &Includes,
+                                DiagnosticsEngine &Diags);
+
+  static bool ParseLangArgs(CompilerInvocation &Res, LangOptions &Opts,
+                            llvm::opt::ArgList &Args, InputKind IK,
+                            const llvm::Triple &T,
                             std::vector<std::string> &Includes,
                             DiagnosticsEngine &Diags);
 
+  /// Generate command line options from LangOptions.
+  static void GenerateLangArgs(const LangOptions &Opts,
+                               SmallVectorImpl<const char *> &Args,
+                               StringAllocator SA, const llvm::Triple &T);
+
   /// Parse command line options that map to CodeGenOptions.
-  static bool ParseCodeGenArgs(CodeGenOptions &Opts, llvm::opt::ArgList &Args,
-                               InputKind IK, DiagnosticsEngine &Diags,
-                               const llvm::Triple &T,
+  static bool ParseCodeGenArgsImpl(CodeGenOptions &Opts,
+                                   llvm::opt::ArgList &Args, InputKind IK,
+                                   DiagnosticsEngine &Diags,
+                                   const llvm::Triple &T,
+                                   const std::string &OutputFile,
+                                   const LangOptions &LangOptsRef);
+
+  static bool ParseCodeGenArgs(CompilerInvocation &Res, CodeGenOptions &Opts,
+                               llvm::opt::ArgList &Args, InputKind IK,
+                               DiagnosticsEngine &Diags, const llvm::Triple &T,
                                const std::string &OutputFile,
                                const LangOptions &LangOptsRef);
 
+  // Generate command line options from CodeGenOptions.
+  static void GenerateCodeGenArgs(const CodeGenOptions &Opts,
+                                  SmallVectorImpl<const char *> &Args,
+                                  StringAllocator SA, const llvm::Triple &T,
+                                  const std::string &OutputFile,
+                                  const LangOptions *LangOpts);
+
   /// Parse command line options that map to HeaderSearchOptions.
   static void ParseHeaderSearchArgs(CompilerInvocation &Res,
                                     HeaderSearchOptions &Opts,

clang/lib/Analysis/CalledOnceCheck.cpp

@@ -22,6 +22,7 @@
 #include "clang/Analysis/AnalysisDeclContext.h"
 #include "clang/Analysis/CFG.h"
 #include "clang/Analysis/FlowSensitive/DataflowWorklist.h"
+#include "clang/Basic/Builtins.h"
 #include "clang/Basic/IdentifierTable.h"
 #include "clang/Basic/LLVM.h"
 #include "llvm/ADT/BitVector.h"
@@ -330,6 +331,29 @@ class DeclRefFinder
     return Visit(OVE->getSourceExpr());
   }
 
+  const DeclRefExpr *VisitCallExpr(const CallExpr *CE) {
+    if (!ShouldRetrieveFromComparisons)
+      return nullptr;
+
+    // We want to see through some of the boolean builtin functions
+    // that we are likely to see in conditions.
+    switch (CE->getBuiltinCallee()) {
+    case Builtin::BI__builtin_expect:
+    case Builtin::BI__builtin_expect_with_probability: {
+      assert(CE->getNumArgs() >= 2);
+
+      const DeclRefExpr *Candidate = Visit(CE->getArg(0));
+      return Candidate != nullptr ? Candidate : Visit(CE->getArg(1));
+    }
+
+    case Builtin::BI__builtin_unpredictable:
+      return Visit(CE->getArg(0));
+
+    default:
+      return nullptr;
+    }
+  }
+
   const DeclRefExpr *VisitExpr(const Expr *E) {
     // It is a fallback method that gets called whenever the actual type
     // of the given expression is not covered.

clang/lib/Basic/Sanitizers.cpp

@@ -12,6 +12,7 @@
 
 #include "clang/Basic/Sanitizers.h"
 #include "llvm/ADT/Hashing.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringSwitch.h"
 
 using namespace clang;
@@ -34,6 +35,14 @@ SanitizerMask clang::parseSanitizerValue(StringRef Value, bool AllowGroups) {
   return ParsedKind;
 }
 
+void clang::serializeSanitizerSet(SanitizerSet Set,
+                                  SmallVectorImpl<StringRef> &Values) {
+#define SANITIZER(NAME, ID)                                                    \
+  if (Set.has(SanitizerKind::ID))                                              \
+    Values.push_back(NAME);
+#include "clang/Basic/Sanitizers.def"
+}
+
 SanitizerMask clang::expandSanitizerGroups(SanitizerMask Kinds) {
 #define SANITIZER(NAME, ID)
 #define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \

clang/lib/Basic/XRayInstr.cpp

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/XRayInstr.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringSwitch.h"
 
 namespace clang {
@@ -30,4 +31,30 @@ XRayInstrMask parseXRayInstrValue(StringRef Value) {
   return ParsedKind;
 }
 
+void serializeXRayInstrValue(XRayInstrSet Set,
+                             SmallVectorImpl<StringRef> &Values) {
+  if (Set.Mask == XRayInstrKind::All) {
+    Values.push_back("all");
+    return;
+  }
+
+  if (Set.Mask == XRayInstrKind::None) {
+    Values.push_back("none");
+    return;
+  }
+
+  if (Set.has(XRayInstrKind::Custom))
+    Values.push_back("custom");
+
+  if (Set.has(XRayInstrKind::Typed))
+    Values.push_back("typed");
+
+  if (Set.has(XRayInstrKind::FunctionEntry) &&
+      Set.has(XRayInstrKind::FunctionExit))
+    Values.push_back("function");
+  else if (Set.has(XRayInstrKind::FunctionEntry))
+    Values.push_back("function-entry");
+  else if (Set.has(XRayInstrKind::FunctionExit))
+    Values.push_back("function-exit");
+}
 } // namespace clang