Merge branch 'main' into move-load-to-new-builders

clang-tools-extra/clang-tidy/CMakeLists.txt

@@ -35,7 +35,6 @@ clang_target_link_libraries(clangTidy
   clangFrontend
   clangLex
   clangRewrite
-  clangSema
   clangSerialization
   clangTooling
   clangToolingCore

clang-tools-extra/clang-tidy/ClangTidy.cpp

@@ -336,6 +336,7 @@ class ClangTidyASTConsumer : public MultiplexConsumer {
   std::unique_ptr<ClangTidyProfiling> Profiling;
   std::unique_ptr<ast_matchers::MatchFinder> Finder;
   std::vector<std::unique_ptr<ClangTidyCheck>> Checks;
+  void anchor() override {};
 };
 
 } // namespace

clang-tools-extra/clang-tidy/cppcoreguidelines/ProTypeUnionAccessCheck.cpp

@@ -23,8 +23,11 @@ void ProTypeUnionAccessCheck::registerMatchers(MatchFinder *Finder) {
 
 void ProTypeUnionAccessCheck::check(const MatchFinder::MatchResult &Result) {
   const auto *Matched = Result.Nodes.getNodeAs<MemberExpr>("expr");
-  diag(Matched->getMemberLoc(),
-       "do not access members of unions; use (boost::)variant instead");
+  SourceLocation Loc = Matched->getMemberLoc();
+  if (Loc.isInvalid())
+    Loc = Matched->getBeginLoc();
+  diag(Loc, "do not access members of unions; consider using (boost::)variant "
+            "instead");
 }
 
 } // namespace clang::tidy::cppcoreguidelines

clang-tools-extra/docs/ReleaseNotes.rst

@@ -180,6 +180,10 @@ Changes in existing checks
   avoid false positive when member initialization depends on a structured
   binding variable.
 
+- Fixed :doc:`cppcoreguidelines-pro-type-union-access
+  <clang-tidy/checks/cppcoreguidelines/pro-type-union-access>` check to
+  report a location even when the member location is not valid.
+
 - Improved :doc:`misc-definitions-in-headers
   <clang-tidy/checks/misc/definitions-in-headers>` check by rewording the
   diagnostic note that suggests adding ``inline``.

clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-union-access.cpp

@@ -5,6 +5,10 @@ union U {
   char union_member2;
 } u;
 
+union W {
+  template <class TP> operator TP *() const;
+};
+
 struct S {
   int non_union_member;
   union {
@@ -20,22 +24,25 @@ void f(char);
 void f2(U);
 void f3(U&);
 void f4(U*);
+W f5();
 
 void check()
 {
   u.union_member1 = true;
-  // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: do not access members of unions; use (boost::)variant instead [cppcoreguidelines-pro-type-union-access]
+  // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: do not access members of unions; consider using (boost::)variant instead [cppcoreguidelines-pro-type-union-access]
   auto b = u.union_member2;
-  // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: do not access members of unions; use (boost::)variant instead
+  // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: do not access members of unions; consider using (boost::)variant instead
   auto a = &s.union_member;
-  // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: do not access members of unions; use (boost::)variant instead
+  // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: do not access members of unions; consider using (boost::)variant instead
   f(s.u.union_member2);
-  // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: do not access members of unions; use (boost::)variant instead
+  // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: do not access members of unions; consider using (boost::)variant instead
 
   s.non_union_member = 2; // OK
 
   U u2 = u; // OK
   f2(u); // OK
   f3(u); // OK
   f4(&u); // OK
+  void *ret = f5();
+  // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: do not access members of unions; consider using (boost::)variant instead
 }

clang/docs/ReleaseNotes.rst

@@ -442,6 +442,7 @@ Bug Fixes in This Version
 - Fixed a crash using ``__array_rank`` on 64-bit targets. (#GH113044).
 - The warning emitted for an unsupported register variable type now points to
   the unsupported type instead of the ``register`` keyword (#GH109776).
+- Fixed a crash when emit ctor for global variant with flexible array init  (#GH113187).
 
 Bug Fixes to Compiler Builtins
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

clang/include/clang/AST/Type.h

@@ -2661,8 +2661,10 @@ class alignas(TypeAlignment) Type : public ExtQualsTypeCommonBase {
 #define HLSL_INTANGIBLE_TYPE(Name, Id, SingletonId) bool is##Id##Type() const;
 #include "clang/Basic/HLSLIntangibleTypes.def"
   bool isHLSLSpecificType() const; // Any HLSL specific type
-  bool isHLSLIntangibleType() const; // Any HLSL intangible type
+  bool isHLSLBuiltinIntangibleType() const; // Any HLSL builtin intangible type
   bool isHLSLAttributedResourceType() const;
+  bool isHLSLIntangibleType()
+      const; // Any HLSL intangible type (builtin, array, class)
 
   /// Determines if this type, which must satisfy
   /// isObjCLifetimeType(), is implicitly __unsafe_unretained rather
@@ -8450,15 +8452,15 @@ inline bool Type::isOpenCLSpecificType() const {
   }
 #include "clang/Basic/HLSLIntangibleTypes.def"
 
-inline bool Type::isHLSLIntangibleType() const {
+inline bool Type::isHLSLBuiltinIntangibleType() const {
 #define HLSL_INTANGIBLE_TYPE(Name, Id, SingletonId) is##Id##Type() ||
   return
 #include "clang/Basic/HLSLIntangibleTypes.def"
-      isHLSLAttributedResourceType();
+      false;
 }
 
 inline bool Type::isHLSLSpecificType() const {
-  return isHLSLIntangibleType() || isa<HLSLAttributedResourceType>(this);
+  return isHLSLBuiltinIntangibleType() || isHLSLAttributedResourceType();
 }
 
 inline bool Type::isHLSLAttributedResourceType() const {

clang/include/clang/Basic/AArch64SVEACLETypes.def

@@ -97,6 +97,17 @@
   SVE_TYPE(Name, Id, SingletonId)
 #endif
 
+#ifndef AARCH64_VECTOR_TYPE
+#define AARCH64_VECTOR_TYPE(Name, MangledName, Id, SingletonId) \
+  SVE_TYPE(Name, Id, SingletonId)
+#endif
+
+#ifndef AARCH64_VECTOR_TYPE_MFLOAT
+#define AARCH64_VECTOR_TYPE_MFLOAT(Name, MangledName, Id, SingletonId, NumEls, ElBits, NF) \
+  AARCH64_VECTOR_TYPE(Name, MangledName, Id, SingletonId)
+#endif
+
+
 //===- Vector point types -----------------------------------------------===//
 
 SVE_VECTOR_TYPE_INT("__SVInt8_t",  "__SVInt8_t",  SveInt8,  SveInt8Ty, 16,  8, 1, true)
@@ -190,11 +201,16 @@ SVE_PREDICATE_TYPE_ALL("__clang_svboolx4_t", "svboolx4_t", SveBoolx4, SveBoolx4T
 
 SVE_OPAQUE_TYPE("__SVCount_t", "__SVCount_t", SveCount, SveCountTy)
 
+AARCH64_VECTOR_TYPE_MFLOAT("__MFloat8x8_t", "__MFloat8x8_t", MFloat8x8, MFloat8x8Ty, 8, 8, 1)
+AARCH64_VECTOR_TYPE_MFLOAT("__MFloat8x16_t", "__MFloat8x16_t", MFloat8x16, MFloat8x16Ty, 16, 8, 1)
+
 #undef SVE_VECTOR_TYPE
 #undef SVE_VECTOR_TYPE_BFLOAT
 #undef SVE_VECTOR_TYPE_FLOAT
 #undef SVE_VECTOR_TYPE_INT
 #undef SVE_PREDICATE_TYPE
 #undef SVE_PREDICATE_TYPE_ALL
 #undef SVE_OPAQUE_TYPE
+#undef AARCH64_VECTOR_TYPE_MFLOAT
+#undef AARCH64_VECTOR_TYPE
 #undef SVE_TYPE

clang/include/clang/Basic/Cuda.h

@@ -127,6 +127,7 @@ enum class OffloadArch {
   GFX1150,
   GFX1151,
   GFX1152,
+  GFX1153,
   GFX12_GENERIC,
   GFX1200,
   GFX1201,

clang/include/clang/Basic/DiagnosticDriverKinds.td

@@ -502,6 +502,10 @@ def err_sls_hardening_arm_not_supported : Error<
 def warn_drv_large_data_threshold_invalid_code_model: Warning<
   "'%0' only applies to medium and large code models">,
   InGroup<UnusedCommandLineArgument>;
+def warn_drv_math_errno_enabled_after_veclib: Warning<
+  "math errno enabled by '%0' after it was implicitly disabled by '%1',"
+  " this may limit the utilization of the vector library">,
+  InGroup<MathErrnoEnabledWithVecLib>;
 
 def note_drv_command_failed_diag_msg : Note<
   "diagnostic msg: %0">;

clang/include/clang/Basic/DiagnosticGroups.td

@@ -125,6 +125,7 @@ def FloatZeroConversion : DiagGroup<"float-zero-conversion">;
 def FloatConversion :
   DiagGroup<"float-conversion", [FloatOverflowConversion,
                                  FloatZeroConversion]>;
+def MathErrnoEnabledWithVecLib : DiagGroup<"math-errno-enabled-with-veclib">;
 
 def FrameAddress : DiagGroup<"frame-address">;
 def FreeNonHeapObject : DiagGroup<"free-nonheap-object">;

clang/include/clang/Driver/Options.td

@@ -3411,6 +3411,9 @@ def fno_experimental_isel : Flag<["-"], "fno-experimental-isel">, Group<f_clang_
 def fveclib : Joined<["-"], "fveclib=">, Group<f_Group>,
   Visibility<[ClangOption, CC1Option, FlangOption, FC1Option]>,
     HelpText<"Use the given vector functions library">,
+    HelpTextForVariants<[ClangOption, CC1Option],
+      "Use the given vector functions library. "
+      "Note: -fveclib={ArmPL,SLEEF} implies -fno-math-errno">,
     Values<"Accelerate,libmvec,MASSV,SVML,SLEEF,Darwin_libsystem_m,ArmPL,AMDLIBM,none">,
     NormalizedValuesScope<"llvm::driver::VectorLibrary">,
     NormalizedValues<["Accelerate", "LIBMVEC", "MASSV", "SVML", "SLEEF",
@@ -5394,6 +5397,10 @@ def mfrecipe : Flag<["-"], "mfrecipe">, Group<m_loongarch_Features_Group>,
   HelpText<"Enable frecipe.{s/d} and frsqrte.{s/d}">;
 def mno_frecipe : Flag<["-"], "mno-frecipe">, Group<m_loongarch_Features_Group>,
   HelpText<"Disable frecipe.{s/d} and frsqrte.{s/d}">;
+def mlam_bh : Flag<["-"], "mlam-bh">, Group<m_loongarch_Features_Group>,
+  HelpText<"Enable amswap_[db].{b/h} and amadd_[db].{b/h}">;
+def mno_lam_bh : Flag<["-"], "mno-lam-bh">, Group<m_loongarch_Features_Group>,
+  HelpText<"Disable amswap_[db].{b/h} and amadd_[db].{b/h}">;
 def mannotate_tablejump : Flag<["-"], "mannotate-tablejump">, Group<m_loongarch_Features_Group>,
   HelpText<"Enable annotate table jump instruction to correlate it with the jump table.">;
 def mno_annotate_tablejump : Flag<["-"], "mno-annotate-tablejump">, Group<m_loongarch_Features_Group>,

clang/include/clang/Sema/SemaHLSL.h

@@ -132,7 +132,6 @@ class SemaHLSL : public SemaBase {
 
   // HLSL Type trait implementations
   bool IsScalarizedLayoutCompatible(QualType T1, QualType T2) const;
-  bool IsIntangibleType(QualType T1);
 
   bool CheckCompatibleParameterABI(FunctionDecl *New, FunctionDecl *Old);
 

clang/include/clang/Serialization/ASTBitCodes.h

@@ -1149,7 +1149,7 @@ enum PredefinedTypeIDs {
 ///
 /// Type IDs for non-predefined types will start at
 /// NUM_PREDEF_TYPE_IDs.
-const unsigned NUM_PREDEF_TYPE_IDS = 509;
+const unsigned NUM_PREDEF_TYPE_IDS = 511;
 
 // Ensure we do not overrun the predefined types we reserved
 // in the enum PredefinedTypeIDs above.

clang/include/clang/Serialization/ModuleFile.h

@@ -15,6 +15,7 @@
 #define LLVM_CLANG_SERIALIZATION_MODULEFILE_H
 
 #include "clang/Basic/FileManager.h"
+#include "clang/Basic/LLVM.h"
 #include "clang/Basic/Module.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Serialization/ASTBitCodes.h"
@@ -144,8 +145,8 @@ class ModuleFile {
   /// The base directory of the module.
   std::string BaseDirectory;
 
-  std::string getTimestampFilename() const {
-    return FileName + ".timestamp";
+  static std::string getTimestampFilename(StringRef FileName) {
+    return (FileName + ".timestamp").str();
   }
 
   /// The original source file name that was used to build the

clang/lib/AST/ASTContext.cpp

@@ -2239,6 +2239,12 @@ TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const {
     Width = 0;                                                                 \
     Align = 16;                                                                \
     break;
+#define AARCH64_VECTOR_TYPE_MFLOAT(Name, MangledName, Id, SingletonId, NumEls, \
+                                   ElBits, NF)                                 \
+  case BuiltinType::Id:                                                        \
+    Width = NumEls * ElBits * NF;                                              \
+    Align = NumEls * ElBits;                                                   \
+    break;
 #include "clang/Basic/AArch64SVEACLETypes.def"
 #define PPC_VECTOR_TYPE(Name, Id, Size)                                        \
   case BuiltinType::Id:                                                        \
@@ -4361,6 +4367,11 @@ ASTContext::getBuiltinVectorTypeInfo(const BuiltinType *Ty) const {
 #define SVE_PREDICATE_TYPE_ALL(Name, MangledName, Id, SingletonId, NumEls, NF) \
   case BuiltinType::Id:                                                        \
     return {BoolTy, llvm::ElementCount::getScalable(NumEls), NF};
+#define AARCH64_VECTOR_TYPE_MFLOAT(Name, MangledName, Id, SingletonId, NumEls, \
+                                   ElBits, NF)                                 \
+  case BuiltinType::Id:                                                        \
+    return {getIntTypeForBitwidth(ElBits, false),                              \
+            llvm::ElementCount::getFixed(NumEls), NF};
 #define SVE_OPAQUE_TYPE(Name, MangledName, Id, SingletonId)
 #include "clang/Basic/AArch64SVEACLETypes.def"
 
@@ -4427,6 +4438,7 @@ QualType ASTContext::getScalableVectorType(QualType EltTy, unsigned NumElts,
   if (EltTy->isBooleanType() && NumElts == (NumEls * NF) && NumFields == 1)    \
     return SingletonId;
 #define SVE_OPAQUE_TYPE(Name, MangledName, Id, SingletonId)
+#define AARCH64_VECTOR_TYPE(Name, MangledName, Id, SingletonId)
 #include "clang/Basic/AArch64SVEACLETypes.def"
   } else if (Target->hasRISCVVTypes()) {
     uint64_t EltTySize = getTypeSize(EltTy);

clang/lib/AST/ByteCode/Interp.cpp

@@ -81,11 +81,17 @@ static bool diagnoseUnknownDecl(InterpState &S, CodePtr OpPC,
     return false;
   }
 
-  if (!D->getType().isConstQualified())
+  if (!D->getType().isConstQualified()) {
     diagnoseNonConstVariable(S, OpPC, D);
-  else if (const auto *VD = dyn_cast<VarDecl>(D);
-           VD && !VD->getAnyInitializer())
-    diagnoseMissingInitializer(S, OpPC, VD);
+  } else if (const auto *VD = dyn_cast<VarDecl>(D)) {
+    if (!VD->getAnyInitializer()) {
+      diagnoseMissingInitializer(S, OpPC, VD);
+    } else {
+      const SourceInfo &Loc = S.Current->getSource(OpPC);
+      S.FFDiag(Loc, diag::note_constexpr_var_init_non_constant, 1) << VD;
+      S.Note(VD->getLocation(), diag::note_declared_at);
+    }
+  }
 
   return false;
 }

clang/lib/AST/DeclCXX.cpp

@@ -1420,7 +1420,8 @@ void CXXRecordDecl::addedMember(Decl *D) {
       if (const RecordType *RT = dyn_cast<RecordType>(Ty))
         data().IsHLSLIntangible |= RT->getAsCXXRecordDecl()->isHLSLIntangible();
       else
-        data().IsHLSLIntangible |= Ty->isHLSLIntangibleType();
+        data().IsHLSLIntangible |= (Ty->isHLSLAttributedResourceType() ||
+                                    Ty->isHLSLBuiltinIntangibleType());
     }
   }
 

clang/lib/AST/ItaniumMangle.cpp

@@ -3430,6 +3430,11 @@ void CXXNameMangler::mangleType(const BuiltinType *T) {
     type_name = MangledName;                                                   \
     Out << (type_name == Name ? "u" : "") << type_name.size() << type_name;    \
     break;
+#define AARCH64_VECTOR_TYPE(Name, MangledName, Id, SingletonId)                \
+  case BuiltinType::Id:                                                        \
+    type_name = MangledName;                                                   \
+    Out << (type_name == Name ? "u" : "") << type_name.size() << type_name;    \
+    break;
 #include "clang/Basic/AArch64SVEACLETypes.def"
 #define PPC_VECTOR_TYPE(Name, Id, Size) \
   case BuiltinType::Id: \

clang/lib/AST/Type.cpp

@@ -2484,9 +2484,19 @@ bool Type::isSVESizelessBuiltinType() const {
   if (const BuiltinType *BT = getAs<BuiltinType>()) {
     switch (BT->getKind()) {
       // SVE Types
-#define SVE_TYPE(Name, Id, SingletonId) case BuiltinType::Id:
+#define SVE_VECTOR_TYPE(Name, MangledName, Id, SingletonId)                    \
+  case BuiltinType::Id:                                                        \
+    return true;
+#define SVE_OPAQUE_TYPE(Name, MangledName, Id, SingletonId)                    \
+  case BuiltinType::Id:                                                        \
+    return true;
+#define SVE_PREDICATE_TYPE(Name, MangledName, Id, SingletonId)                 \
+  case BuiltinType::Id:                                                        \
+    return true;
+#define AARCH64_VECTOR_TYPE(Name, MangledName, Id, SingletonId)                \
+  case BuiltinType::Id:                                                        \
+    return false;
 #include "clang/Basic/AArch64SVEACLETypes.def"
-      return true;
     default:
       return false;
     }
@@ -5030,6 +5040,29 @@ bool Type::hasSizedVLAType() const {
   return false;
 }
 
+bool Type::isHLSLIntangibleType() const {
+  const Type *Ty = getUnqualifiedDesugaredType();
+
+  // check if it's a builtin type first
+  if (Ty->isBuiltinType())
+    return Ty->isHLSLBuiltinIntangibleType();
+
+  // unwrap arrays
+  while (isa<ConstantArrayType>(Ty))
+    Ty = Ty->getArrayElementTypeNoTypeQual();
+
+  const RecordType *RT =
+      dyn_cast<RecordType>(Ty->getUnqualifiedDesugaredType());
+  if (!RT)
+    return false;
+
+  CXXRecordDecl *RD = RT->getAsCXXRecordDecl();
+  assert(RD != nullptr &&
+         "all HLSL struct and classes should be CXXRecordDecl");
+  assert(RD->isCompleteDefinition() && "expecting complete type");
+  return RD->isHLSLIntangible();
+}
+
 QualType::DestructionKind QualType::isDestructedTypeImpl(QualType type) {
   switch (type.getObjCLifetime()) {
   case Qualifiers::OCL_None:

clang/lib/Basic/Cuda.cpp

@@ -145,6 +145,7 @@ static const OffloadArchToStringMap arch_names[] = {
     GFX(1150), // gfx1150
     GFX(1151), // gfx1151
     GFX(1152), // gfx1152
+    GFX(1153), // gfx1153
     {OffloadArch::GFX12_GENERIC, "gfx12-generic", "compute_amdgcn"},
     GFX(1200), // gfx1200
     GFX(1201), // gfx1201