diff --git a/clang/lib/AST/Interp/InterpBuiltin.cpp b/clang/lib/AST/Interp/InterpBuiltin.cpp
@@ -7,6 +7,8 @@
 //===----------------------------------------------------------------------===//
 #include "../ExprConstShared.h"
 #include "Boolean.h"
+#include "Compiler.h"
+#include "EvalEmitter.h"
 #include "Interp.h"
 #include "PrimType.h"
 #include "clang/AST/OSLog.h"
@@ -1127,6 +1129,76 @@ static bool interp__builtin_ptrauth_string_discriminator(
   return true;
 }
 
+// FIXME: This implementation is not complete.
+// The Compiler instance we create cannot access the current stack frame, local
+// variables, function parameters, etc. We also need protection from
+// side-effects, fatal errors, etc.
+static bool interp__builtin_constant_p(InterpState &S, CodePtr OpPC,
+                                       const InterpFrame *Frame,
+                                       const Function *Func,
+                                       const CallExpr *Call) {
+  const Expr *Arg = Call->getArg(0);
+  QualType ArgType = Arg->getType();
+
+  auto returnInt = [&S, Call](bool Value) -> bool {
+    pushInteger(S, Value, Call->getType());
+    return true;
+  };
+
+  // __builtin_constant_p always has one operand. The rules which gcc follows
+  // are not precisely documented, but are as follows:
+  //
+  //  - If the operand is of integral, floating, complex or enumeration type,
+  //    and can be folded to a known value of that type, it returns 1.
+  //  - If the operand can be folded to a pointer to the first character
+  //    of a string literal (or such a pointer cast to an integral type)
+  //    or to a null pointer or an integer cast to a pointer, it returns 1.
+  //
+  // Otherwise, it returns 0.
+  //
+  // FIXME: GCC also intends to return 1 for literals of aggregate types, but
+  // its support for this did not work prior to GCC 9 and is not yet well
+  // understood.
+  if (ArgType->isIntegralOrEnumerationType() || ArgType->isFloatingType() ||
+      ArgType->isAnyComplexType() || ArgType->isPointerType() ||
+      ArgType->isNullPtrType()) {
+    InterpStack Stk;
+    Compiler<EvalEmitter> C(S.Ctx, S.P, S, Stk);
+    auto Res = C.interpretExpr(Arg, /*ConvertResultToRValue=*/Arg->isGLValue());
+    if (Res.isInvalid()) {
+      C.cleanup();
+      Stk.clear();
+    }
+
+    if (!Res.isInvalid() && !Res.empty()) {
+      const APValue &LV = Res.toAPValue();
+      if (LV.isLValue()) {
+        APValue::LValueBase Base = LV.getLValueBase();
+        if (Base.isNull()) {
+          // A null base is acceptable.
+          return returnInt(true);
+        } else if (const auto *E = Base.dyn_cast<const Expr *>()) {
+          if (!isa<StringLiteral>(E))
+            return returnInt(false);
+          return returnInt(LV.getLValueOffset().isZero());
+        } else if (Base.is<TypeInfoLValue>()) {
+          // Surprisingly, GCC considers __builtin_constant_p(&typeid(int)) to
+          // evaluate to true.
+          return returnInt(true);
+        } else {
+          // Any other base is not constant enough for GCC.
+          return returnInt(false);
+        }
+      }
+    }
+
+    // Otherwise, any constant value is good enough.
+    return returnInt(true);
+  }
+
+  return returnInt(false);
+}
+
 bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F,
                       const CallExpr *Call) {
   const InterpFrame *Frame = S.Current;
@@ -1456,6 +1528,11 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F,
       return false;
     break;
 
+  case Builtin::BI__builtin_constant_p:
+    if (!interp__builtin_constant_p(S, OpPC, Frame, F, Call))
+      return false;
+    break;
+
   default:
     S.FFDiag(S.Current->getLocation(OpPC),
              diag::note_invalid_subexpr_in_const_expr)

diff --git a/clang/lib/Analysis/FlowSensitive/DataflowEnvironment.cpp b/clang/lib/Analysis/FlowSensitive/DataflowEnvironment.cpp
@@ -416,7 +416,7 @@ class ResultObjectVisitor : public AnalysisASTVisitor<ResultObjectVisitor> {
     // below them can initialize the same object (or part of it).
     if (isa<CXXConstructExpr>(E) || isa<CallExpr>(E) || isa<LambdaExpr>(E) ||
         isa<CXXDefaultArgExpr>(E) || isa<CXXStdInitializerListExpr>(E) ||
-        isa<AtomicExpr>(E) ||
+        isa<AtomicExpr>(E) || isa<CXXInheritedCtorInitExpr>(E) ||
         // We treat `BuiltinBitCastExpr` as an "original initializer" too as
         // it may not even be casting from a record type -- and even if it is,
         // the two objects are in general of unrelated type.

diff --git a/clang/lib/Basic/LangOptions.cpp b/clang/lib/Basic/LangOptions.cpp
@@ -34,8 +34,8 @@ void LangOptions::resetNonModularOptions() {
   // invocations that cannot be round-tripped to arguments.
   // FIXME: we should derive this automatically from ImpliedBy in tablegen.
   AllowFPReassoc = UnsafeFPMath;
-  NoHonorNaNs = FiniteMathOnly;
-  NoHonorInfs = FiniteMathOnly;
+  NoHonorInfs = FastMath;
+  NoHonorNaNs = FastMath;
 
   // These options do not affect AST generation.
   NoSanitizeFiles.clear();

diff --git a/clang/lib/Basic/Targets/OSTargets.cpp b/clang/lib/Basic/Targets/OSTargets.cpp
@@ -173,10 +173,10 @@ static void addVisualCDefines(const LangOptions &Opts, MacroBuilder &Builder) {
   // "Under /fp:precise and /fp:strict, the compiler doesn't do any mathematical
   // transformation unless the transformation is guaranteed to produce a bitwise
   // identical result."
-  const bool any_imprecise_flags =
-      Opts.FastMath || Opts.FiniteMathOnly || Opts.UnsafeFPMath ||
-      Opts.AllowFPReassoc || Opts.NoHonorNaNs || Opts.NoHonorInfs ||
-      Opts.NoSignedZero || Opts.AllowRecip || Opts.ApproxFunc;
+  const bool any_imprecise_flags = Opts.FastMath || Opts.UnsafeFPMath ||
+                                   Opts.AllowFPReassoc || Opts.NoHonorNaNs ||
+                                   Opts.NoHonorInfs || Opts.NoSignedZero ||
+                                   Opts.AllowRecip || Opts.ApproxFunc;
 
   // "Under both /fp:precise and /fp:fast, the compiler generates code intended
   // to run in the default floating-point environment."

diff --git a/clang/lib/CodeGen/CGAtomic.cpp b/clang/lib/CodeGen/CGAtomic.cpp
@@ -727,7 +727,7 @@ static void EmitAtomicOp(CodeGenFunction &CGF, AtomicExpr *E, Address Dest,
 
   llvm::Value *LoadVal1 = CGF.Builder.CreateLoad(Val1);
   llvm::AtomicRMWInst *RMWI =
-      CGF.Builder.CreateAtomicRMW(Op, Ptr, LoadVal1, Order, Scope);
+      CGF.emitAtomicRMWInst(Op, Ptr, LoadVal1, Order, Scope);
   RMWI->setVolatile(E->isVolatile());
 
   // For __atomic_*_fetch operations, perform the operation again to
@@ -2034,6 +2034,17 @@ std::pair<RValue, llvm::Value *> CodeGenFunction::EmitAtomicCompareExchange(
                                            IsWeak);
 }
 
+llvm::AtomicRMWInst *
+CodeGenFunction::emitAtomicRMWInst(llvm::AtomicRMWInst::BinOp Op, Address Addr,
+                                   llvm::Value *Val, llvm::AtomicOrdering Order,
+                                   llvm::SyncScope::ID SSID) {
+
+  llvm::AtomicRMWInst *RMW =
+      Builder.CreateAtomicRMW(Op, Addr, Val, Order, SSID);
+  getTargetHooks().setTargetAtomicMetadata(*this, *RMW);
+  return RMW;
+}
+
 void CodeGenFunction::EmitAtomicUpdate(
     LValue LVal, llvm::AtomicOrdering AO,
     const llvm::function_ref<RValue(RValue)> &UpdateOp, bool IsVolatile) {

diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp
@@ -2841,9 +2841,10 @@ ScalarExprEmitter::EmitScalarPrePostIncDec(const UnaryOperator *E, LValue LV,
           isInc ? llvm::Instruction::FAdd : llvm::Instruction::FSub;
       llvm::Value *amt = llvm::ConstantFP::get(
           VMContext, llvm::APFloat(static_cast<float>(1.0)));
-      llvm::Value *old =
-          Builder.CreateAtomicRMW(aop, LV.getAddress(), amt,
-                                  llvm::AtomicOrdering::SequentiallyConsistent);
+      llvm::AtomicRMWInst *old =
+          CGF.emitAtomicRMWInst(aop, LV.getAddress(), amt,
+                                llvm::AtomicOrdering::SequentiallyConsistent);
+
       return isPre ? Builder.CreateBinOp(op, old, amt) : old;
     }
     value = EmitLoadOfLValue(LV, E->getExprLoc());
@@ -3583,9 +3584,9 @@ LValue ScalarExprEmitter::EmitCompoundAssignLValue(
             EmitScalarConversion(OpInfo.RHS, E->getRHS()->getType(), LHSTy,
                                  E->getExprLoc()),
             LHSTy);
-        Value *OldVal = Builder.CreateAtomicRMW(
-            AtomicOp, LHSLV.getAddress(), Amt,
-            llvm::AtomicOrdering::SequentiallyConsistent);
+
+        llvm::AtomicRMWInst *OldVal =
+            CGF.emitAtomicRMWInst(AtomicOp, LHSLV.getAddress(), Amt);
 
         // Since operation is atomic, the result type is guaranteed to be the
         // same as the input in LLVM terms.

diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -8867,36 +8867,21 @@ emitMappingInformation(CodeGenFunction &CGF, llvm::OpenMPIRBuilder &OMPBuilder,
                                          PLoc.getLine(), PLoc.getColumn(),
                                          SrcLocStrSize);
 }
-
 /// Emit the arrays used to pass the captures and map information to the
 /// offloading runtime library. If there is no map or capture information,
 /// return nullptr by reference.
-static void emitOffloadingArrays(
+static void emitOffloadingArraysAndArgs(
     CodeGenFunction &CGF, MappableExprsHandler::MapCombinedInfoTy &CombinedInfo,
     CGOpenMPRuntime::TargetDataInfo &Info, llvm::OpenMPIRBuilder &OMPBuilder,
-    bool IsNonContiguous = false) {
+    bool IsNonContiguous = false, bool ForEndCall = false) {
   CodeGenModule &CGM = CGF.CGM;
 
-  // Reset the array information.
-  Info.clearArrayInfo();
-  Info.NumberOfPtrs = CombinedInfo.BasePointers.size();
-
   using InsertPointTy = llvm::OpenMPIRBuilder::InsertPointTy;
   InsertPointTy AllocaIP(CGF.AllocaInsertPt->getParent(),
                          CGF.AllocaInsertPt->getIterator());
   InsertPointTy CodeGenIP(CGF.Builder.GetInsertBlock(),
                           CGF.Builder.GetInsertPoint());
 
-  auto FillInfoMap = [&](MappableExprsHandler::MappingExprInfo &MapExpr) {
-    return emitMappingInformation(CGF, OMPBuilder, MapExpr);
-  };
-  if (CGM.getCodeGenOpts().getDebugInfo() !=
-      llvm::codegenoptions::NoDebugInfo) {
-    CombinedInfo.Names.resize(CombinedInfo.Exprs.size());
-    llvm::transform(CombinedInfo.Exprs, CombinedInfo.Names.begin(),
-                    FillInfoMap);
-  }
-
   auto DeviceAddrCB = [&](unsigned int I, llvm::Value *NewDecl) {
     if (const ValueDecl *DevVD = CombinedInfo.DevicePtrDecls[I]) {
       Info.CaptureDeviceAddrMap.try_emplace(DevVD, NewDecl);
@@ -8907,14 +8892,14 @@ static void emitOffloadingArrays(
     llvm::Value *MFunc = nullptr;
     if (CombinedInfo.Mappers[I]) {
       Info.HasMapper = true;
-      MFunc = CGF.CGM.getOpenMPRuntime().getOrCreateUserDefinedMapperFunc(
+      MFunc = CGM.getOpenMPRuntime().getOrCreateUserDefinedMapperFunc(
           cast<OMPDeclareMapperDecl>(CombinedInfo.Mappers[I]));
     }
     return MFunc;
   };
-  OMPBuilder.emitOffloadingArrays(AllocaIP, CodeGenIP, CombinedInfo, Info,
-                                  /*IsNonContiguous=*/true, DeviceAddrCB,
-                                  CustomMapperCB);
+  OMPBuilder.emitOffloadingArraysAndArgs(
+      AllocaIP, CodeGenIP, Info, Info.RTArgs, CombinedInfo, IsNonContiguous,
+      ForEndCall, DeviceAddrCB, CustomMapperCB);
 }
 
 /// Check for inner distribute directive.
@@ -9479,29 +9464,14 @@ llvm::Value *emitDynCGGroupMem(const OMPExecutableDirective &D,
   }
   return DynCGroupMem;
 }
+static void genMapInfoForCaptures(
+    MappableExprsHandler &MEHandler, CodeGenFunction &CGF,
+    const CapturedStmt &CS, llvm::SmallVectorImpl<llvm::Value *> &CapturedVars,
+    llvm::OpenMPIRBuilder &OMPBuilder,
+    llvm::DenseSet<CanonicalDeclPtr<const Decl>> &MappedVarSet,
+    MappableExprsHandler::MapCombinedInfoTy &CombinedInfo) {
 
-static void emitTargetCallKernelLaunch(
-    CGOpenMPRuntime *OMPRuntime, llvm::Function *OutlinedFn,
-    const OMPExecutableDirective &D,
-    llvm::SmallVectorImpl<llvm::Value *> &CapturedVars, bool RequiresOuterTask,
-    const CapturedStmt &CS, bool OffloadingMandatory,
-    llvm::PointerIntPair<const Expr *, 2, OpenMPDeviceClauseModifier> Device,
-    llvm::Value *OutlinedFnID, CodeGenFunction::OMPTargetDataInfo &InputInfo,
-    llvm::Value *&MapTypesArray, llvm::Value *&MapNamesArray,
-    llvm::function_ref<llvm::Value *(CodeGenFunction &CGF,
-                                     const OMPLoopDirective &D)>
-        SizeEmitter,
-    CodeGenFunction &CGF, CodeGenModule &CGM) {
-  llvm::OpenMPIRBuilder &OMPBuilder = OMPRuntime->getOMPBuilder();
-
-  // Fill up the arrays with all the captured variables.
-  MappableExprsHandler::MapCombinedInfoTy CombinedInfo;
-
-  // Get mappable expression information.
-  MappableExprsHandler MEHandler(D, CGF);
   llvm::DenseMap<llvm::Value *, llvm::Value *> LambdaPointers;
-  llvm::DenseSet<CanonicalDeclPtr<const Decl>> MappedVarSet;
-
   auto RI = CS.getCapturedRecordDecl()->field_begin();
   auto *CV = CapturedVars.begin();
   for (CapturedStmt::const_capture_iterator CI = CS.capture_begin(),
@@ -9568,18 +9538,64 @@ static void emitTargetCallKernelLaunch(
   MEHandler.adjustMemberOfForLambdaCaptures(
       OMPBuilder, LambdaPointers, CombinedInfo.BasePointers,
       CombinedInfo.Pointers, CombinedInfo.Types);
+}
+static void
+genMapInfo(MappableExprsHandler &MEHandler, CodeGenFunction &CGF,
+           MappableExprsHandler::MapCombinedInfoTy &CombinedInfo,
+           llvm::OpenMPIRBuilder &OMPBuilder,
+           const llvm::DenseSet<CanonicalDeclPtr<const Decl>> &SkippedVarSet =
+               llvm::DenseSet<CanonicalDeclPtr<const Decl>>()) {
+
+  CodeGenModule &CGM = CGF.CGM;
   // Map any list items in a map clause that were not captures because they
   // weren't referenced within the construct.
-  MEHandler.generateAllInfo(CombinedInfo, OMPBuilder, MappedVarSet);
+  MEHandler.generateAllInfo(CombinedInfo, OMPBuilder, SkippedVarSet);
+
+  auto FillInfoMap = [&](MappableExprsHandler::MappingExprInfo &MapExpr) {
+    return emitMappingInformation(CGF, OMPBuilder, MapExpr);
+  };
+  if (CGM.getCodeGenOpts().getDebugInfo() !=
+      llvm::codegenoptions::NoDebugInfo) {
+    CombinedInfo.Names.resize(CombinedInfo.Exprs.size());
+    llvm::transform(CombinedInfo.Exprs, CombinedInfo.Names.begin(),
+                    FillInfoMap);
+  }
+}
 
+static void genMapInfo(const OMPExecutableDirective &D, CodeGenFunction &CGF,
+                       const CapturedStmt &CS,
+                       llvm::SmallVectorImpl<llvm::Value *> &CapturedVars,
+                       llvm::OpenMPIRBuilder &OMPBuilder,
+                       MappableExprsHandler::MapCombinedInfoTy &CombinedInfo) {
+  // Get mappable expression information.
+  MappableExprsHandler MEHandler(D, CGF);
+  llvm::DenseSet<CanonicalDeclPtr<const Decl>> MappedVarSet;
+
+  genMapInfoForCaptures(MEHandler, CGF, CS, CapturedVars, OMPBuilder,
+                        MappedVarSet, CombinedInfo);
+  genMapInfo(MEHandler, CGF, CombinedInfo, OMPBuilder, MappedVarSet);
+}
+static void emitTargetCallKernelLaunch(
+    CGOpenMPRuntime *OMPRuntime, llvm::Function *OutlinedFn,
+    const OMPExecutableDirective &D,
+    llvm::SmallVectorImpl<llvm::Value *> &CapturedVars, bool RequiresOuterTask,
+    const CapturedStmt &CS, bool OffloadingMandatory,
+    llvm::PointerIntPair<const Expr *, 2, OpenMPDeviceClauseModifier> Device,
+    llvm::Value *OutlinedFnID, CodeGenFunction::OMPTargetDataInfo &InputInfo,
+    llvm::Value *&MapTypesArray, llvm::Value *&MapNamesArray,
+    llvm::function_ref<llvm::Value *(CodeGenFunction &CGF,
+                                     const OMPLoopDirective &D)>
+        SizeEmitter,
+    CodeGenFunction &CGF, CodeGenModule &CGM) {
+  llvm::OpenMPIRBuilder &OMPBuilder = OMPRuntime->getOMPBuilder();
+
+  // Fill up the arrays with all the captured variables.
+  MappableExprsHandler::MapCombinedInfoTy CombinedInfo;
   CGOpenMPRuntime::TargetDataInfo Info;
-  // Fill up the arrays and create the arguments.
-  emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder);
-  bool EmitDebug = CGF.CGM.getCodeGenOpts().getDebugInfo() !=
-                   llvm::codegenoptions::NoDebugInfo;
-  OMPBuilder.emitOffloadingArraysArgument(CGF.Builder, Info.RTArgs, Info,
-                                          EmitDebug,
-                                          /*ForEndCall=*/false);
+  genMapInfo(D, CGF, CS, CapturedVars, OMPBuilder, CombinedInfo);
+
+  emitOffloadingArraysAndArgs(CGF, CombinedInfo, Info, OMPBuilder,
+                              /*IsNonContiguous=*/true, /*ForEndCall=*/false);
 
   InputInfo.NumberOfTargetItems = Info.NumberOfPtrs;
   InputInfo.BasePointersArray = Address(Info.RTArgs.BasePointersArray,
@@ -10474,22 +10490,15 @@ void CGOpenMPRuntime::emitTargetDataStandAloneCall(
                                           PrePostActionTy &) {
     // Fill up the arrays with all the mapped variables.
     MappableExprsHandler::MapCombinedInfoTy CombinedInfo;
-
-    // Get map clause information.
+    CGOpenMPRuntime::TargetDataInfo Info;
     MappableExprsHandler MEHandler(D, CGF);
-    MEHandler.generateAllInfo(CombinedInfo, OMPBuilder);
+    genMapInfo(MEHandler, CGF, CombinedInfo, OMPBuilder);
+    emitOffloadingArraysAndArgs(CGF, CombinedInfo, Info, OMPBuilder,
+                                /*IsNonContiguous=*/true, /*ForEndCall=*/false);
 
-    CGOpenMPRuntime::TargetDataInfo Info;
-    // Fill up the arrays and create the arguments.
-    emitOffloadingArrays(CGF, CombinedInfo, Info, OMPBuilder,
-                         /*IsNonContiguous=*/true);
     bool RequiresOuterTask = D.hasClausesOfKind<OMPDependClause>() ||
                              D.hasClausesOfKind<OMPNowaitClause>();
-    bool EmitDebug = CGF.CGM.getCodeGenOpts().getDebugInfo() !=
-                     llvm::codegenoptions::NoDebugInfo;
-    OMPBuilder.emitOffloadingArraysArgument(CGF.Builder, Info.RTArgs, Info,
-                                            EmitDebug,
-                                            /*ForEndCall=*/false);
+
     InputInfo.NumberOfTargetItems = Info.NumberOfPtrs;
     InputInfo.BasePointersArray = Address(Info.RTArgs.BasePointersArray,
                                           CGF.VoidPtrTy, CGM.getPointerAlign());

diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -6326,8 +6326,8 @@ static std::pair<bool, RValue> emitOMPAtomicRMW(CodeGenFunction &CGF, LValue X,
       UpdateVal = CGF.Builder.CreateCast(llvm::Instruction::CastOps::UIToFP, IC,
                                          X.getAddress().getElementType());
   }
-  llvm::Value *Res =
-      CGF.Builder.CreateAtomicRMW(RMWOp, X.getAddress(), UpdateVal, AO);
+  llvm::AtomicRMWInst *Res =
+      CGF.emitAtomicRMWInst(RMWOp, X.getAddress(), UpdateVal, AO);
   return std::make_pair(true, RValue::get(Res));
 }
 

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
@@ -4160,6 +4160,13 @@ class CodeGenFunction : public CodeGenTypeCache {
           llvm::AtomicOrdering::SequentiallyConsistent,
       bool IsWeak = false, AggValueSlot Slot = AggValueSlot::ignored());
 
+  /// Emit an atomicrmw instruction, and applying relevant metadata when
+  /// applicable.
+  llvm::AtomicRMWInst *emitAtomicRMWInst(
+      llvm::AtomicRMWInst::BinOp Op, Address Addr, llvm::Value *Val,
+      llvm::AtomicOrdering Order = llvm::AtomicOrdering::SequentiallyConsistent,
+      llvm::SyncScope::ID SSID = llvm::SyncScope::System);
+
   void EmitAtomicUpdate(LValue LVal, llvm::AtomicOrdering AO,
                         const llvm::function_ref<RValue(RValue)> &UpdateOp,
                         bool IsVolatile);

diff --git a/clang/lib/CodeGen/TargetInfo.h b/clang/lib/CodeGen/TargetInfo.h
@@ -334,6 +334,10 @@ class TargetCodeGenInfo {
                                                  llvm::AtomicOrdering Ordering,
                                                  llvm::LLVMContext &Ctx) const;
 
+  /// Allow the target to apply other metadata to an atomic instruction
+  virtual void setTargetAtomicMetadata(CodeGenFunction &CGF,
+                                       llvm::AtomicRMWInst &RMW) const {}
+
   /// Interface class for filling custom fields of a block literal for OpenCL.
   class TargetOpenCLBlockHelper {
   public:

diff --git a/clang/lib/CodeGen/Targets/AMDGPU.cpp b/clang/lib/CodeGen/Targets/AMDGPU.cpp
@@ -311,6 +311,8 @@ class AMDGPUTargetCodeGenInfo : public TargetCodeGenInfo {
                                          SyncScope Scope,
                                          llvm::AtomicOrdering Ordering,
                                          llvm::LLVMContext &Ctx) const override;
+  void setTargetAtomicMetadata(CodeGenFunction &CGF,
+                               llvm::AtomicRMWInst &RMW) const override;
   llvm::Value *createEnqueuedBlockKernel(CodeGenFunction &CGF,
                                          llvm::Function *BlockInvokeFunc,
                                          llvm::Type *BlockTy) const override;
@@ -546,6 +548,23 @@ AMDGPUTargetCodeGenInfo::getLLVMSyncScopeID(const LangOptions &LangOpts,
   return Ctx.getOrInsertSyncScopeID(Name);
 }
 
+void AMDGPUTargetCodeGenInfo::setTargetAtomicMetadata(
+    CodeGenFunction &CGF, llvm::AtomicRMWInst &RMW) const {
+  if (!CGF.getTarget().allowAMDGPUUnsafeFPAtomics())
+    return;
+
+  // TODO: Introduce new, more controlled options that also work for integers,
+  // and deprecate allowAMDGPUUnsafeFPAtomics.
+  llvm::AtomicRMWInst::BinOp RMWOp = RMW.getOperation();
+  if (llvm::AtomicRMWInst::isFPOperation(RMWOp)) {
+    llvm::MDNode *Empty = llvm::MDNode::get(CGF.getLLVMContext(), {});
+    RMW.setMetadata("amdgpu.no.fine.grained.memory", Empty);
+
+    if (RMWOp == llvm::AtomicRMWInst::FAdd && RMW.getType()->isFloatTy())
+      RMW.setMetadata("amdgpu.ignore.denormal.mode", Empty);
+  }
+}
+
 bool AMDGPUTargetCodeGenInfo::shouldEmitStaticExternCAliases() const {
   return false;
 }

diff --git a/clang/lib/Driver/ToolChains/AMDGPU.cpp b/clang/lib/Driver/ToolChains/AMDGPU.cpp
@@ -620,8 +620,10 @@ void amdgpu::Linker::ConstructJob(Compilation &C, const JobAction &JA,
                                   const char *LinkingOutput) const {
   std::string Linker = getToolChain().GetLinkerPath();
   ArgStringList CmdArgs;
-  CmdArgs.push_back("--no-undefined");
-  CmdArgs.push_back("-shared");
+  if (!Args.hasArg(options::OPT_r)) {
+    CmdArgs.push_back("--no-undefined");
+    CmdArgs.push_back("-shared");
+  }
 
   addLinkerCompressDebugSectionsOption(getToolChain(), Args, CmdArgs);
   Args.AddAllArgs(CmdArgs, options::OPT_L);

diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -3384,9 +3384,28 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D,
     CmdArgs.push_back("-ffast-math");
 
   // Handle __FINITE_MATH_ONLY__ similarly.
-  if (!HonorINFs && !HonorNaNs)
+  // The -ffinite-math-only is added to CmdArgs when !HonorINFs && !HonorNaNs.
+  // Otherwise process the Xclang arguments to determine if -menable-no-infs and
+  // -menable-no-nans are set by the user.
+  bool shouldAddFiniteMathOnly = false;
+  if (!HonorINFs && !HonorNaNs) {
+    shouldAddFiniteMathOnly = true;
+  } else {
+    bool InfValues = true;
+    bool NanValues = true;
+    for (const auto *Arg : Args.filtered(options::OPT_Xclang)) {
+      StringRef ArgValue = Arg->getValue();
+      if (ArgValue == "-menable-no-nans")
+        NanValues = false;
+      else if (ArgValue == "-menable-no-infs")
+        InfValues = false;
+    }
+    if (!NanValues && !InfValues)
+      shouldAddFiniteMathOnly = true;
+  }
+  if (shouldAddFiniteMathOnly) {
     CmdArgs.push_back("-ffinite-math-only");
-
+  }
   if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ)) {
     CmdArgs.push_back("-mfpmath");
     CmdArgs.push_back(A->getValue());
@@ -3755,6 +3774,11 @@ static void RenderOpenCLOptions(const ArgList &Args, ArgStringList &CmdArgs,
     CmdArgs.push_back(Args.MakeArgString(CLExtStr));
   }
 
+  if (Args.hasArg(options::OPT_cl_finite_math_only)) {
+    CmdArgs.push_back("-menable-no-infs");
+    CmdArgs.push_back("-menable-no-nans");
+  }
+
   for (const auto &Arg : ForwardedArguments)
     if (const auto *A = Args.getLastArg(Arg))
       CmdArgs.push_back(Args.MakeArgString(A->getOption().getPrefixedName()));

diff --git a/clang/lib/Driver/ToolChains/Cuda.cpp b/clang/lib/Driver/ToolChains/Cuda.cpp
@@ -625,6 +625,13 @@ void NVPTX::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     addLTOOptions(getToolChain(), Args, CmdArgs, Output, Inputs[0],
                   C.getDriver().getLTOMode() == LTOK_Thin);
 
+  // Forward the PTX features if the nvlink-wrapper needs it.
+  std::vector<StringRef> Features;
+  getNVPTXTargetFeatures(C.getDriver(), getToolChain().getTriple(), Args,
+                         Features);
+  for (StringRef Feature : Features)
+    CmdArgs.append({"--feature", Args.MakeArgString(Feature)});
+
   addGPULibraries(getToolChain(), Args, CmdArgs);
 
   // Add paths for the default clang library path.

diff --git a/clang/lib/Driver/ToolChains/PS4CPU.cpp b/clang/lib/Driver/ToolChains/PS4CPU.cpp
@@ -266,6 +266,10 @@ void tools::PS5cpu::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   if (UseJMC)
     AddLTOFlag("-enable-jmc-instrument");
 
+  if (Args.hasFlag(options::OPT_fstack_size_section,
+                   options::OPT_fno_stack_size_section, false))
+    AddLTOFlag("-stack-size-section");
+
   if (Arg *A = Args.getLastArg(options::OPT_fcrash_diagnostics_dir))
     AddLTOFlag(Twine("-crash-diagnostics-dir=") + A->getValue());
 

diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -1318,7 +1318,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
   if (!LangOpts.MathErrno)
     Builder.defineMacro("__NO_MATH_ERRNO__");
 
-  if (LangOpts.FastMath || LangOpts.FiniteMathOnly)
+  if (LangOpts.FastMath || (LangOpts.NoHonorInfs && LangOpts.NoHonorNaNs))
     Builder.defineMacro("__FINITE_MATH_ONLY__", "1");
   else
     Builder.defineMacro("__FINITE_MATH_ONLY__", "0");

diff --git a/clang/lib/Frontend/PrintPreprocessedOutput.cpp b/clang/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -980,7 +980,6 @@ static void PrintPreprocessedTokens(Preprocessor &PP, Token &Tok,
         *Callbacks->OS << static_cast<unsigned>(*Iter);
         PrintComma = true;
       }
-      IsStartOfLine = true;
     } else if (Tok.isAnnotation()) {
       // Ignore annotation tokens created by pragmas - the pragmas themselves
       // will be reproduced in the preprocessed output.

diff --git a/clang/lib/InstallAPI/DirectoryScanner.cpp b/clang/lib/InstallAPI/DirectoryScanner.cpp
@@ -130,7 +130,8 @@ Error DirectoryScanner::scanHeaders(StringRef Path, Library &Lib,
   if (ParentPath.empty())
     ParentPath = Path;
   for (const StringRef Dir : SubDirectories)
-    return scanHeaders(Dir, Lib, Type, BasePath, ParentPath);
+    if (Error Err = scanHeaders(Dir, Lib, Type, BasePath, ParentPath))
+      return Err;
 
   return Error::success();
 }

diff --git a/clang/lib/Lex/PPMacroExpansion.cpp b/clang/lib/Lex/PPMacroExpansion.cpp
@@ -1604,6 +1604,16 @@ static bool isTargetVariantEnvironment(const TargetInfo &TI,
   return false;
 }
 
+#if defined(__sun__) && defined(__svr4__)
+// GCC mangles std::tm as tm for binary compatibility on Solaris (Issue
+// #33114).  We need to match this to allow the std::put_time calls to link
+// (PR #99075).
+asm("_ZNKSt8time_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE3putES3_"
+    "RSt8ios_basecPKSt2tmPKcSB_ = "
+    "_ZNKSt8time_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE3putES3_"
+    "RSt8ios_basecPK2tmPKcSB_");
+#endif
+
 /// ExpandBuiltinMacro - If an identifier token is read that is to be expanded
 /// as a builtin macro, handle it and return the next token as 'Tok'.
 void Preprocessor::ExpandBuiltinMacro(Token &Tok) {

diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
@@ -763,6 +763,9 @@ class CastExpressionIdValidator final : public CorrectionCandidateCallback {
 bool Parser::isRevertibleTypeTrait(const IdentifierInfo *II,
                                    tok::TokenKind *Kind) {
   if (RevertibleTypeTraits.empty()) {
+// Revertible type trait is a feature for backwards compatibility with older
+// standard libraries that declare their own structs with the same name as
+// the builtins listed below. New builtins should NOT be added to this list.
 #define RTT_JOIN(X, Y) X##Y
 #define REVERTIBLE_TYPE_TRAIT(Name)                                            \
   RevertibleTypeTraits[PP.getIdentifierInfo(#Name)] = RTT_JOIN(tok::kw_, Name)
@@ -790,7 +793,6 @@ bool Parser::isRevertibleTypeTrait(const IdentifierInfo *II,
     REVERTIBLE_TYPE_TRAIT(__is_fundamental);
     REVERTIBLE_TYPE_TRAIT(__is_integral);
     REVERTIBLE_TYPE_TRAIT(__is_interface_class);
-    REVERTIBLE_TYPE_TRAIT(__is_layout_compatible);
     REVERTIBLE_TYPE_TRAIT(__is_literal);
     REVERTIBLE_TYPE_TRAIT(__is_lvalue_expr);
     REVERTIBLE_TYPE_TRAIT(__is_lvalue_reference);

diff --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp
@@ -3837,6 +3837,7 @@ OMPClause *Parser::ParseOpenMPSingleExprWithArgClause(OpenMPDirectiveKind DKind,
     // Get a defaultmap modifier
     unsigned Modifier = getOpenMPSimpleClauseType(
         Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts());
+
     // Set defaultmap modifier to unknown if it is either scalar, aggregate, or
     // pointer
     if (Modifier < OMPC_DEFAULTMAP_MODIFIER_unknown)

diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
@@ -1477,6 +1477,18 @@ static bool BuiltinSEHScopeCheck(Sema &SemaRef, CallExpr *TheCall,
   return false;
 }
 
+// In OpenCL, __builtin_alloca_* should return a pointer to address space
+// that corresponds to the stack address space i.e private address space.
+static void builtinAllocaAddrSpace(Sema &S, CallExpr *TheCall) {
+  QualType RT = TheCall->getType();
+  assert((RT->isPointerType() && !(RT->getPointeeType().hasAddressSpace())) &&
+         "__builtin_alloca has invalid address space");
+
+  RT = RT->getPointeeType();
+  RT = S.Context.getAddrSpaceQualType(RT, LangAS::opencl_private);
+  TheCall->setType(S.Context.getPointerType(RT));
+}
+
 namespace {
 enum PointerAuthOpKind {
   PAO_Strip,
@@ -2214,6 +2226,9 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl, unsigned BuiltinID,
   case Builtin::BI__builtin_alloca_uninitialized:
     Diag(TheCall->getBeginLoc(), diag::warn_alloca)
         << TheCall->getDirectCallee();
+    if (getLangOpts().OpenCL) {
+      builtinAllocaAddrSpace(*this, TheCall);
+    }
     break;
   case Builtin::BI__arithmetic_fence:
     if (BuiltinArithmeticFence(TheCall))
@@ -6030,7 +6045,7 @@ static const Expr *maybeConstEvalStringLiteral(ASTContext &Context,
 Sema::FormatStringType Sema::GetFormatStringType(const FormatAttr *Format) {
   return llvm::StringSwitch<FormatStringType>(Format->getType()->getName())
       .Case("scanf", FST_Scanf)
-      .Cases("printf", "printf0", FST_Printf)
+      .Cases("printf", "printf0", "syslog", FST_Printf)
       .Cases("NSString", "CFString", FST_NSString)
       .Case("strftime", FST_Strftime)
       .Case("strfmon", FST_Strfmon)
@@ -6124,6 +6139,7 @@ bool Sema::CheckFormatArguments(ArrayRef<const Expr *> Args,
     case FST_Kprintf:
     case FST_FreeBSDKPrintf:
     case FST_Printf:
+    case FST_Syslog:
       Diag(FormatLoc, diag::note_format_security_fixit)
         << FixItHint::CreateInsertion(FormatLoc, "\"%s\", ");
       break;
@@ -7860,7 +7876,7 @@ static void CheckFormatString(
 
   if (Type == Sema::FST_Printf || Type == Sema::FST_NSString ||
       Type == Sema::FST_FreeBSDKPrintf || Type == Sema::FST_OSLog ||
-      Type == Sema::FST_OSTrace) {
+      Type == Sema::FST_OSTrace || Type == Sema::FST_Syslog) {
     CheckPrintfHandler H(
         S, FExpr, OrigFormatExpr, Type, firstDataArg, numDataArgs,
         (Type == Sema::FST_NSString || Type == Sema::FST_OSTrace), Str, APK,
@@ -8202,20 +8218,46 @@ static bool IsStdFunction(const FunctionDecl *FDecl,
   return true;
 }
 
+enum class MathCheck { NaN, Inf };
+static bool IsInfOrNanFunction(StringRef calleeName, MathCheck Check) {
+  auto MatchesAny = [&](std::initializer_list<llvm::StringRef> names) {
+    return std::any_of(names.begin(), names.end(), [&](llvm::StringRef name) {
+      return calleeName == name;
+    });
+  };
+
+  switch (Check) {
+  case MathCheck::NaN:
+    return MatchesAny({"__builtin_nan", "__builtin_nanf", "__builtin_nanl",
+                       "__builtin_nanf16", "__builtin_nanf128"});
+  case MathCheck::Inf:
+    return MatchesAny({"__builtin_inf", "__builtin_inff", "__builtin_infl",
+                       "__builtin_inff16", "__builtin_inff128"});
+  }
+  llvm_unreachable("unknown MathCheck");
+}
+
 void Sema::CheckInfNaNFunction(const CallExpr *Call,
                                const FunctionDecl *FDecl) {
   FPOptions FPO = Call->getFPFeaturesInEffect(getLangOpts());
-  if ((IsStdFunction(FDecl, "isnan") || IsStdFunction(FDecl, "isunordered") ||
-       (Call->getBuiltinCallee() == Builtin::BI__builtin_nanf)) &&
-      FPO.getNoHonorNaNs())
+  bool HasIdentifier = FDecl->getIdentifier() != nullptr;
+  bool IsNaNOrIsUnordered =
+      IsStdFunction(FDecl, "isnan") || IsStdFunction(FDecl, "isunordered");
+  bool IsSpecialNaN =
+      HasIdentifier && IsInfOrNanFunction(FDecl->getName(), MathCheck::NaN);
+  if ((IsNaNOrIsUnordered || IsSpecialNaN) && FPO.getNoHonorNaNs()) {
     Diag(Call->getBeginLoc(), diag::warn_fp_nan_inf_when_disabled)
         << 1 << 0 << Call->getSourceRange();
-  else if ((IsStdFunction(FDecl, "isinf") ||
-            (IsStdFunction(FDecl, "isfinite") ||
-             (FDecl->getIdentifier() && FDecl->getName() == "infinity"))) &&
-           FPO.getNoHonorInfs())
-    Diag(Call->getBeginLoc(), diag::warn_fp_nan_inf_when_disabled)
-        << 0 << 0 << Call->getSourceRange();
+  } else {
+    bool IsInfOrIsFinite =
+        IsStdFunction(FDecl, "isinf") || IsStdFunction(FDecl, "isfinite");
+    bool IsInfinityOrIsSpecialInf =
+        HasIdentifier && ((FDecl->getName() == "infinity") ||
+                          IsInfOrNanFunction(FDecl->getName(), MathCheck::Inf));
+    if ((IsInfOrIsFinite || IsInfinityOrIsSpecialInf) && FPO.getNoHonorInfs())
+      Diag(Call->getBeginLoc(), diag::warn_fp_nan_inf_when_disabled)
+          << 0 << 0 << Call->getSourceRange();
+  }
 }
 
 void Sema::CheckAbsoluteValueFunction(const CallExpr *Call,

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
@@ -11009,6 +11009,9 @@ static bool AttrCompatibleWithMultiVersion(attr::Kind Kind,
   switch (Kind) {
   default:
     return false;
+  case attr::ArmLocallyStreaming:
+    return MVKind == MultiVersionKind::TargetVersion ||
+           MVKind == MultiVersionKind::TargetClones;
   case attr::Used:
     return MVKind == MultiVersionKind::Target;
   case attr::NonNull:
@@ -11145,7 +11148,21 @@ bool Sema::areMultiversionVariantFunctionsCompatible(
     FunctionType::ExtInfo OldTypeInfo = OldType->getExtInfo();
     FunctionType::ExtInfo NewTypeInfo = NewType->getExtInfo();
 
-    if (OldTypeInfo.getCC() != NewTypeInfo.getCC())
+    const auto *OldFPT = OldFD->getType()->getAs<FunctionProtoType>();
+    const auto *NewFPT = NewFD->getType()->getAs<FunctionProtoType>();
+
+    bool ArmStreamingCCMismatched = false;
+    if (OldFPT && NewFPT) {
+      unsigned Diff =
+          OldFPT->getAArch64SMEAttributes() ^ NewFPT->getAArch64SMEAttributes();
+      // Arm-streaming, arm-streaming-compatible and non-streaming versions
+      // cannot be mixed.
+      if (Diff & (FunctionType::SME_PStateSMEnabledMask |
+                  FunctionType::SME_PStateSMCompatibleMask))
+        ArmStreamingCCMismatched = true;
+    }
+
+    if (OldTypeInfo.getCC() != NewTypeInfo.getCC() || ArmStreamingCCMismatched)
       return Diag(DiffDiagIDAt.first, DiffDiagIDAt.second) << CallingConv;
 
     QualType OldReturnType = OldType->getReturnType();
@@ -11165,9 +11182,8 @@ bool Sema::areMultiversionVariantFunctionsCompatible(
     if (!CLinkageMayDiffer && OldFD->isExternC() != NewFD->isExternC())
       return Diag(DiffDiagIDAt.first, DiffDiagIDAt.second) << LanguageLinkage;
 
-    if (CheckEquivalentExceptionSpec(
-            OldFD->getType()->getAs<FunctionProtoType>(), OldFD->getLocation(),
-            NewFD->getType()->getAs<FunctionProtoType>(), NewFD->getLocation()))
+    if (CheckEquivalentExceptionSpec(OldFPT, OldFD->getLocation(), NewFPT,
+                                     NewFD->getLocation()))
       return true;
   }
   return false;

diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -3034,9 +3034,6 @@ bool Sema::checkTargetVersionAttr(SourceLocation LiteralLoc, Decl *D,
       return Diag(LiteralLoc, diag::warn_unsupported_target_attribute)
              << Unsupported << None << CurFeature << TargetVersion;
   }
-  if (IsArmStreamingFunction(cast<FunctionDecl>(D),
-                             /*IncludeLocallyStreaming=*/false))
-    return Diag(LiteralLoc, diag::err_sme_streaming_cannot_be_multiversioned);
   return false;
 }
 
@@ -3133,10 +3130,6 @@ bool Sema::checkTargetClonesAttrString(
           HasNotDefault = true;
         }
       }
-      if (IsArmStreamingFunction(cast<FunctionDecl>(D),
-                                 /*IncludeLocallyStreaming=*/false))
-        return Diag(LiteralLoc,
-                    diag::err_sme_streaming_cannot_be_multiversioned);
     } else {
       // Other targets ( currently X86 )
       if (Cur.starts_with("arch=")) {
@@ -3407,8 +3400,8 @@ static FormatAttrKind getFormatAttrKind(StringRef Format) {
       // Otherwise, check for supported formats.
       .Cases("scanf", "printf", "printf0", "strfmon", SupportedFormat)
       .Cases("cmn_err", "vcmn_err", "zcmn_err", SupportedFormat)
-      .Case("kprintf", SupportedFormat)         // OpenBSD.
-      .Case("freebsd_kprintf", SupportedFormat) // FreeBSD.
+      .Cases("kprintf", "syslog", SupportedFormat) // OpenBSD.
+      .Case("freebsd_kprintf", SupportedFormat)    // FreeBSD.
       .Case("os_trace", SupportedFormat)
       .Case("os_log", SupportedFormat)
 

diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -10385,7 +10385,7 @@ void Sema::checkIncorrectVTablePointerAuthenticationAttribute(
   while (1) {
     assert(PrimaryBase);
     const CXXRecordDecl *Base = nullptr;
-    for (auto BasePtr : PrimaryBase->bases()) {
+    for (const CXXBaseSpecifier &BasePtr : PrimaryBase->bases()) {
       if (!BasePtr.getType()->getAsCXXRecordDecl()->isDynamicClass())
         continue;
       Base = BasePtr.getType()->getAsCXXRecordDecl();

diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
@@ -6030,6 +6030,32 @@ static bool EvaluateBinaryTypeTrait(Sema &Self, TypeTrait BTT, const TypeSourceI
     return cast<CXXRecordDecl>(rhsRecord->getDecl())
       ->isDerivedFrom(cast<CXXRecordDecl>(lhsRecord->getDecl()));
   }
+  case BTT_IsVirtualBaseOf: {
+    const RecordType *BaseRecord = LhsT->getAs<RecordType>();
+    const RecordType *DerivedRecord = RhsT->getAs<RecordType>();
+
+    if (!BaseRecord || !DerivedRecord) {
+      DiagnoseVLAInCXXTypeTrait(Self, Lhs,
+                                tok::kw___builtin_is_virtual_base_of);
+      DiagnoseVLAInCXXTypeTrait(Self, Rhs,
+                                tok::kw___builtin_is_virtual_base_of);
+      return false;
+    }
+
+    if (BaseRecord->isUnionType() || DerivedRecord->isUnionType())
+      return false;
+
+    if (!BaseRecord->isStructureOrClassType() ||
+        !DerivedRecord->isStructureOrClassType())
+      return false;
+
+    if (Self.RequireCompleteType(Rhs->getTypeLoc().getBeginLoc(), RhsT,
+                                 diag::err_incomplete_type))
+      return false;
+
+    return cast<CXXRecordDecl>(DerivedRecord->getDecl())
+        ->isVirtuallyDerivedFrom(cast<CXXRecordDecl>(BaseRecord->getDecl()));
+  }
   case BTT_IsSame:
     return Self.Context.hasSameType(LhsT, RhsT);
   case BTT_TypeCompatible: {

diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
@@ -801,7 +801,8 @@ class DSAStackTy {
       return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) ||
              (M == OMPC_DEFAULTMAP_MODIFIER_to) ||
              (M == OMPC_DEFAULTMAP_MODIFIER_from) ||
-             (M == OMPC_DEFAULTMAP_MODIFIER_tofrom);
+             (M == OMPC_DEFAULTMAP_MODIFIER_tofrom) ||
+             (M == OMPC_DEFAULTMAP_MODIFIER_present);
     }
     return true;
   }
@@ -3078,11 +3079,11 @@ ExprResult SemaOpenMP::ActOnOpenMPIdExpression(Scope *CurScope,
     if (TypoCorrection Corrected =
             SemaRef.CorrectTypo(Id, Sema::LookupOrdinaryName, CurScope, nullptr,
                                 CCC, Sema::CTK_ErrorRecovery)) {
-      SemaRef.diagnoseTypo(Corrected,
-                           PDiag(Lookup.empty()
-                                     ? diag::err_undeclared_var_use_suggest
-                                     : diag::err_omp_expected_var_arg_suggest)
-                               << Id.getName());
+      SemaRef.diagnoseTypo(
+          Corrected,
+          SemaRef.PDiag(Lookup.empty() ? diag::err_undeclared_var_use_suggest
+                                       : diag::err_omp_expected_var_arg_suggest)
+              << Id.getName());
       VD = Corrected.getCorrectionDeclAs<VarDecl>();
     } else {
       Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use
@@ -7500,9 +7501,9 @@ SemaOpenMP::checkOpenMPDeclareVariantFunction(SemaOpenMP::DeclGroupPtrTy DG,
                               PartialDiagnostic::NullDiagnostic()),
           PartialDiagnosticAt(
               VariantRef->getExprLoc(),
-              PDiag(diag::err_omp_declare_variant_doesnt_support)),
+              SemaRef.PDiag(diag::err_omp_declare_variant_doesnt_support)),
           PartialDiagnosticAt(VariantRef->getExprLoc(),
-                              PDiag(diag::err_omp_declare_variant_diff)
+                              SemaRef.PDiag(diag::err_omp_declare_variant_diff)
                                   << FD->getLocation()),
           /*TemplatesSupported=*/true, /*ConstexprSupported=*/false,
           /*CLinkageMayDiffer=*/true))
@@ -21892,7 +21893,9 @@ OMPClause *SemaOpenMP::ActOnOpenMPDefaultmapClause(
     bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown) ||
                             (getLangOpts().OpenMP >= 50 && KindLoc.isInvalid());
     if (!isDefaultmapKind || !isDefaultmapModifier) {
-      StringRef KindValue = "'scalar', 'aggregate', 'pointer'";
+      StringRef KindValue = getLangOpts().OpenMP < 52
+                                ? "'scalar', 'aggregate', 'pointer'"
+                                : "'scalar', 'aggregate', 'pointer', 'all'";
       if (getLangOpts().OpenMP == 50) {
         StringRef ModifierValue = "'alloc', 'from', 'to', 'tofrom', "
                                   "'firstprivate', 'none', 'default'";
@@ -21936,7 +21939,7 @@ OMPClause *SemaOpenMP::ActOnOpenMPDefaultmapClause(
       return nullptr;
     }
   }
-  if (Kind == OMPC_DEFAULTMAP_unknown) {
+  if (Kind == OMPC_DEFAULTMAP_unknown || Kind == OMPC_DEFAULTMAP_all) {
     // Variable category is not specified - mark all categories.
     DSAStack->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_aggregate, StartLoc);
     DSAStack->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_scalar, StartLoc);
@@ -22009,7 +22012,7 @@ NamedDecl *SemaOpenMP::lookupOpenMPDeclareTargetName(
             SemaRef.CorrectTypo(Id, Sema::LookupOrdinaryName, CurScope, nullptr,
                                 CCC, Sema::CTK_ErrorRecovery)) {
       SemaRef.diagnoseTypo(Corrected,
-                           PDiag(diag::err_undeclared_var_use_suggest)
+                           SemaRef.PDiag(diag::err_undeclared_var_use_suggest)
                                << Id.getName());
       checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl());
       return nullptr;

diff --git a/clang/lib/Sema/SemaPPC.cpp b/clang/lib/Sema/SemaPPC.cpp
@@ -93,7 +93,6 @@ bool SemaPPC::CheckPPCBuiltinFunctionCall(const TargetInfo &TI,
                                           unsigned BuiltinID,
                                           CallExpr *TheCall) {
   ASTContext &Context = getASTContext();
-  unsigned i = 0, l = 0, u = 0;
   bool IsTarget64Bit = TI.getTypeWidth(TI.getIntPtrType()) == 64;
   llvm::APSInt Result;
 
@@ -248,7 +247,7 @@ bool SemaPPC::CheckPPCBuiltinFunctionCall(const TargetInfo &TI,
     return BuiltinPPCMMACall(TheCall, BuiltinID, Types);
 #include "clang/Basic/BuiltinsPPC.def"
   }
-  return SemaRef.BuiltinConstantArgRange(TheCall, i, l, u);
+  llvm_unreachable("must return from switch");
 }
 
 // Check if the given type is a non-pointer PPC MMA type. This function is used

diff --git a/clang/lib/Sema/SemaTemplateDeduction.cpp b/clang/lib/Sema/SemaTemplateDeduction.cpp
@@ -951,9 +951,11 @@ class PackDeductionScope {
 
     // Skip over the pack elements that were expanded into separate arguments.
     // If we partially expanded, this is the number of partial arguments.
+    // FIXME: `&& FixedNumExpansions` is a workaround for UB described in
+    // https://github.com/llvm/llvm-project/issues/100095
     if (IsPartiallyExpanded)
       PackElements += NumPartialPackArgs;
-    else if (IsExpanded)
+    else if (IsExpanded && FixedNumExpansions)
       PackElements += *FixedNumExpansions;
 
     for (auto &Pack : Packs) {

diff --git a/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp
@@ -21,49 +21,56 @@
 #include "clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
+#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerHelpers.h"
 
 using namespace clang;
 using namespace ento;
 
 namespace {
-class MmapWriteExecChecker : public Checker<check::PreCall> {
+class MmapWriteExecChecker
+    : public Checker<check::ASTDecl<TranslationUnitDecl>, check::PreCall> {
   CallDescription MmapFn{CDM::CLibrary, {"mmap"}, 6};
   CallDescription MprotectFn{CDM::CLibrary, {"mprotect"}, 3};
-  static int ProtWrite;
-  static int ProtExec;
-  static int ProtRead;
   const BugType BT{this, "W^X check fails, Write Exec prot flags set",
                    "Security"};
 
+  // Default values are used if definition of the flags is not found.
+  mutable int ProtRead = 0x01;
+  mutable int ProtWrite = 0x02;
+  mutable int ProtExec = 0x04;
+
 public:
+  void checkASTDecl(const TranslationUnitDecl *TU, AnalysisManager &Mgr,
+                    BugReporter &BR) const;
   void checkPreCall(const CallEvent &Call, CheckerContext &C) const;
-  int ProtExecOv;
-  int ProtReadOv;
 };
 }
 
-int MmapWriteExecChecker::ProtWrite = 0x02;
-int MmapWriteExecChecker::ProtExec  = 0x04;
-int MmapWriteExecChecker::ProtRead  = 0x01;
+void MmapWriteExecChecker::checkASTDecl(const TranslationUnitDecl *TU,
+                                        AnalysisManager &Mgr,
+                                        BugReporter &BR) const {
+  Preprocessor &PP = Mgr.getPreprocessor();
+  const std::optional<int> FoundProtRead = tryExpandAsInteger("PROT_READ", PP);
+  const std::optional<int> FoundProtWrite =
+      tryExpandAsInteger("PROT_WRITE", PP);
+  const std::optional<int> FoundProtExec = tryExpandAsInteger("PROT_EXEC", PP);
+  if (FoundProtRead && FoundProtWrite && FoundProtExec) {
+    ProtRead = *FoundProtRead;
+    ProtWrite = *FoundProtWrite;
+    ProtExec = *FoundProtExec;
+  }
+}
 
 void MmapWriteExecChecker::checkPreCall(const CallEvent &Call,
-                                         CheckerContext &C) const {
+                                        CheckerContext &C) const {
   if (matchesAny(Call, MmapFn, MprotectFn)) {
     SVal ProtVal = Call.getArgSVal(2);
     auto ProtLoc = ProtVal.getAs<nonloc::ConcreteInt>();
     if (!ProtLoc)
       return;
     int64_t Prot = ProtLoc->getValue().getSExtValue();
-    if (ProtExecOv != ProtExec)
-      ProtExec = ProtExecOv;
-    if (ProtReadOv != ProtRead)
-      ProtRead = ProtReadOv;
-
-    // Wrong settings
-    if (ProtRead == ProtExec)
-      return;
 
-    if ((Prot & (ProtWrite | ProtExec)) == (ProtWrite | ProtExec)) {
+    if ((Prot & ProtWrite) && (Prot & ProtExec)) {
       ExplodedNode *N = C.generateNonFatalErrorNode();
       if (!N)
         return;
@@ -80,17 +87,10 @@ void MmapWriteExecChecker::checkPreCall(const CallEvent &Call,
   }
 }
 
-void ento::registerMmapWriteExecChecker(CheckerManager &mgr) {
-  MmapWriteExecChecker *Mwec =
-      mgr.registerChecker<MmapWriteExecChecker>();
-  Mwec->ProtExecOv =
-    mgr.getAnalyzerOptions()
-      .getCheckerIntegerOption(Mwec, "MmapProtExec");
-  Mwec->ProtReadOv =
-    mgr.getAnalyzerOptions()
-      .getCheckerIntegerOption(Mwec, "MmapProtRead");
+void ento::registerMmapWriteExecChecker(CheckerManager &Mgr) {
+  Mgr.registerChecker<MmapWriteExecChecker>();
 }
 
-bool ento::shouldRegisterMmapWriteExecChecker(const CheckerManager &mgr) {
+bool ento::shouldRegisterMmapWriteExecChecker(const CheckerManager &) {
   return true;
 }
diff --git a/clang/test/AST/Interp/builtin-constant-p.cpp b/clang/test/AST/Interp/builtin-constant-p.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify=expected,both %s
+// RUN: %clang_cc1 -verify=ref,both %s
+
+
+static_assert(__builtin_constant_p(12), "");
+static_assert(__builtin_constant_p(1.0), "");
+
+constexpr int I = 100;
+static_assert(__builtin_constant_p(I), "");
+static_assert(__builtin_constant_p(I + 10), "");
+static_assert(__builtin_constant_p(I + 10.0), "");
+static_assert(__builtin_constant_p(nullptr), "");
+static_assert(__builtin_constant_p(&I), ""); // both-error {{failed due to requirement}}
+static_assert(__builtin_constant_p((void)I), ""); // both-error {{failed due to requirement}}
diff --git a/clang/test/AST/Interp/builtins.cpp b/clang/test/AST/Interp/builtins.cpp
@@ -31,3 +31,8 @@ constexpr bool assume() {
   return true;
 }
 static_assert(assume(), "");
+
+void test_builtin_os_log(void *buf, int i, const char *data) {
+  constexpr int len = __builtin_os_log_format_buffer_size("%d %{public}s %{private}.16P", i, data, data);
+  static_assert(len > 0, "Expect len > 0");
+}
diff --git a/clang/test/Analysis/analyzer-config.c b/clang/test/Analysis/analyzer-config.c
@@ -9,8 +9,6 @@
 // CHECK-NEXT: alpha.clone.CloneChecker:ReportNormalClones = true
 // CHECK-NEXT: alpha.cplusplus.STLAlgorithmModeling:AggressiveStdFindModeling = false
 // CHECK-NEXT: alpha.osx.cocoa.DirectIvarAssignment:AnnotatedFunctions = false
-// CHECK-NEXT: alpha.security.MmapWriteExec:MmapProtExec = 0x04
-// CHECK-NEXT: alpha.security.MmapWriteExec:MmapProtRead = 0x01
 // CHECK-NEXT: alpha.security.taint.TaintPropagation:Config = ""
 // CHECK-NEXT: apply-fixits = false
 // CHECK-NEXT: assume-controlled-environment = false

diff --git a/clang/test/Analysis/mmap-writeexec.c b/clang/test/Analysis/mmap-writeexec.c
@@ -1,13 +1,14 @@
-// RUN: %clang_analyze_cc1 -triple i686-unknown-linux -analyzer-checker=alpha.security.MmapWriteExec -analyzer-config alpha.security.MmapWriteExec:MmapProtExec=1 -analyzer-config alpha.security.MmapWriteExec:MmapProtRead=4 -DUSE_ALTERNATIVE_PROT_EXEC_DEFINITION -verify %s
+// RUN: %clang_analyze_cc1 -triple i686-unknown-linux -analyzer-checker=alpha.security.MmapWriteExec -DUSE_ALTERNATIVE_PROT_EXEC_DEFINITION -verify %s
 // RUN: %clang_analyze_cc1 -triple x86_64-unknown-apple-darwin10 -analyzer-checker=alpha.security.MmapWriteExec -verify %s
 
-#define PROT_WRITE  0x02
 #ifndef USE_ALTERNATIVE_PROT_EXEC_DEFINITION
-#define PROT_EXEC   0x04
-#define PROT_READ   0x01
-#else
 #define PROT_EXEC   0x01
+#define PROT_WRITE  0x02
 #define PROT_READ   0x04
+#else
+#define PROT_EXEC   0x08
+#define PROT_WRITE  0x04
+#define PROT_READ   0x02
 #endif
 #define MAP_PRIVATE 0x0002
 #define MAP_ANON    0x1000

diff --git a/clang/test/CodeGen/AMDGPU/amdgpu-atomic-float.c b/clang/test/CodeGen/AMDGPU/amdgpu-atomic-float.c
diff --git a/clang/test/CodeGen/aarch64-fmv-streaming.c b/clang/test/CodeGen/aarch64-fmv-streaming.c
@@ -0,0 +1,107 @@
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sme -emit-llvm -o - %s | FileCheck %s
+
+
+// CHECK-LABEL: define {{[^@]+}}@n_callee._Msve
+// CHECK-SAME: () #[[ATTR0:[0-9]+]] {
+//
+// CHECK-LABEL: define {{[^@]+}}@n_callee._Msimd
+// CHECK-SAME: () #[[ATTR1:[0-9]+]] {
+//
+__arm_locally_streaming __attribute__((target_clones("sve", "simd"))) void n_callee(void) {}
+// CHECK-LABEL: define {{[^@]+}}@n_callee._Msme2
+// CHECK-SAME: () #[[ATTR2:[0-9]+]] {
+//
+__attribute__((target_version("sme2"))) void n_callee(void) {}
+// CHECK-LABEL: define {{[^@]+}}@n_callee.default
+// CHECK-SAME: () #[[ATTR3:[0-9]+]] {
+//
+__attribute__((target_version("default"))) void n_callee(void) {}
+
+
+// CHECK-LABEL: define {{[^@]+}}@s_callee._Msve
+// CHECK-SAME: () #[[ATTR4:[0-9]+]] {
+//
+// CHECK-LABEL: define {{[^@]+}}@s_callee._Msimd
+// CHECK-SAME: () #[[ATTR5:[0-9]+]] {
+//
+__attribute__((target_clones("sve", "simd"))) void s_callee(void) __arm_streaming {}
+// CHECK-LABEL: define {{[^@]+}}@s_callee._Msme2
+// CHECK-SAME: () #[[ATTR6:[0-9]+]] {
+//
+__arm_locally_streaming __attribute__((target_version("sme2"))) void s_callee(void) __arm_streaming {}
+// CHECK-LABEL: define {{[^@]+}}@s_callee.default
+// CHECK-SAME: () #[[ATTR7:[0-9]+]] {
+//
+__attribute__((target_version("default"))) void s_callee(void) __arm_streaming {}
+
+
+// CHECK-LABEL: define {{[^@]+}}@sc_callee._Msve
+// CHECK-SAME: () #[[ATTR8:[0-9]+]] {
+//
+// CHECK-LABEL: define {{[^@]+}}@sc_callee._Msimd
+// CHECK-SAME: () #[[ATTR9:[0-9]+]] {
+//
+__attribute__((target_clones("sve", "simd"))) void sc_callee(void) __arm_streaming_compatible {}
+// CHECK-LABEL: define {{[^@]+}}@sc_callee._Msme2
+// CHECK-SAME: () #[[ATTR10:[0-9]+]] {
+//
+__arm_locally_streaming __attribute__((target_version("sme2"))) void sc_callee(void) __arm_streaming_compatible {}
+// CHECK-LABEL: define {{[^@]+}}@sc_callee.default
+// CHECK-SAME: () #[[ATTR11:[0-9]+]] {
+//
+__attribute__((target_version("default"))) void sc_callee(void) __arm_streaming_compatible {}
+
+
+// CHECK-LABEL: define {{[^@]+}}@n_caller
+// CHECK-SAME: () #[[ATTR3:[0-9]+]] {
+// CHECK:    call void @n_callee()
+// CHECK:    call void @s_callee() #[[ATTR12:[0-9]+]]
+// CHECK:    call void @sc_callee() #[[ATTR13:[0-9]+]]
+//
+void n_caller(void) {
+  n_callee();
+  s_callee();
+  sc_callee();
+}
+
+
+// CHECK-LABEL: define {{[^@]+}}@s_caller
+// CHECK-SAME: () #[[ATTR7:[0-9]+]] {
+// CHECK:    call void @n_callee()
+// CHECK:    call void @s_callee() #[[ATTR12]]
+// CHECK:    call void @sc_callee() #[[ATTR13]]
+//
+void s_caller(void) __arm_streaming {
+  n_callee();
+  s_callee();
+  sc_callee();
+}
+
+
+// CHECK-LABEL: define {{[^@]+}}@sc_caller
+// CHECK-SAME: () #[[ATTR11:[0-9]+]] {
+// CHECK:    call void @n_callee()
+// CHECK:    call void @s_callee() #[[ATTR12]]
+// CHECK:    call void @sc_callee() #[[ATTR13]]
+//
+void sc_caller(void) __arm_streaming_compatible {
+  n_callee();
+  s_callee();
+  sc_callee();
+}
+
+
+// CHECK: attributes #[[ATTR0:[0-9]+]] = {{.*}} "aarch64_pstate_sm_body"
+// CHECK: attributes #[[ATTR1:[0-9]+]] = {{.*}} "aarch64_pstate_sm_body"
+// CHECK: attributes #[[ATTR2:[0-9]+]] = {{.*}}
+// CHECK: attributes #[[ATTR3]] = {{.*}}
+// CHECK: attributes #[[ATTR4:[0-9]+]] = {{.*}} "aarch64_pstate_sm_enabled"
+// CHECK: attributes #[[ATTR5:[0-9]+]] = {{.*}} "aarch64_pstate_sm_enabled"
+// CHECK: attributes #[[ATTR6:[0-9]+]] = {{.*}} "aarch64_pstate_sm_body" "aarch64_pstate_sm_enabled"
+// CHECK: attributes #[[ATTR7]] = {{.*}} "aarch64_pstate_sm_enabled"
+// CHECK: attributes #[[ATTR8:[0-9]+]] = {{.*}} "aarch64_pstate_sm_compatible"
+// CHECK: attributes #[[ATTR9:[0-9]+]] = {{.*}} "aarch64_pstate_sm_compatible"
+// CHECK: attributes #[[ATTR10]] = {{.*}} "aarch64_pstate_sm_body" "aarch64_pstate_sm_compatible"
+// CHECK: attributes #[[ATTR11]] = {{.*}} "aarch64_pstate_sm_compatible"
+// CHECK: attributes #[[ATTR12]] = {{.*}} "aarch64_pstate_sm_enabled"
+// CHECK: attributes #[[ATTR13]] = {{.*}} "aarch64_pstate_sm_compatible"
diff --git a/clang/test/CodeGen/finite-math.c b/clang/test/CodeGen/finite-math.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -ffinite-math-only -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=FINITE
+// RUN: %clang_cc1 -menable-no-infs -menable-no-nans -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=FINITE
 // RUN: %clang_cc1 -fno-signed-zeros -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK  -check-prefix=NSZ
 // RUN: %clang_cc1 -freciprocal-math -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK  -check-prefix=RECIP
 // RUN: %clang_cc1 -mreassociate -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK  -check-prefix=REASSOC

diff --git a/clang/test/CodeGen/fp-floatcontrol-stack.cpp b/clang/test/CodeGen/fp-floatcontrol-stack.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -ffp-contract=on -DDEFAULT=1 -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-DDEFAULT %s
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -ffp-contract=on -DEBSTRICT=1 -ffp-exception-behavior=strict -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-DEBSTRICT %s
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -DFAST=1 -ffast-math -ffp-contract=fast -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-FAST %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -ffp-contract=on -DNOHONOR=1 -menable-no-infs -menable-no-nans -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-NOHONOR %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -ffp-contract=on -DNOHONOR=1 -ffinite-math-only -menable-no-infs -menable-no-nans -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-NOHONOR %s
 
 #define FUN(n) \
   (float z) { return n * z + n; }

diff --git a/clang/test/CodeGen/fp-options-to-fast-math-flags.c b/clang/test/CodeGen/fp-options-to-fast-math-flags.c
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck -check-prefix CHECK-PRECISE %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -menable-no-nans -emit-llvm -o - %s | FileCheck -check-prefix CHECK-NO-NANS %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -menable-no-infs -emit-llvm -o - %s | FileCheck -check-prefix CHECK-NO-INFS %s
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -ffinite-math-only -emit-llvm -o - %s | FileCheck -check-prefix CHECK-FINITE %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -menable-no-infs -menable-no-nans -emit-llvm -o - %s | FileCheck -check-prefix CHECK-FINITE %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fno-signed-zeros -emit-llvm -o - %s | FileCheck -check-prefix CHECK-NO-SIGNED-ZEROS %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -mreassociate -emit-llvm -o - %s | FileCheck -check-prefix CHECK-REASSOC %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -freciprocal-math -emit-llvm -o - %s | FileCheck -check-prefix CHECK-RECIP %s

diff --git a/clang/test/CodeGen/nofpclass.c b/clang/test/CodeGen/nofpclass.c
@@ -1,7 +1,7 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-attributes --version 2
 // REQUIRES: x86-registered-target
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +avx -fenable-matrix -ffinite-math-only -emit-llvm -o - %s | FileCheck -check-prefixes=CFINITEONLY %s
-// RUN: %clang_cc1 -x cl -triple x86_64-unknown-unknown -target-feature +avx -fenable-matrix -cl-finite-math-only -emit-llvm -o - %s | FileCheck -check-prefixes=CLFINITEONLY %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +avx -fenable-matrix -menable-no-infs -menable-no-nans -emit-llvm -o - %s | FileCheck -check-prefixes=CFINITEONLY %s
+// RUN: %clang_cc1 -x cl -triple x86_64-unknown-unknown -target-feature +avx -fenable-matrix -menable-no-nans -menable-no-infs -emit-llvm -o - %s | FileCheck -check-prefixes=CLFINITEONLY %s
 
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +avx -fenable-matrix -menable-no-nans -emit-llvm -o - %s | FileCheck -check-prefixes=NONANS %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +avx -fenable-matrix -menable-no-infs -emit-llvm -o - %s | FileCheck -check-prefixes=NOINFS %s

diff --git a/clang/test/CodeGenCUDA/amdgpu-atomic-ops.cu b/clang/test/CodeGenCUDA/amdgpu-atomic-ops.cu
@@ -1,6 +1,10 @@
 // RUN: %clang_cc1 -x hip %s -emit-llvm -o - -triple=amdgcn-amd-amdhsa \
 // RUN:   -fcuda-is-device -target-cpu gfx906 -fnative-half-type \
-// RUN:   -fnative-half-arguments-and-returns | FileCheck %s
+// RUN:   -fnative-half-arguments-and-returns | FileCheck -check-prefixes=CHECK,SAFEIR %s
+
+// RUN: %clang_cc1 -x hip %s -emit-llvm -o - -triple=amdgcn-amd-amdhsa \
+// RUN:   -fcuda-is-device -target-cpu gfx906 -fnative-half-type \
+// RUN:   -fnative-half-arguments-and-returns -munsafe-fp-atomics | FileCheck -check-prefixes=CHECK,UNSAFEIR %s
 
 // RUN: %clang_cc1 -x hip %s -O3 -S -o - -triple=amdgcn-amd-amdhsa \
 // RUN:   -fcuda-is-device -target-cpu gfx1100 -fnative-half-type \
@@ -18,24 +22,38 @@
 
 __global__ void ffp1(float *p) {
   // CHECK-LABEL: @_Z4ffp1Pf
-  // CHECK: atomicrmw fadd ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic
+  // SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 4{{$}}
+  // SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 4{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 4{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 4{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 4{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 4{{$}}
+
+  // UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 4, !amdgpu.no.fine.grained.memory !{{[0-9]+}}, !amdgpu.ignore.denormal.mode !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 4, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 4, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 4, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 4, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 4, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
   // SAFE: _Z4ffp1Pf
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
+  // SAFE: global_atomic_cmpswap
+
   // UNSAFE: _Z4ffp1Pf
   // UNSAFE: global_atomic_add_f32
   // UNSAFE: global_atomic_cmpswap
   // UNSAFE: global_atomic_cmpswap
   // UNSAFE: global_atomic_cmpswap
   // UNSAFE: global_atomic_cmpswap
+  // UNSAFE: global_atomic_cmpswap
+
   __atomic_fetch_add(p, 1.0f, memory_order_relaxed);
+  __atomic_fetch_sub(p, 1.0f, memory_order_relaxed);
   __atomic_fetch_max(p, 1.0f, memory_order_relaxed);
   __atomic_fetch_min(p, 1.0f, memory_order_relaxed);
   __hip_atomic_fetch_max(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
@@ -44,23 +62,36 @@ __global__ void ffp1(float *p) {
 
 __global__ void ffp2(double *p) {
   // CHECK-LABEL: @_Z4ffp2Pd
-  // CHECK: atomicrmw fsub ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic
+  // SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 8{{$}}
+
+  // UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
   // SAFE-LABEL: @_Z4ffp2Pd
   // SAFE: global_atomic_cmpswap_b64
   // SAFE: global_atomic_cmpswap_b64
   // SAFE: global_atomic_cmpswap_b64
   // SAFE: global_atomic_cmpswap_b64
   // SAFE: global_atomic_cmpswap_b64
+  // SAFE: global_atomic_cmpswap_b64
+
   // UNSAFE-LABEL: @_Z4ffp2Pd
+  // UNSAFE: global_atomic_add_f64
   // UNSAFE: global_atomic_cmpswap_x2
   // UNSAFE: global_atomic_cmpswap_x2
   // UNSAFE: global_atomic_cmpswap_x2
   // UNSAFE: global_atomic_max_f64
   // UNSAFE: global_atomic_min_f64
+  __atomic_fetch_add(p, 1.0, memory_order_relaxed);
   __atomic_fetch_sub(p, 1.0, memory_order_relaxed);
   __atomic_fetch_max(p, 1.0, memory_order_relaxed);
   __atomic_fetch_min(p, 1.0, memory_order_relaxed);
@@ -71,11 +102,20 @@ __global__ void ffp2(double *p) {
 // long double is the same as double for amdgcn.
 __global__ void ffp3(long double *p) {
   // CHECK-LABEL: @_Z4ffp3Pe
-  // CHECK: atomicrmw fsub ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic
+  // SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 8{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 8{{$}}
+
+  // UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
   // SAFE-LABEL: @_Z4ffp3Pe
   // SAFE: global_atomic_cmpswap_b64
   // SAFE: global_atomic_cmpswap_b64
@@ -88,6 +128,7 @@ __global__ void ffp3(long double *p) {
   // UNSAFE: global_atomic_cmpswap_x2
   // UNSAFE: global_atomic_max_f64
   // UNSAFE: global_atomic_min_f64
+  __atomic_fetch_add(p, 1.0L, memory_order_relaxed);
   __atomic_fetch_sub(p, 1.0L, memory_order_relaxed);
   __atomic_fetch_max(p, 1.0L, memory_order_relaxed);
   __atomic_fetch_min(p, 1.0L, memory_order_relaxed);
@@ -98,37 +139,52 @@ __global__ void ffp3(long double *p) {
 __device__ double ffp4(double *p, float f) {
   // CHECK-LABEL: @_Z4ffp4Pdf
   // CHECK: fpext float {{.*}} to double
-  // CHECK: atomicrmw fsub ptr {{.*}} monotonic
+  // SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8{{$}}
+  // UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
   return __atomic_fetch_sub(p, f, memory_order_relaxed);
 }
 
 __device__ double ffp5(double *p, int i) {
   // CHECK-LABEL: @_Z4ffp5Pdi
   // CHECK: sitofp i32 {{.*}} to double
-  // CHECK: atomicrmw fsub ptr {{.*}} monotonic
+  // SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8{{$}}
+  // UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
   return __atomic_fetch_sub(p, i, memory_order_relaxed);
 }
 
 __global__ void ffp6(_Float16 *p) {
   // CHECK-LABEL: @_Z4ffp6PDF16
-  // CHECK: atomicrmw fadd ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} monotonic
-  // CHECK: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic
-  // CHECK: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic
+  // SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 2{{$}}
+  // SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 2{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 2{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 2{{$}}
+  // SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 2{{$}}
+  // SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 2{{$}}
+
+  // UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 2, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 2, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 2, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 2, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent-one-as") monotonic, align 2, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+  // UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup-one-as") monotonic, align 2, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
   // SAFE: _Z4ffp6PDF16
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
   // SAFE: global_atomic_cmpswap
+  // SAFE: global_atomic_cmpswap
+
   // UNSAFE: _Z4ffp6PDF16
   // UNSAFE: global_atomic_cmpswap
   // UNSAFE: global_atomic_cmpswap
   // UNSAFE: global_atomic_cmpswap
   // UNSAFE: global_atomic_cmpswap
   // UNSAFE: global_atomic_cmpswap
+  // UNSAFE: global_atomic_cmpswap
   __atomic_fetch_add(p, 1.0, memory_order_relaxed);
+  __atomic_fetch_sub(p, 1.0, memory_order_relaxed);
   __atomic_fetch_max(p, 1.0, memory_order_relaxed);
   __atomic_fetch_min(p, 1.0, memory_order_relaxed);
   __hip_atomic_fetch_max(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);

diff --git a/clang/test/CodeGenOpenCL/builtins-alloca.cl b/clang/test/CodeGenOpenCL/builtins-alloca.cl
@@ -0,0 +1,141 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa -cl-std=CL1.2 \
+// RUN:     -emit-llvm -o - | FileCheck --check-prefixes=OPENCL %s
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa -cl-std=CL2.0 \
+// RUN:     -emit-llvm -o - | FileCheck --check-prefixes=OPENCL %s
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa -cl-std=CL3.0 \
+// RUN:     -emit-llvm -o - | FileCheck --check-prefixes=OPENCL %s
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa -cl-std=CL3.0 -cl-ext=+__opencl_c_generic_address_space \
+// RUN:     -emit-llvm -o - | FileCheck --check-prefixes=OPENCL %s
+
+// OPENCL-LABEL: define dso_local void @test1_builtin_alloca(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0:[0-9]+]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[MUL:%.*]] = mul i64 [[CONV]], 4
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[MUL]], align 8, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test1_builtin_alloca(unsigned n) {
+    __private float* alloc_ptr = (__private float*)__builtin_alloca(n*sizeof(int));
+}
+
+// OPENCL-LABEL: define dso_local void @test1_builtin_alloca_uninitialized(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR_UNINITIALIZED:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[MUL:%.*]] = mul i64 [[CONV]], 4
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[MUL]], align 8, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR_UNINITIALIZED]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test1_builtin_alloca_uninitialized(unsigned n) {
+    __private float* alloc_ptr_uninitialized = (__private float*)__builtin_alloca_uninitialized(n*sizeof(int));
+}
+
+// OPENCL-LABEL: define dso_local void @test1_builtin_alloca_with_align(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR_ALIGN:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[MUL:%.*]] = mul i64 [[CONV]], 4
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[MUL]], align 1, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR_ALIGN]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test1_builtin_alloca_with_align(unsigned n) {
+    __private float* alloc_ptr_align = (__private float*)__builtin_alloca_with_align((n*sizeof(int)), 8);
+}
+
+// OPENCL-LABEL: define dso_local void @test1_builtin_alloca_with_align_uninitialized(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR_ALIGN_UNINITIALIZED:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[MUL:%.*]] = mul i64 [[CONV]], 4
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[MUL]], align 1, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR_ALIGN_UNINITIALIZED]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test1_builtin_alloca_with_align_uninitialized(unsigned n) {
+    __private float* alloc_ptr_align_uninitialized = (__private float*)__builtin_alloca_with_align_uninitialized((n*sizeof(int)), 8);
+}
+
+// OPENCL-LABEL: define dso_local void @test2_builtin_alloca(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[CONV]], align 8, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test2_builtin_alloca(unsigned n) {
+    __private void *alloc_ptr = __builtin_alloca(n);
+}
+
+// OPENCL-LABEL: define dso_local void @test2_builtin_alloca_uninitialized(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR_UNINITIALIZED:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[CONV]], align 8, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR_UNINITIALIZED]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test2_builtin_alloca_uninitialized(unsigned n) {
+    __private void *alloc_ptr_uninitialized = __builtin_alloca_uninitialized(n);
+}
+
+// OPENCL-LABEL: define dso_local void @test2_builtin_alloca_with_align(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR_ALIGN:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[CONV]], align 1, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR_ALIGN]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test2_builtin_alloca_with_align(unsigned n) {
+    __private void *alloc_ptr_align = __builtin_alloca_with_align(n, 8);
+}
+
+// OPENCL-LABEL: define dso_local void @test2_builtin_alloca_with_align_uninitialized(
+// OPENCL-SAME: i32 noundef [[N:%.*]]) #[[ATTR0]] {
+// OPENCL-NEXT:  [[ENTRY:.*:]]
+// OPENCL-NEXT:    [[N_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// OPENCL-NEXT:    [[ALLOC_PTR_ALIGN_UNINITIALIZED:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
+// OPENCL-NEXT:    store i32 [[N]], ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(5) [[N_ADDR]], align 4
+// OPENCL-NEXT:    [[CONV:%.*]] = zext i32 [[TMP0]] to i64
+// OPENCL-NEXT:    [[TMP1:%.*]] = alloca i8, i64 [[CONV]], align 1, addrspace(5)
+// OPENCL-NEXT:    store ptr addrspace(5) [[TMP1]], ptr addrspace(5) [[ALLOC_PTR_ALIGN_UNINITIALIZED]], align 4
+// OPENCL-NEXT:    ret void
+//
+void test2_builtin_alloca_with_align_uninitialized(unsigned n) {
+    __private void *alloc_ptr_align_uninitialized = __builtin_alloca_with_align_uninitialized(n, 8);
+}
diff --git a/clang/test/CodeGenOpenCL/relaxed-fpmath.cl b/clang/test/CodeGenOpenCL/relaxed-fpmath.cl
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s -check-prefix=NORMAL
 // RUN: %clang_cc1 %s -emit-llvm -cl-fast-relaxed-math -o - | FileCheck %s -check-prefix=FAST
-// RUN: %clang_cc1 %s -emit-llvm -cl-finite-math-only -o - | FileCheck %s -check-prefix=FINITE
+// RUN: %clang_cc1 %s -emit-llvm -menable-no-infs -menable-no-nans -cl-finite-math-only -o - | FileCheck %s -check-prefix=FINITE
 // RUN: %clang_cc1 %s -emit-llvm -cl-unsafe-math-optimizations -o - | FileCheck %s -check-prefix=UNSAFE
 // RUN: %clang_cc1 %s -emit-llvm -cl-mad-enable -o - | FileCheck %s -check-prefix=MAD
 // RUN: %clang_cc1 %s -emit-llvm -cl-no-signed-zeros -o - | FileCheck %s -check-prefix=NOSIGNED
@@ -9,7 +9,7 @@
 // RUN: %clang_cc1 %s -DGEN_PCH=1 -finclude-default-header -triple spir-unknown-unknown -emit-pch -o %t.pch
 // RUN: %clang_cc1 %s -include-pch %t.pch -fno-validate-pch -emit-llvm -o - | FileCheck %s -check-prefix=NORMAL
 // RUN: %clang_cc1 %s -include-pch %t.pch -fno-validate-pch -emit-llvm -cl-fast-relaxed-math -o - | FileCheck %s -check-prefix=FAST
-// RUN: %clang_cc1 %s -include-pch %t.pch -fno-validate-pch -emit-llvm -cl-finite-math-only -o - | FileCheck %s -check-prefix=FINITE
+// RUN: %clang_cc1 %s -include-pch %t.pch -fno-validate-pch -emit-llvm -menable-no-infs -menable-no-nans -cl-finite-math-only -o - | FileCheck %s -check-prefix=FINITE
 // RUN: %clang_cc1 %s -include-pch %t.pch -fno-validate-pch -emit-llvm -cl-unsafe-math-optimizations -o - | FileCheck %s -check-prefix=UNSAFE
 // RUN: %clang_cc1 %s -include-pch %t.pch -fno-validate-pch -emit-llvm -cl-mad-enable -o - | FileCheck %s -check-prefix=MAD
 // RUN: %clang_cc1 %s -include-pch %t.pch -fno-validate-pch -emit-llvm -cl-no-signed-zeros -o - | FileCheck %s -check-prefix=NOSIGNED

diff --git a/clang/test/Driver/aarch64-ptrauth.c b/clang/test/Driver/aarch64-ptrauth.c
@@ -49,14 +49,14 @@
 // ERR1-NEXT: error: unsupported option '-fptrauth-init-fini' for target '{{.*}}'
 
 //// Only support PAuth ABI for Linux as for now.
-// RUN: not %clang -c --target=aarch64-unknown -mabi=pauthtest %s 2>&1 | FileCheck %s --check-prefix=ERR2
-// RUN: not %clang -c --target=aarch64-unknown-pauthtest       %s 2>&1 | FileCheck %s --check-prefix=ERR2
+// RUN: not %clang -o /dev/null -c --target=aarch64-unknown -mabi=pauthtest %s 2>&1 | FileCheck %s --check-prefix=ERR2
+// RUN: not %clang -o /dev/null -c --target=aarch64-unknown-pauthtest       %s 2>&1 | FileCheck %s --check-prefix=ERR2
 // ERR2: error: ABI 'pauthtest' is not supported for 'aarch64-unknown-unknown-pauthtest'
 
 //// PAuth ABI is encoded as environment part of the triple, so don't allow to explicitly set other environments.
-// RUN: not %clang -c --target=aarch64-linux-gnu -mabi=pauthtest %s 2>&1 | FileCheck %s --check-prefix=ERR3
+// RUN: not %clang -### -c --target=aarch64-linux-gnu -mabi=pauthtest %s 2>&1 | FileCheck %s --check-prefix=ERR3
 // ERR3: error: unsupported option '-mabi=pauthtest' for target 'aarch64-unknown-linux-gnu'
-// RUN: %clang -c --target=aarch64-linux-pauthtest -mabi=pauthtest %s
+// RUN: %clang -### -c --target=aarch64-linux-pauthtest -mabi=pauthtest %s
 
 //// The only branch protection option compatible with PAuthABI is BTI.
 // RUN: not %clang -### -c --target=aarch64-linux -mabi=pauthtest -mbranch-protection=pac-ret %s 2>&1 | \

diff --git a/clang/test/Driver/amdgpu-toolchain.c b/clang/test/Driver/amdgpu-toolchain.c
@@ -28,3 +28,7 @@
 // RUN: %clang -### --target=amdgcn-amd-amdhsa -mcpu=gfx906 -nogpulib \
 // RUN:   -fuse-ld=ld %s 2>&1 | FileCheck -check-prefixes=LD %s
 // LD: ld.lld
+
+// RUN: %clang -### --target=amdgcn-amd-amdhsa -mcpu=gfx906 -nogpulib \
+// RUN:   -r %s 2>&1 | FileCheck -check-prefixes=RELO %s
+// RELO-NOT: -shared
diff --git a/clang/test/Driver/cuda-cross-compiling.c b/clang/test/Driver/cuda-cross-compiling.c
@@ -90,3 +90,11 @@
 // RUN:   | FileCheck -check-prefix=GENERIC %s
 
 // GENERIC-NOT: -cc1" "-triple" "nvptx64-nvidia-cuda" {{.*}} "-target-cpu"
+
+//
+// Test forwarding the necessary +ptx feature.
+//
+// RUN: %clang -target nvptx64-nvidia-cuda --cuda-feature=+ptx63 -march=sm_52 -### %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=FEATURE %s
+
+// FEATURE: clang-nvlink-wrapper{{.*}}"--feature" "+ptx63"
diff --git a/clang/test/Driver/opencl.cl b/clang/test/Driver/opencl.cl
@@ -35,7 +35,7 @@
 // CHECK-OPT-DISABLE: "-cc1" {{.*}} "-cl-opt-disable"
 // CHECK-STRICT-ALIASING: "-cc1" {{.*}} "-cl-strict-aliasing"
 // CHECK-SINGLE-PRECISION-CONST: "-cc1" {{.*}} "-cl-single-precision-constant"
-// CHECK-FINITE-MATH-ONLY: "-cc1" {{.*}} "-cl-finite-math-only"
+// CHECK-FINITE-MATH-ONLY: "-cc1" {{.*}} "-menable-no-infs" "-menable-no-nans" "-cl-finite-math-only"
 // CHECK-KERNEL-ARG-INFO: "-cc1" {{.*}} "-cl-kernel-arg-info"
 // CHECK-UNSAFE-MATH-OPT: "-cc1" {{.*}} "-cl-unsafe-math-optimizations"
 // CHECK-FAST-RELAXED-MATH: "-cc1" {{.*}} "-cl-fast-relaxed-math"

diff --git a/clang/test/Driver/stack-size-section.c b/clang/test/Driver/stack-size-section.c
@@ -14,6 +14,7 @@
 
 // RUN: %clang -### --target=x86_64-linux-gnu -flto -fstack-size-section %s 2>&1 | FileCheck %s --check-prefix=LTO
 // RUN: %clang -### --target=x86_64-linux-gnu -flto -fstack-size-section -fno-stack-size-section %s 2>&1 | FileCheck %s --check-prefix=LTO-NO
+// RUN: %clang -### --target=x86_64-sie-ps5 -fstack-size-section %s 2>&1 | FileCheck %s --check-prefix=LTO
 
 // LTO: "-plugin-opt=-stack-size-section"
 // LTO-NO-NOT: "-plugin-opt=-stack-size-section"

diff --git a/clang/test/Headers/__clang_hip_cmath.hip b/clang/test/Headers/__clang_hip_cmath.hip
@@ -13,7 +13,8 @@
 // RUN:   -internal-isystem %S/../../lib/Headers/cuda_wrappers \
 // RUN:   -internal-isystem %S/Inputs/include \
 // RUN:   -triple amdgcn-amd-amdhsa -aux-triple x86_64-unknown-unknown \
-// RUN:   -target-cpu gfx906 -emit-llvm %s -fcuda-is-device -O1 -ffinite-math-only -o - \
+// RUN:   -target-cpu gfx906 -emit-llvm %s -fcuda-is-device -O1 -menable-no-infs \
+// RUN:   -menable-no-nans -o - \
 // RUN:   -D__HIPCC_RTC__ | FileCheck -check-prefix=FINITEONLY %s
 
 // DEFAULT-LABEL: @test_fma_f16(

diff --git a/clang/test/Headers/__clang_hip_math.hip b/clang/test/Headers/__clang_hip_math.hip
@@ -14,7 +14,8 @@
 // RUN:   -internal-isystem %S/../../lib/Headers/cuda_wrappers \
 // RUN:   -internal-isystem %S/Inputs/include \
 // RUN:   -triple amdgcn-amd-amdhsa -aux-triple x86_64-unknown-unknown \
-// RUN:   -target-cpu gfx906 -emit-llvm %s -fcuda-is-device -O1 -ffinite-math-only -o - \
+// RUN:   -target-cpu gfx906 -emit-llvm %s -fcuda-is-device -O1 -menable-no-infs \
+// RUN:   -menable-no-nans -o - \
 // RUN:   -D__HIPCC_RTC__ | FileCheck -check-prefixes=CHECK,FINITEONLY %s
 
 // Check that we end up with -fapprox-func set on intrinsic calls

diff --git a/clang/test/Headers/float.c b/clang/test/Headers/float.c
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fsyntax-only -verify -std=c99 -ffreestanding %s
 // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -ffreestanding %s
 // RUN: %clang_cc1 -fsyntax-only -verify -std=c23 -ffreestanding %s
-// RUN: %clang_cc1 -fsyntax-only -verify=finite -std=c23 -ffreestanding -ffinite-math-only %s
+// RUN: %clang_cc1 -fsyntax-only -verify=finite -std=c23 -ffreestanding -menable-no-nans -menable-no-infs %s
 // RUN: %clang_cc1 -fsyntax-only -verify -xc++ -std=c++11 -ffreestanding %s
 // RUN: %clang_cc1 -fsyntax-only -verify -xc++ -std=c++14 -ffreestanding %s
 // RUN: %clang_cc1 -fsyntax-only -verify -xc++ -std=c++17 -ffreestanding %s
@@ -223,8 +223,9 @@
   #ifndef NAN
     #error "Mandatory macro NAN is missing."
   #endif
-  // FIXME: the NAN diagnostic should only be issued once, not twice.
-  _Static_assert(_Generic(INFINITY, float : 1, default : 0), ""); // finite-warning {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}}
+// FIXME: the NAN and INF diagnostics should only be issued once, not twice.
+  _Static_assert(_Generic(INFINITY, float : 1, default : 0), ""); // finite-warning {{use of infinity via a macro is undefined behavior due to the currently enabled floating-point options}} \
+								  finite-warning {{use of infinity is undefined behavior due to the currently enabled floating-point options}}
   _Static_assert(_Generic(NAN, float : 1, default : 0), ""); // finite-warning {{use of NaN is undefined behavior due to the currently enabled floating-point options}} \
                                                                 finite-warning {{use of NaN via a macro is undefined behavior due to the currently enabled floating-point options}}
 

diff --git a/clang/test/InstallAPI/directory-scanning-subdirectories.test b/clang/test/InstallAPI/directory-scanning-subdirectories.test
@@ -0,0 +1,61 @@
+; RUN: rm -rf %t
+; RUN: split-file %s %t
+; RUN: mkdir -p %t/DstRoot/
+; RUN: cp -r %S/Inputs/LibFoo/* %t/DstRoot/
+
+; RUN: clang-installapi \
+; RUN: -target arm64-apple-macos12 -install_name @rpath/libfoo.dylib \
+; RUN: -current_version 1 -compatibility_version 1 \
+; RUN: -I%t/DstRoot/usr/include -dynamiclib \
+; RUN: -exclude-public-header %t/DstRoot/usr/include/public.h \
+; RUN: %t/DstRoot -o %t/output.tbd 2>&1 | FileCheck %s --allow-empty \
+; RUN: --implicit-check-not=error --implicit-check-not=warning 
+; RUN: llvm-readtapi --compare %t/output.tbd %t/expected.tbd 
+
+
+;--- DstRoot/usr/include/extra/extra.h
+int extra(void);
+
+;--- DstRoot/usr/include/extra/additional/additional.h
+int additional(void);
+
+;--- DstRoot/usr/include/more/more.h
+int more(void);
+
+;--- DstRoot/usr/include/another/another.h
+int another(void);
+
+;--- expected.tbd
+{
+  "main_library": {
+    "exported_symbols": [
+      {
+        "text": {
+          "global": [
+            "_foo", "_additional", "_more",
+            "_another", "_extra"
+          ]
+        }
+      }
+    ],
+    "flags": [
+      {
+        "attributes": [
+          "not_app_extension_safe"
+        ]
+      }
+    ],
+    "install_names": [
+      {
+        "name": "@rpath/libfoo.dylib"
+      }
+    ],
+    "target_info": [
+      {
+        "min_deployment": "12",
+        "target": "arm64-macos"
+      }
+    ]
+  },
+  "tapi_tbd_version": 5
+}
diff --git a/clang/test/OpenMP/amdgpu-unsafe-fp-atomics.cpp b/clang/test/OpenMP/amdgpu-unsafe-fp-atomics.cpp
@@ -0,0 +1,59 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -o - | FileCheck -check-prefix=DEFAULT %s
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -munsafe-fp-atomics -emit-llvm %s -fopenmp-is-target-device -o - | FileCheck -check-prefix=UNSAFE-FP-ATOMICS %s
+
+#pragma omp declare target
+
+float fv, fx;
+double dv, dx;
+
+// DEFAULT-LABEL: define hidden void @_Z15atomic_fadd_f32v(
+// DEFAULT-SAME: ) #[[ATTR0:[0-9]+]] {
+// DEFAULT-NEXT:  [[ENTRY:.*:]]
+// DEFAULT-NEXT:    [[TMP0:%.*]] = load float, ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
+// DEFAULT-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @fx to ptr), float [[TMP0]] monotonic, align 4
+// DEFAULT-NEXT:    [[ADD:%.*]] = fadd float [[TMP1]], [[TMP0]]
+// DEFAULT-NEXT:    store float [[ADD]], ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
+// DEFAULT-NEXT:    ret void
+//
+// UNSAFE-FP-ATOMICS-LABEL: define hidden void @_Z15atomic_fadd_f32v(
+// UNSAFE-FP-ATOMICS-SAME: ) #[[ATTR0:[0-9]+]] {
+// UNSAFE-FP-ATOMICS-NEXT:  [[ENTRY:.*:]]
+// UNSAFE-FP-ATOMICS-NEXT:    [[TMP0:%.*]] = load float, ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
+// UNSAFE-FP-ATOMICS-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @fx to ptr), float [[TMP0]] monotonic, align 4, !amdgpu.no.fine.grained.memory [[META5:![0-9]+]], !amdgpu.ignore.denormal.mode [[META5]]
+// UNSAFE-FP-ATOMICS-NEXT:    [[ADD:%.*]] = fadd float [[TMP1]], [[TMP0]]
+// UNSAFE-FP-ATOMICS-NEXT:    store float [[ADD]], ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
+// UNSAFE-FP-ATOMICS-NEXT:    ret void
+//
+void atomic_fadd_f32() {
+#pragma omp atomic capture
+  fv = fx = fx + fv;
+}
+
+// DEFAULT-LABEL: define hidden void @_Z15atomic_fadd_f64v(
+// DEFAULT-SAME: ) #[[ATTR0]] {
+// DEFAULT-NEXT:  [[ENTRY:.*:]]
+// DEFAULT-NEXT:    [[TMP0:%.*]] = load double, ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
+// DEFAULT-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @dx to ptr), double [[TMP0]] monotonic, align 8
+// DEFAULT-NEXT:    [[ADD:%.*]] = fadd double [[TMP1]], [[TMP0]]
+// DEFAULT-NEXT:    store double [[ADD]], ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
+// DEFAULT-NEXT:    ret void
+//
+// UNSAFE-FP-ATOMICS-LABEL: define hidden void @_Z15atomic_fadd_f64v(
+// UNSAFE-FP-ATOMICS-SAME: ) #[[ATTR0]] {
+// UNSAFE-FP-ATOMICS-NEXT:  [[ENTRY:.*:]]
+// UNSAFE-FP-ATOMICS-NEXT:    [[TMP0:%.*]] = load double, ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
+// UNSAFE-FP-ATOMICS-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @dx to ptr), double [[TMP0]] monotonic, align 8, !amdgpu.no.fine.grained.memory [[META5]]
+// UNSAFE-FP-ATOMICS-NEXT:    [[ADD:%.*]] = fadd double [[TMP1]], [[TMP0]]
+// UNSAFE-FP-ATOMICS-NEXT:    store double [[ADD]], ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
+// UNSAFE-FP-ATOMICS-NEXT:    ret void
+//
+void atomic_fadd_f64() {
+#pragma omp atomic capture
+  dv = dx = dx + dv;
+}
+
+#pragma omp end declare target
+//.
+// UNSAFE-FP-ATOMICS: [[META5]] = !{}
+//.
diff --git a/clang/test/OpenMP/target_defaultmap_messages.cpp b/clang/test/OpenMP/target_defaultmap_messages.cpp
@@ -1,5 +1,8 @@
-// RUN: %clang_cc1 -verify -Wno-vla -fopenmp %s -verify=expected,omp51 -Wuninitialized -DOMP51
-// RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd %s -verify=expected,omp51 -Wuninitialized -DOMP51
+// RUN: %clang_cc1 -verify -Wno-vla -fopenmp %s -fopenmp-version=52 -verify=expected,omp5x,omp52 -Wuninitialized
+// RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd %s -fopenmp-version=52 -verify=expected,omp5x,omp52 -Wuninitialized
+
+// RUN: %clang_cc1 -verify -Wno-vla -fopenmp %s -fopenmp-version=51 -verify=expected,omp5x,omp51 -Wuninitialized -DOMP51
+// RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd %s -fopenmp-version=51 -verify=expected,omp5x,omp51 -Wuninitialized -DOMP51
 
 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp -fopenmp-version=50 %s -verify=expected,omp5 -Wuninitialized -DOMP5
 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd -fopenmp-version=50 %s -verify=expected,omp5 -Wuninitialized -DOMP5
@@ -30,23 +33,23 @@ template <class T, typename S, int N, int ST>
 T tmain(T argc, S **argv) {
   #pragma omp target defaultmap // expected-error {{expected '(' after 'defaultmap'}}
   foo();
-#pragma omp target defaultmap( // omp51-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
+#pragma omp target defaultmap( // omp5x-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
   foo();
-#pragma omp target defaultmap() // omp51-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
+#pragma omp target defaultmap() // omp5x-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
   foo();
 #pragma omp target defaultmap(tofrom // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-warning {{missing ':' after defaultmap modifier - ignoring}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
-  #pragma omp target defaultmap (tofrom: // expected-error {{expected ')'}} expected-note {{to match this '('}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
+  #pragma omp target defaultmap (tofrom: // expected-error {{expected ')'}} expected-note {{to match this '('}} omp52-error {{expected 'scalar', 'aggregate', 'pointer', 'all' in OpenMP clause 'defaultmap'}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}} 
   foo();
 #pragma omp target defaultmap(tofrom) // omp45-warning {{missing ':' after defaultmap modifier - ignoring}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
 #pragma omp target defaultmap(tofrom, // expected-error {{expected ')'}} omp45-warning {{missing ':' after defaultmap modifier - ignoring}} expected-note {{to match this '('}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
-  #pragma omp target defaultmap (scalar: // omp51-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
+  #pragma omp target defaultmap (scalar: // omp5x-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp52-error {{expected 'scalar', 'aggregate', 'pointer', 'all' in OpenMP clause 'defaultmap'}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
   foo();
 #pragma omp target defaultmap(tofrom, scalar // expected-error {{expected ')'}} omp45-warning {{missing ':' after defaultmap modifier - ignoring}} expected-note {{to match this '('}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
-  #pragma omp target defaultmap(tofrom:scalar) defaultmap(tofrom:scalar) // omp45-error {{directive '#pragma omp target' cannot contain more than one 'defaultmap' clause}} omp5-error {{at most one defaultmap clause for each variable-category can appear on the directive}} omp51-error {{at most one defaultmap clause for each variable-category can appear on the directive}}
+  #pragma omp target defaultmap(tofrom:scalar) defaultmap(tofrom:scalar) // omp45-error {{directive '#pragma omp target' cannot contain more than one 'defaultmap' clause}} omp5-error {{at most one defaultmap clause for each variable-category can appear on the directive}} omp5x-error {{at most one defaultmap clause for each variable-category can appear on the directive}}
 
   foo();
 
@@ -93,23 +96,23 @@ T tmain(T argc, S **argv) {
 int main(int argc, char **argv) {
 #pragma omp target defaultmap // expected-error {{expected '(' after 'defaultmap'}}
   foo();
-#pragma omp target defaultmap( // omp51-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
+#pragma omp target defaultmap( // omp5x-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
   foo();
-#pragma omp target defaultmap() // omp51-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
+#pragma omp target defaultmap() // omp5x-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
   foo();
 #pragma omp target defaultmap(tofrom // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-warning {{missing ':' after defaultmap modifier - ignoring}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
-#pragma omp target defaultmap(tofrom: // expected-error {{expected ')'}} expected-note {{to match this '('}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
+#pragma omp target defaultmap(tofrom: // expected-error {{expected ')'}} expected-note {{to match this '('}} omp52-error {{expected 'scalar', 'aggregate', 'pointer', 'all' in OpenMP clause 'defaultmap'}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
 #pragma omp target defaultmap(tofrom) // omp45-warning {{missing ':' after defaultmap modifier - ignoring}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
 #pragma omp target defaultmap(tofrom, // expected-error {{expected ')'}} omp45-warning {{missing ':' after defaultmap modifier - ignoring}} expected-note {{to match this '('}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
-#pragma omp target defaultmap(scalar: // omp51-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
+#pragma omp target defaultmap(scalar: // omp5x-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default', 'present' in OpenMP clause 'defaultmap'}} omp52-error {{expected 'scalar', 'aggregate', 'pointer', 'all' in OpenMP clause 'defaultmap'}} omp51-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} omp5-error {{expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'}} expected-error {{expected ')'}} omp5-error {{expected 'alloc', 'from', 'to', 'tofrom', 'firstprivate', 'none', 'default' in OpenMP clause 'defaultmap'}} expected-note {{to match this '('}} omp45-error {{expected 'tofrom' in OpenMP clause 'defaultmap'}}
   foo();
 #pragma omp target defaultmap(tofrom, scalar // expected-error {{expected ')'}} omp45-warning {{missing ':' after defaultmap modifier - ignoring}} expected-note {{to match this '('}} omp45-error {{expected 'scalar' in OpenMP clause 'defaultmap'}}
   foo();
-#pragma omp target defaultmap(tofrom: scalar) defaultmap(tofrom: scalar) // omp45-error {{directive '#pragma omp target' cannot contain more than one 'defaultmap' clause}} omp5-error {{at most one defaultmap clause for each variable-category can appear on the directive}} omp51-error {{at most one defaultmap clause for each variable-category can appear on the directive}}
+#pragma omp target defaultmap(tofrom: scalar) defaultmap(tofrom: scalar) // omp45-error {{directive '#pragma omp target' cannot contain more than one 'defaultmap' clause}} omp5-error {{at most one defaultmap clause for each variable-category can appear on the directive}} omp5x-error {{at most one defaultmap clause for each variable-category can appear on the directive}}
   foo();
 
 #ifdef OMP5