[codegen][NFC] add static mark for internal usage variable and function

clang/lib/CodeGen/CGBuiltin.cpp

@@ -587,9 +587,10 @@ static Value *emitCallMaybeConstrainedFPBuiltin(CodeGenFunction &CGF,
 // matching the argument type. It is assumed that only the first argument is
 // overloaded.
 template <unsigned N>
-Value *emitBuiltinWithOneOverloadedType(CodeGenFunction &CGF, const CallExpr *E,
-                                        unsigned IntrinsicID,
-                                        llvm::StringRef Name = "") {
+static Value *emitBuiltinWithOneOverloadedType(CodeGenFunction &CGF,
+                                               const CallExpr *E,
+                                               unsigned IntrinsicID,
+                                               llvm::StringRef Name = "") {
   static_assert(N, "expect non-empty argument");
   SmallVector<Value *, N> Args;
   for (unsigned I = 0; I < N; ++I)
@@ -18569,7 +18570,7 @@ llvm::Value *CodeGenFunction::EmitScalarOrConstFoldImmArg(unsigned ICEArguments,
 }
 
 // Return dot product intrinsic that corresponds to the QT scalar type
-Intrinsic::ID getDotProductIntrinsic(CGHLSLRuntime &RT, QualType QT) {
+static Intrinsic::ID getDotProductIntrinsic(CGHLSLRuntime &RT, QualType QT) {
   if (QT->isFloatingType())
     return RT.getFDotIntrinsic();
   if (QT->isSignedIntegerType())

clang/lib/CodeGen/CGOpenMPRuntime.cpp

@@ -1490,7 +1490,7 @@ llvm::Type *CGOpenMPRuntime::getKmpc_MicroPointerTy() {
   return llvm::PointerType::getUnqual(Kmpc_MicroTy);
 }
 
-llvm::OffloadEntriesInfoManager::OMPTargetDeviceClauseKind
+static llvm::OffloadEntriesInfoManager::OMPTargetDeviceClauseKind
 convertDeviceClause(const VarDecl *VD) {
   std::optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy =
       OMPDeclareTargetDeclAttr::getDeviceType(VD);
@@ -1513,7 +1513,7 @@ convertDeviceClause(const VarDecl *VD) {
   }
 }
 
-llvm::OffloadEntriesInfoManager::OMPTargetGlobalVarEntryKind
+static llvm::OffloadEntriesInfoManager::OMPTargetGlobalVarEntryKind
 convertCaptureClause(const VarDecl *VD) {
   std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapType =
       OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD);
@@ -8836,7 +8836,7 @@ static ValueDecl *getDeclFromThisExpr(const Expr *E) {
 
 /// Emit a string constant containing the names of the values mapped to the
 /// offloading runtime library.
-llvm::Constant *
+static llvm::Constant *
 emitMappingInformation(CodeGenFunction &CGF, llvm::OpenMPIRBuilder &OMPBuilder,
                        MappableExprsHandler::MappingExprInfo &MapExprs) {
 
@@ -9450,8 +9450,8 @@ static llvm::Value *emitDeviceID(
   return DeviceID;
 }
 
-llvm::Value *emitDynCGGroupMem(const OMPExecutableDirective &D,
-                               CodeGenFunction &CGF) {
+static llvm::Value *emitDynCGGroupMem(const OMPExecutableDirective &D,
+                                      CodeGenFunction &CGF) {
   llvm::Value *DynCGroupMem = CGF.Builder.getInt32(0);
 
   if (auto *DynMemClause = D.getSingleClause<OMPXDynCGroupMemClause>()) {

clang/lib/CodeGen/CGStmtOpenMP.cpp

@@ -2734,8 +2734,8 @@ GetAlignedMapping(const OMPLoopDirective &S, CodeGenFunction &CGF) {
 
 // Pass OMPLoopDirective (instead of OMPSimdDirective) to make this function
 // available for "loop bind(thread)", which maps to "simd".
-void emitOMPSimdDirective(const OMPLoopDirective &S, CodeGenFunction &CGF,
-                          CodeGenModule &CGM) {
+static void emitOMPSimdDirective(const OMPLoopDirective &S,
+                                 CodeGenFunction &CGF, CodeGenModule &CGM) {
   bool UseOMPIRBuilder =
       CGM.getLangOpts().OpenMPIRBuilder && isSimdSupportedByOpenMPIRBuilder(S);
   if (UseOMPIRBuilder) {
@@ -3987,8 +3987,8 @@ convertClauseKindToSchedKind(OpenMPScheduleClauseKind ScheduleClauseKind) {
 
 // Pass OMPLoopDirective (instead of OMPForDirective) to make this function
 // available for "loop bind(parallel)", which maps to "for".
-void emitOMPForDirective(const OMPLoopDirective &S, CodeGenFunction &CGF,
-                         CodeGenModule &CGM, bool HasCancel) {
+static void emitOMPForDirective(const OMPLoopDirective &S, CodeGenFunction &CGF,
+                                CodeGenModule &CGM, bool HasCancel) {
   bool HasLastprivates = false;
   bool UseOMPIRBuilder = CGM.getLangOpts().OpenMPIRBuilder &&
                          isForSupportedByOpenMPIRBuilder(S, HasCancel);
@@ -5447,7 +5447,7 @@ void CodeGenFunction::EmitOMPTaskwaitDirective(const OMPTaskwaitDirective &S) {
   CGM.getOpenMPRuntime().emitTaskwaitCall(*this, S.getBeginLoc(), Data);
 }
 
-bool isSupportedByOpenMPIRBuilder(const OMPTaskgroupDirective &T) {
+static bool isSupportedByOpenMPIRBuilder(const OMPTaskgroupDirective &T) {
   return T.clauses().empty();
 }
 
@@ -5968,8 +5968,9 @@ void CodeGenFunction::EmitOMPDistributeLoop(const OMPLoopDirective &S,
 
 // Pass OMPLoopDirective (instead of OMPDistributeDirective) to make this
 // function available for "loop bind(teams)", which maps to "distribute".
-void emitOMPDistributeDirective(const OMPLoopDirective &S, CodeGenFunction &CGF,
-                                CodeGenModule &CGM) {
+static void emitOMPDistributeDirective(const OMPLoopDirective &S,
+                                       CodeGenFunction &CGF,
+                                       CodeGenModule &CGM) {
   auto &&CodeGen = [&S](CodeGenFunction &CGF, PrePostActionTy &) {
     CGF.EmitOMPDistributeLoop(S, emitOMPLoopBodyWithStopPoint, S.getInc());
   };

clang/lib/CodeGen/CodeGenModule.cpp

@@ -784,8 +784,9 @@ getLLVMVisibility(clang::LangOptions::VisibilityFromDLLStorageClassKinds K) {
   llvm_unreachable("unknown option value!");
 }
 
-void setLLVMVisibility(llvm::GlobalValue &GV,
-                       std::optional<llvm::GlobalValue::VisibilityTypes> V) {
+static void
+setLLVMVisibility(llvm::GlobalValue &GV,
+                  std::optional<llvm::GlobalValue::VisibilityTypes> V) {
   if (!V)
     return;
 
@@ -4224,8 +4225,8 @@ TargetMVPriority(const TargetInfo &TI,
 // in the cases of CPUDispatch, this causes issues. This also makes sure we
 // work with internal linkage functions, so that the same function name can be
 // used with internal linkage in multiple TUs.
-llvm::GlobalValue::LinkageTypes getMultiversionLinkage(CodeGenModule &CGM,
-                                                       GlobalDecl GD) {
+static llvm::GlobalValue::LinkageTypes
+getMultiversionLinkage(CodeGenModule &CGM, GlobalDecl GD) {
   const FunctionDecl *FD = cast<FunctionDecl>(GD.getDecl());
   if (FD->getFormalLinkage() == Linkage::Internal)
     return llvm::GlobalValue::InternalLinkage;

clang/lib/CodeGen/SanitizerMetadata.cpp

@@ -27,7 +27,7 @@ static bool isAsanHwasanOrMemTag(const SanitizerSet &SS) {
                      SanitizerKind::HWAddress | SanitizerKind::MemTag);
 }
 
-SanitizerMask expandKernelSanitizerMasks(SanitizerMask Mask) {
+static SanitizerMask expandKernelSanitizerMasks(SanitizerMask Mask) {
   if (Mask & (SanitizerKind::Address | SanitizerKind::KernelAddress))
     Mask |= SanitizerKind::Address | SanitizerKind::KernelAddress;
   // Note: KHWASan doesn't support globals.