CodeGen: convert some const char * to StringRef

Convert some use of const char * to StringRef.  NFC.

llvm-svn: 269630

1 files changed, 21 insertions, 33 deletions

diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp
index 91baafa050c..4f14f872752 100644
--- a/clang/lib/CodeGen/CGObjCMac.cpp
+++ b/clang/lib/CodeGen/CGObjCMac.cpp
@@ -1133,9 +1133,8 @@ private:
 
   /// EmitMethodList - Emit the method list for the given
   /// implementation. The return value has type MethodListPtrTy.
-  llvm::Constant *EmitMethodList(Twine Name,
-                                 const char *Section,
-                                 ArrayRef<llvm::Constant*> Methods);
+  llvm::Constant *EmitMethodList(Twine Name, StringRef Section,
+                                 ArrayRef<llvm::Constant *> Methods);
 
   /// EmitMethodDescList - Emit a method description list for a list of
   /// method declarations.
@@ -1148,9 +1147,8 @@ private:
   ///  - begin, end: The method list to output.
   ///
   /// The return value has type MethodDescriptionListPtrTy.
-  llvm::Constant *EmitMethodDescList(Twine Name,
-                                     const char *Section,
-                                     ArrayRef<llvm::Constant*> Methods);
+  llvm::Constant *EmitMethodDescList(Twine Name, StringRef Section,
+                                     ArrayRef<llvm::Constant *> Methods);
 
   /// GetOrEmitProtocol - Get the protocol object for the given
   /// declaration, emitting it if necessary. The return value has type
@@ -1307,9 +1305,8 @@ private:
 
   /// AddModuleClassList - Add the given list of class pointers to the
   /// module with the provided symbol and section names.
-  void AddModuleClassList(ArrayRef<llvm::GlobalValue*> Container,
-                          const char *SymbolName,
-                          const char *SectionName);
+  void AddModuleClassList(ArrayRef<llvm::GlobalValue *> Container,
+                          StringRef SymbolName, StringRef SectionName);
 
   llvm::GlobalVariable * BuildClassRoTInitializer(unsigned flags,
                                               unsigned InstanceStart,
@@ -1328,9 +1325,8 @@ private:
 
   /// EmitMethodList - Emit the method list for the given
   /// implementation. The return value has type MethodListnfABITy.
-  llvm::Constant *EmitMethodList(Twine Name,
-                                 const char *Section,
-                                 ArrayRef<llvm::Constant*> Methods);
+  llvm::Constant *EmitMethodList(Twine Name, StringRef Section,
+                                 ArrayRef<llvm::Constant *> Methods);
   /// EmitIvarList - Emit the ivar list for the given
   /// implementation. If ForClass is true the list of class ivars
   /// (i.e. metaclass ivars) is emitted, otherwise the list of
@@ -1412,13 +1408,9 @@ private:
   llvm::Constant *GetInterfaceEHType(const ObjCInterfaceDecl *ID,
                                   bool ForDefinition);
 
-  const char *getMetaclassSymbolPrefix() const {
-    return "OBJC_METACLASS_$_";
-  }
+  StringRef getMetaclassSymbolPrefix() const { return "OBJC_METACLASS_$_"; }
 
-  const char *getClassSymbolPrefix() const {
-    return "OBJC_CLASS_$_";
-  }
+  StringRef getClassSymbolPrefix() const { return "OBJC_CLASS_$_"; }
 
   void GetClassSizeInfo(const ObjCImplementationDecl *OID,
                         uint32_t &InstanceStart,
@@ -3062,8 +3054,8 @@ CGObjCMac::GetMethodDescriptionConstant(const ObjCMethodDecl *MD) {
 }
 
 llvm::Constant *
-CGObjCMac::EmitMethodDescList(Twine Name, const char *Section,
-                              ArrayRef<llvm::Constant*> Methods) {
+CGObjCMac::EmitMethodDescList(Twine Name, StringRef Section,
+                              ArrayRef<llvm::Constant *> Methods) {
   // Return null for empty list.
   if (Methods.empty())
     return llvm::Constant::getNullValue(ObjCTypes.MethodDescriptionListPtrTy);
@@ -3606,9 +3598,8 @@ llvm::Constant *CGObjCMac::GetMethodConstant(const ObjCMethodDecl *MD) {
   return llvm::ConstantStruct::get(ObjCTypes.MethodTy, Method);
 }
 
-llvm::Constant *CGObjCMac::EmitMethodList(Twine Name,
-                                          const char *Section,
-                                          ArrayRef<llvm::Constant*> Methods) {
+llvm::Constant *CGObjCMac::EmitMethodList(Twine Name, StringRef Section,
+                                          ArrayRef<llvm::Constant *> Methods) {
   // Return null for empty list.
   if (Methods.empty())
     return llvm::Constant::getNullValue(ObjCTypes.MethodListPtrTy);
@@ -5700,10 +5691,9 @@ llvm::Function *CGObjCNonFragileABIMac::ModuleInitFunction() {
   return nullptr;
 }
 
-void CGObjCNonFragileABIMac::
-AddModuleClassList(ArrayRef<llvm::GlobalValue*> Container,
-                   const char *SymbolName,
-                   const char *SectionName) {
+void CGObjCNonFragileABIMac::AddModuleClassList(
+    ArrayRef<llvm::GlobalValue *> Container, StringRef SymbolName,
+    StringRef SectionName) {
   unsigned NumClasses = Container.size();
 
   if (!NumClasses)
@@ -6312,9 +6302,8 @@ llvm::Constant *CGObjCNonFragileABIMac::GetMethodConstant(
 /// }
 ///
 llvm::Constant *
-CGObjCNonFragileABIMac::EmitMethodList(Twine Name,
-                                       const char *Section,
-                                       ArrayRef<llvm::Constant*> Methods) {
+CGObjCNonFragileABIMac::EmitMethodList(Twine Name, StringRef Section,
+                                       ArrayRef<llvm::Constant *> Methods) {
   // Return null for empty list.
   if (Methods.empty())
     return llvm::Constant::getNullValue(ObjCTypes.MethodListnfABIPtrTy);
@@ -6911,9 +6900,8 @@ llvm::Value *CGObjCNonFragileABIMac::EmitClassRefFromId(CodeGenFunction &CGF,
   llvm::GlobalVariable *&Entry = ClassReferences[II];
   
   if (!Entry) {
-    std::string ClassName(
-      getClassSymbolPrefix() +
-      (ID ? ID->getObjCRuntimeNameAsString() : II->getName()).str());
+    StringRef Name = ID ? ID->getObjCRuntimeNameAsString() : II->getName();
+    std::string ClassName = (getClassSymbolPrefix() + Name).str();
     llvm::GlobalVariable *ClassGV = GetClassGlobal(ClassName, Weak);
     Entry = new llvm::GlobalVariable(CGM.getModule(), ObjCTypes.ClassnfABIPtrTy,
                                      false, llvm::GlobalValue::PrivateLinkage,