[MC] Remove unneeded getMemtagAttr()

Author: MaskRay

llvm/include/llvm/MC/MCAsmInfo.h

@@ -356,8 +356,6 @@ class MCAsmInfo {
   /// protected visibility.  Defaults to MCSA_Protected
   MCSymbolAttr ProtectedVisibilityAttr = MCSA_Protected;
 
-  MCSymbolAttr MemtagAttr = MCSA_Memtag;
-
   //===--- Dwarf Emission Directives -----------------------------------===//
 
   /// True if target supports emission of debugging information.  Defaults to
@@ -635,8 +633,6 @@ class MCAsmInfo {
     return ProtectedVisibilityAttr;
   }
 
-  MCSymbolAttr getMemtagAttr() const { return MemtagAttr; }
-
   bool doesSupportDebugInformation() const { return SupportsDebugInformation; }
 
   ExceptionHandling getExceptionHandlingType() const { return ExceptionsType; }

llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -760,7 +760,7 @@ void AsmPrinter::emitGlobalVariable(const GlobalVariable *GV) {
       OutContext.reportError(SMLoc(),
                              "tagged symbols (-fsanitize=memtag-globals) are "
                              "only supported on AArch64 Android");
-    OutStreamer->emitSymbolAttribute(EmittedSym, MAI->getMemtagAttr());
+    OutStreamer->emitSymbolAttribute(EmittedSym, MCSA_Memtag);
   }
 
   if (!GV->hasInitializer())   // External globals require no extra code.