MCSectionXCOFF: Remove classof

The object file format specific derived classes are used in context like
MCStreamer and MCObjectTargetWriter where the type is statically known.
We don't use isa/dyn_cast and we want to eliminate
MCSection::SectionVariant in the base class.

1 files changed, 7 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index c93f890..408d07b 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -2388,23 +2388,25 @@ TargetLoweringObjectFileXCOFF::getTargetSymbol(const GlobalValue *GV,
   // here.
   if (const GlobalObject *GO = dyn_cast<GlobalObject>(GV)) {
     if (GO->isDeclarationForLinker())
-      return cast<MCSectionXCOFF>(getSectionForExternalReference(GO, TM))
+      return static_cast<const MCSectionXCOFF *>(
+                 getSectionForExternalReference(GO, TM))
           ->getQualNameSymbol();
 
     if (const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
       if (GVar->hasAttribute("toc-data"))
-        return cast<MCSectionXCOFF>(
+        return static_cast<const MCSectionXCOFF *>(
                    SectionForGlobal(GVar, SectionKind::getData(), TM))
             ->getQualNameSymbol();
 
     SectionKind GOKind = getKindForGlobal(GO, TM);
     if (GOKind.isText())
-      return cast<MCSectionXCOFF>(
+      return static_cast<const MCSectionXCOFF *>(
                  getSectionForFunctionDescriptor(cast<Function>(GO), TM))
           ->getQualNameSymbol();
     if ((TM.getDataSections() && !GO->hasSection()) || GO->hasCommonLinkage() ||
         GOKind.isBSSLocal() || GOKind.isThreadBSSLocal())
-      return cast<MCSectionXCOFF>(SectionForGlobal(GO, GOKind, TM))
+      return static_cast<const MCSectionXCOFF *>(
+                 SectionForGlobal(GO, GOKind, TM))
           ->getQualNameSymbol();
   }
 
@@ -2740,7 +2742,7 @@ MCSection *TargetLoweringObjectFileXCOFF::getSectionForTOCEntry(
 
 MCSection *TargetLoweringObjectFileXCOFF::getSectionForLSDA(
     const Function &F, const MCSymbol &FnSym, const TargetMachine &TM) const {
-  auto *LSDA = cast<MCSectionXCOFF>(LSDASection);
+  auto *LSDA = static_cast<MCSectionXCOFF *>(LSDASection);
   if (TM.getFunctionSections()) {
     // If option -ffunction-sections is on, append the function name to the
     // name of the LSDA csect so that each function has its own LSDA csect.