[ARM] Simplify shouldAssumeDSOLocal for ELF. NFC

Author: MaskRay

llvm/lib/Target/ARM/ARMFastISel.cpp

@@ -2953,8 +2953,7 @@ bool ARMFastISel::tryToFoldLoadIntoMI(MachineInstr *MI, unsigned OpNo,
 }
 
 unsigned ARMFastISel::ARMLowerPICELF(const GlobalValue *GV, MVT VT) {
-  bool UseGOT_PREL = !TM.shouldAssumeDSOLocal(*GV->getParent(), GV);
-
+  bool UseGOT_PREL = !GV->isDSOLocal();
   LLVMContext *Context = &MF->getFunction().getContext();
   unsigned ARMPCLabelIndex = AFI->createPICLabelUId();
   unsigned PCAdj = Subtarget->isThumb() ? 4 : 8;

llvm/lib/Target/ARM/ARMISelLowering.cpp

@@ -3921,20 +3921,18 @@ SDValue ARMTargetLowering::LowerGlobalAddressELF(SDValue Op,
   EVT PtrVT = getPointerTy(DAG.getDataLayout());
   SDLoc dl(Op);
   const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
-  const TargetMachine &TM = getTargetMachine();
   bool IsRO = isReadOnly(GV);
 
   // promoteToConstantPool only if not generating XO text section
-  if (TM.shouldAssumeDSOLocal(*GV->getParent(), GV) && !Subtarget->genExecuteOnly())
+  if (GV->isDSOLocal() && !Subtarget->genExecuteOnly())
     if (SDValue V = promoteToConstantPool(this, GV, DAG, PtrVT, dl))
       return V;
 
   if (isPositionIndependent()) {
-    bool UseGOT_PREL = !TM.shouldAssumeDSOLocal(*GV->getParent(), GV);
-    SDValue G = DAG.getTargetGlobalAddress(GV, dl, PtrVT, 0,
-                                           UseGOT_PREL ? ARMII::MO_GOT : 0);
+    SDValue G = DAG.getTargetGlobalAddress(
+        GV, dl, PtrVT, 0, GV->isDSOLocal() ? 0 : ARMII::MO_GOT);
     SDValue Result = DAG.getNode(ARMISD::WrapperPIC, dl, PtrVT, G);
-    if (UseGOT_PREL)
+    if (!GV->isDSOLocal())
       Result =
           DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), Result,
                       MachinePointerInfo::getGOT(DAG.getMachineFunction()));

llvm/lib/Target/ARM/ARMSubtarget.cpp

@@ -366,8 +366,7 @@ bool ARMSubtarget::isGVIndirectSymbol(const GlobalValue *GV) const {
 }
 
 bool ARMSubtarget::isGVInGOT(const GlobalValue *GV) const {
-  return isTargetELF() && TM.isPositionIndependent() &&
-         !TM.shouldAssumeDSOLocal(*GV->getParent(), GV);
+  return isTargetELF() && TM.isPositionIndependent() && !GV->isDSOLocal();
 }
 
 unsigned ARMSubtarget::getMispredictionPenalty() const {