[llvm] Replace uses of Type::getPointerTo() (NFC) (llvm#110163)

Replace uses of `Type::getPointerTo()` which is to be removed.

---------

Co-authored-by: Nikita Popov <[email protected]>

Author: JOE1994

llvm/lib/CodeGen/GlobalISel/CallLowering.cpp

@@ -1034,7 +1034,7 @@ void CallLowering::insertSRetStores(MachineIRBuilder &MIRBuilder, Type *RetTy,
   unsigned NumValues = SplitVTs.size();
   Align BaseAlign = DL.getPrefTypeAlign(RetTy);
   unsigned AS = DL.getAllocaAddrSpace();
-  LLT OffsetLLTy = getLLTForType(*DL.getIndexType(RetTy->getPointerTo(AS)), DL);
+  LLT OffsetLLTy = getLLTForType(*DL.getIndexType(RetTy->getContext(), AS), DL);
 
   MachinePointerInfo PtrInfo(AS);
 

llvm/lib/Target/BPF/BPFCheckAndAdjustIR.cpp

@@ -440,7 +440,7 @@ static Value *aspaceWrapValue(DenseMap<Value *, Value *> &Cache, Function *F,
     auto *GEPTy = cast<PointerType>(GEP->getType());
     auto *NewGEP = GEP->clone();
     NewGEP->insertAfter(GEP);
-    NewGEP->mutateType(GEPTy->getPointerTo(0));
+    NewGEP->mutateType(PointerType::getUnqual(GEPTy->getContext()));
     NewGEP->setOperand(GEP->getPointerOperandIndex(), WrappedPtr);
     NewGEP->setName(GEP->getName());
     Cache[ToWrap] = NewGEP;
@@ -452,8 +452,7 @@ static Value *aspaceWrapValue(DenseMap<Value *, Value *> &Cache, Function *F,
     IB.SetInsertPoint(*InsnPtr->getInsertionPointAfterDef());
   else
     IB.SetInsertPoint(F->getEntryBlock().getFirstInsertionPt());
-  auto *PtrTy = cast<PointerType>(ToWrap->getType());
-  auto *ASZeroPtrTy = PtrTy->getPointerTo(0);
+  auto *ASZeroPtrTy = IB.getPtrTy(0);
   auto *ACast = IB.CreateAddrSpaceCast(ToWrap, ASZeroPtrTy, ToWrap->getName());
   Cache[ToWrap] = ACast;
   return ACast;

llvm/lib/Transforms/IPO/LowerTypeTests.cpp

@@ -1658,8 +1658,8 @@ void LowerTypeTestsModule::buildBitSetsFromFunctionsNative(
                        ".cfi.jumptable", &M);
   ArrayType *JumpTableType =
       ArrayType::get(getJumpTableEntryType(), Functions.size());
-  auto JumpTable =
-      ConstantExpr::getPointerCast(JumpTableFn, JumpTableType->getPointerTo(0));
+  auto JumpTable = ConstantExpr::getPointerCast(
+      JumpTableFn, PointerType::getUnqual(M.getContext()));
 
   lowerTypeTestCalls(TypeIds, JumpTable, GlobalLayout);
 

llvm/lib/Transforms/IPO/OpenMPOpt.cpp

@@ -3536,8 +3536,8 @@ struct AAHeapToSharedFunction : public AAHeapToShared {
           PoisonValue::get(Int8ArrTy), CB->getName() + "_shared", nullptr,
           GlobalValue::NotThreadLocal,
           static_cast<unsigned>(AddressSpace::Shared));
-      auto *NewBuffer =
-          ConstantExpr::getPointerCast(SharedMem, Int8Ty->getPointerTo());
+      auto *NewBuffer = ConstantExpr::getPointerCast(
+          SharedMem, PointerType::getUnqual(M->getContext()));
 
       auto Remark = [&](OptimizationRemark OR) {
         return OR << "Replaced globalized variable with "

llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp

@@ -1743,7 +1743,7 @@ void VPVectorPointerRecipe ::execute(VPTransformState &State) {
   // or query DataLayout for a more suitable index type otherwise.
   const DataLayout &DL = Builder.GetInsertBlock()->getDataLayout();
   Type *IndexTy = State.VF.isScalable() && (IsReverse || CurrentPart > 0)
-                      ? DL.getIndexType(IndexedTy->getPointerTo())
+                      ? DL.getIndexType(Builder.getPtrTy(0))
                       : Builder.getInt32Ty();
   Value *Ptr = State.get(getOperand(0), VPLane(0));
   bool InBounds = isInBounds();