Remove leftover uses of llvm::Type::getPointerTo() (#114993)

`llvm::Type::getPointerTo()` is to be deprecated.
Replace remaining uses of it.

Author: JOE1994

clang/lib/CodeGen/CGObjCMac.cpp

@@ -365,7 +365,7 @@ class ObjCCommonTypesHelper {
   /// GcReadWeakFn -- LLVM objc_read_weak (id *src) function.
   llvm::FunctionCallee getGcReadWeakFn() {
     // id objc_read_weak (id *)
-    llvm::Type *args[] = { ObjectPtrTy->getPointerTo() };
+    llvm::Type *args[] = {CGM.UnqualPtrTy};
     llvm::FunctionType *FTy =
       llvm::FunctionType::get(ObjectPtrTy, args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_read_weak");
@@ -374,7 +374,7 @@ class ObjCCommonTypesHelper {
   /// GcAssignWeakFn -- LLVM objc_assign_weak function.
   llvm::FunctionCallee getGcAssignWeakFn() {
     // id objc_assign_weak (id, id *)
-    llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
+    llvm::Type *args[] = {ObjectPtrTy, CGM.UnqualPtrTy};
     llvm::FunctionType *FTy =
       llvm::FunctionType::get(ObjectPtrTy, args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_assign_weak");
@@ -383,7 +383,7 @@ class ObjCCommonTypesHelper {
   /// GcAssignGlobalFn -- LLVM objc_assign_global function.
   llvm::FunctionCallee getGcAssignGlobalFn() {
     // id objc_assign_global(id, id *)
-    llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
+    llvm::Type *args[] = {ObjectPtrTy, CGM.UnqualPtrTy};
     llvm::FunctionType *FTy =
       llvm::FunctionType::get(ObjectPtrTy, args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_assign_global");
@@ -392,7 +392,7 @@ class ObjCCommonTypesHelper {
   /// GcAssignThreadLocalFn -- LLVM objc_assign_threadlocal function.
   llvm::FunctionCallee getGcAssignThreadLocalFn() {
     // id objc_assign_threadlocal(id src, id * dest)
-    llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
+    llvm::Type *args[] = {ObjectPtrTy, CGM.UnqualPtrTy};
     llvm::FunctionType *FTy =
       llvm::FunctionType::get(ObjectPtrTy, args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_assign_threadlocal");
@@ -401,8 +401,7 @@ class ObjCCommonTypesHelper {
   /// GcAssignIvarFn -- LLVM objc_assign_ivar function.
   llvm::FunctionCallee getGcAssignIvarFn() {
     // id objc_assign_ivar(id, id *, ptrdiff_t)
-    llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo(),
-                           CGM.PtrDiffTy };
+    llvm::Type *args[] = {ObjectPtrTy, CGM.UnqualPtrTy, CGM.PtrDiffTy};
     llvm::FunctionType *FTy =
       llvm::FunctionType::get(ObjectPtrTy, args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_assign_ivar");
@@ -419,7 +418,7 @@ class ObjCCommonTypesHelper {
   /// GcAssignStrongCastFn -- LLVM objc_assign_strongCast function.
   llvm::FunctionCallee getGcAssignStrongCastFn() {
     // id objc_assign_strongCast(id, id *)
-    llvm::Type *args[] = { ObjectPtrTy, ObjectPtrTy->getPointerTo() };
+    llvm::Type *args[] = {ObjectPtrTy, CGM.UnqualPtrTy};
     llvm::FunctionType *FTy =
       llvm::FunctionType::get(ObjectPtrTy, args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_assign_strongCast");
@@ -554,23 +553,23 @@ class ObjCTypesHelper : public ObjCCommonTypesHelper {
 
   /// ExceptionTryEnterFn - LLVM objc_exception_try_enter function.
   llvm::FunctionCallee getExceptionTryEnterFn() {
-    llvm::Type *params[] = { ExceptionDataTy->getPointerTo() };
+    llvm::Type *params[] = {CGM.UnqualPtrTy};
     return CGM.CreateRuntimeFunction(
       llvm::FunctionType::get(CGM.VoidTy, params, false),
       "objc_exception_try_enter");
   }
 
   /// ExceptionTryExitFn - LLVM objc_exception_try_exit function.
   llvm::FunctionCallee getExceptionTryExitFn() {
-    llvm::Type *params[] = { ExceptionDataTy->getPointerTo() };
+    llvm::Type *params[] = {CGM.UnqualPtrTy};
     return CGM.CreateRuntimeFunction(
       llvm::FunctionType::get(CGM.VoidTy, params, false),
       "objc_exception_try_exit");
   }
 
   /// ExceptionExtractFn - LLVM objc_exception_extract function.
   llvm::FunctionCallee getExceptionExtractFn() {
-    llvm::Type *params[] = { ExceptionDataTy->getPointerTo() };
+    llvm::Type *params[] = {CGM.UnqualPtrTy};
     return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
                                                              params, false),
                                      "objc_exception_extract");
@@ -587,7 +586,7 @@ class ObjCTypesHelper : public ObjCCommonTypesHelper {
   /// SetJmpFn - LLVM _setjmp function.
   llvm::FunctionCallee getSetJmpFn() {
     // This is specifically the prototype for x86.
-    llvm::Type *params[] = { CGM.Int32Ty->getPointerTo() };
+    llvm::Type *params[] = {CGM.UnqualPtrTy};
     return CGM.CreateRuntimeFunction(
         llvm::FunctionType::get(CGM.Int32Ty, params, false), "_setjmp",
         llvm::AttributeList::get(CGM.getLLVMContext(),
@@ -6051,9 +6050,7 @@ ObjCNonFragileABITypesHelper::ObjCNonFragileABITypesHelper(CodeGen::CodeGenModul
       Int8PtrTy, PropertyListPtrTy);
 
   // ImpnfABITy - LLVM for id (*)(id, SEL, ...)
-  llvm::Type *params[] = { ObjectPtrTy, SelectorPtrTy };
-  ImpnfABITy = llvm::FunctionType::get(ObjectPtrTy, params, false)
-                 ->getPointerTo();
+  ImpnfABITy = CGM.UnqualPtrTy;
 
   // struct _class_t {
   //   struct _class_t *isa;
@@ -6469,8 +6466,7 @@ void CGObjCNonFragileABIMac::GenerateClass(const ObjCImplementationDecl *ID) {
                                    llvm::GlobalValue::ExternalLinkage, nullptr,
                                    "_objc_empty_vtable");
     else
-      ObjCEmptyVtableVar =
-        llvm::ConstantPointerNull::get(ObjCTypes.ImpnfABITy->getPointerTo());
+      ObjCEmptyVtableVar = llvm::ConstantPointerNull::get(CGM.UnqualPtrTy);
   }
 
   // FIXME: Is this correct (that meta class size is never computed)?

llvm/tools/bugpoint/CrashDebugger.cpp

@@ -245,7 +245,7 @@ static void RemoveFunctionReferences(Module *M, const char *Name) {
   auto *NewValElemTy = OldUsedVal->getType()->getElementType();
   auto *NewValTy = ArrayType::get(NewValElemTy, Used.size());
   auto *NewUsedVal = ConstantArray::get(NewValTy, Used);
-  UsedVar->mutateType(NewUsedVal->getType()->getPointerTo());
+  UsedVar->mutateType(PointerType::getUnqual(M->getContext()));
   UsedVar->setInitializer(NewUsedVal);
 }