Helper functions for Opaque Pointers

Helper functions for Opaque Pointers support.

Author: ViacheslavRb

IGC/WrapperLLVM/include/llvmWrapper/IR/DerivedTypes.h

@@ -15,6 +15,8 @@ SPDX-License-Identifier: MIT
 #include "llvm/IR/Module.h"
 #include "common/CommonMacros.h"
 
+#include "Type.h"
+
 namespace IGCLLVM
 {
 
@@ -70,6 +72,23 @@ namespace IGCLLVM
       return EltTy;
 #else
       return Ty->getWithNewBitWidth(NewBitWidth);
+#endif
+    }
+
+    inline llvm::PointerType* getWithSamePointeeType(llvm::PointerType* PT, unsigned AddressSpace) {
+#if LLVM_VERSION_MAJOR < 14
+        return llvm::PointerType::get(PT->getElementType(), AddressSpace);
+#else
+        return llvm::PointerType::getWithSamePointeeType(PT, AddressSpace);
+#endif
+    }
+
+    inline bool isOpaqueOrPointeeTypeEquals(llvm::Type* tyA, llvm::Type* tyB) {
+#if LLVM_VERSION_MAJOR < 14
+        return IGCLLVM::getNonOpaquePtrEltTy(tyA) == IGCLLVM::getNonOpaquePtrEltTy(tyB);
+#else
+        llvm::PointerType* pTyA = llvm::dyn_cast<llvm::PointerType>(tyA);
+        return pTyA && pTyA->isOpaqueOrPointeeTypeMatches(tyB);
 #endif
     }
 }