LLVMCodeBuilder: Do not use alloca for list size

Author: adazem009

src/dev/engine/internal/llvm/llvmcodebuilder.cpp

@@ -100,8 +100,7 @@ std::shared_ptr<ExecutableCode> LLVMCodeBuilder::finalize()
         listPtr.ptr = getListPtr(targetLists, list);
         listPtr.dataPtr = m_builder.CreateAlloca(m_valueDataType->getPointerTo());
         m_builder.CreateStore(m_builder.CreateCall(resolve_list_data(), listPtr.ptr), listPtr.dataPtr);
-        listPtr.sizePtr = m_builder.CreateAlloca(m_builder.getInt64Ty()->getPointerTo());
-        m_builder.CreateStore(m_builder.CreateCall(resolve_list_size_ptr(), listPtr.ptr), listPtr.sizePtr);
+        listPtr.sizePtr = m_builder.CreateCall(resolve_list_size_ptr(), listPtr.ptr);
     }
 
     // Execute recorded steps
@@ -550,8 +549,8 @@ std::shared_ptr<ExecutableCode> LLVMCodeBuilder::finalize()
             case LLVMInstruction::Type::GetListSize: {
                 assert(step.args.size() == 0);
                 const LLVMListPtr &listPtr = m_listPtrs[step.workList];
-                llvm::Value *sizePtr = m_builder.CreateLoad(m_builder.getInt64Ty()->getPointerTo(), listPtr.sizePtr);
-                step.functionReturnReg->value = m_builder.CreateUIToFP(m_builder.CreateLoad(m_builder.getInt64Ty(), sizePtr), m_builder.getDoubleTy());
+                llvm::Value *size = m_builder.CreateLoad(m_builder.getInt64Ty(), listPtr.sizePtr);
+                step.functionReturnReg->value = m_builder.CreateUIToFP(size, m_builder.getDoubleTy());
                 break;
             }