Issue: #

Brief Summary

🤖 Generated by Copilot at 5e824fd

This pull request fixes several bugs and improves the performance and usability of the code generation and IR transformation modules. It affects the files codegen_llvm.cpp, ir_builder.h, compile_to_offloads.cpp, and demote_operations.cpp. It also adds a new header file for the demote_operations transform.

Walkthrough

🤖 Generated by Copilot at 5e824fd

• Fix bugs in code generation for binary division and right shift operations in codegen_llvm.cpp (link, link)
• Add missing header file for ConstStmt class in ir_builder.h (link)
• Modify return type of get_constant method in IRBuilder class to be more general in ir_builder.h (link)
• Remove redundant call to scalarize pass in compile_to_offloads transform in compile_to_offloads.cpp (link)
• Add missing argument to full_simplify pass in compile_to_offloads transform in compile_to_offloads.cpp (link)
• Add new header file for IRBuilder class in demote_operations.cpp (link)
• Add new logic to handle tensor types in binary operations in demote_operations transform in demote_operations.cpp (link, link, link, link, link, link)
• Remove redundant logic for tensor types in binary operations in demote_operations transform in demote_operations.cpp (link)
• Add comment to explain motivation and strategy for demoting power operation in demote_operations transform in demote_operations.cpp (link)