Replace DataType with const Type* throughout the codebase #7850
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Issue: #5167
Brief Summary
This PR aims to replace Type with const* type as types are not modified after creation.
🤖 Generated by Copilot at f905901
This pull request refactors the
Type
system in thetaichi/ir
module to improve const correctness and avoid unnecessary copies. It changes theTypeFactory
class and its methods to useconst Type *
pointers, and addsconst
qualifiers to various members and parameters of theType
class and its subclasses. It also updates some files intaichi/ir
to match the new type system.Walkthrough
🤖 Generated by Copilot at f905901
Type
objects immutable and useconst Type *
instead ofType *
inTypeFactory
and related classes (link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link)