[REFACTOR][IR] Unify PrimExpr type mechanism to PrimType instead of DataType#19875

tqchen wants to merge 5 commits into

apache:mainapache/tvm:mainfrom

tqchen:task-use-ty-primtype-for-source-of-dtypetqchen/tvm:task-use-ty-primtype-for-source-of-dtypeCopy head branch name to clipboard