[REFACTOR][TIR] Migrate LowerTVMBuiltin, InferFragment, LowerThreadAllreduce, ThreadSync to Pass Manager#5213

Merged

tqchen merged 1 commit intoapache:masterfrom tqchen:tir

Apr 2, 2020

+407-329

Commits on Apr 2, 2020

[REFACTOR][TIR] Migrate low-level pass functions to Pass Manager,
tqchen
committed