tree 40073e301788232611ab8eaa52b32511289445fc
parent 18850981c827eb0e1d5ccdb247e601768033dadf
author Ehsan Toosi <ehsan.nadjaran_toosi@dfki.de> 1593097331 +0200
committer Ehsan Toosi <ehsan.nadjaran_toosi@dfki.de> 1593783385 +0200

[mlir] Add redundant copy removal transform

This pass removes redundant dialect-independent Copy operations in different
situations like the following:

%from = ...
%to = ...
... (no user/alias for %to)
copy(%from, %to)
... (no user/alias for %from)
dealloc %from
use(%to)

Differential Revision: https://reviews.llvm.org/D82757