[PATCH] D44127: DeadArgumentElim] Clone function level metadatas

Rong Xu via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Mar 5 16:38:26 PST 2018


xur created this revision.
xur added reviewers: davidxl, eraman.
Herald added a subscriber: mehdi_amini.

Some Function level metadatas, such as function entry count, are not cloned in DeadArgumentElim. This happens a lot in lto/thinlto because of DeadArgumentElim after internalization.

This patch clones the metadatas in the original function to the new function.


https://reviews.llvm.org/D44127

Files:
  lib/Transforms/IPO/DeadArgumentElimination.cpp
  test/Transforms/DeadArgElim/func_metadata.ll

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