[PATCH] D55309: ThinLTO: Do not import debug info for imported global constants

[Eugene Leviant via Phabricator via llvm-commits]

evgeny777 added a comment.

> Could you tell me the commands I need to run to test this?

You can try:

  clang -flto=thin -O3 main.c foo.c -fuse-ld=lld

> I'm investigating/trying to address significant regressions in object size, executable size, dwp size, symbolizing performance Caused by this change in thinlto debug info.

After some thinking I lean towards reverting my change in IRMover. Most of imported variables will be const-folded by optimizer, so debug info will be a waste of disk space.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55309/new/

https://reviews.llvm.org/D55309