llvm-project.git/llvm/test/Bitcode/Inputs/linker-options.bc, branch users/nico/python-2 Unnamed repository; edit this file 'description' to name the repository. [Bitcode] Avoid duplicating linker option when upgrading 2020-07-23T20:07:28+00:00 Steven Wu stevenwu@apple.com 2020-07-23T20:04:57+00:00 ac375c2fe316dae6eb770b38f90d6b67fadd22ec Summary: The upgrading path from old ModuleFlag based linker options to the new NamedMetadata based linker option in in materializeMetadata() which gets called once for the module and once for every GV. The linker options are getting dup'ed every time and it can create massive amount of the linker options in the object file that gets created from old bitcode. Fix the problem by checking if the new option exists or not before upgrade again. rdar://64543389 Reviewers: pcc, t.p.northover, dexonsmith, arphaman Reviewed By: arphaman Subscribers: hiraditya, jkorous, ributzka, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D83688 
Summary:
The upgrading path from old ModuleFlag based linker options to the new
NamedMetadata based linker option in in materializeMetadata() which gets
called once for the module and once for every GV. The linker options are
getting dup'ed every time and it can create massive amount of the linker
options in the object file that gets created from old bitcode. Fix the
problem by checking if the new option exists or not before upgrade
again.

rdar://64543389

Reviewers: pcc, t.p.northover, dexonsmith, arphaman

Reviewed By: arphaman

Subscribers: hiraditya, jkorous, ributzka, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D83688