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75870000ad
llvm-mirror/tools/gold
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Teresa Johnson 75870000ad [LTO] Prevent devirtualization for symbols dynamically exported 
Identify dynamically exported symbols (--export-dynamic[-symbol=],
--dynamic-list=, or definitions needed to preempt shared objects) and
prevent their LTO visibility from being upgraded.
This helps avoid use of whole program devirtualization when there may
be overrides in dynamic libraries.

Differential Revision: https://reviews.llvm.org/D91583
2021-01-27 15:54:13 -08:00
..
CMakeLists.txt cmake: Remove add_llvm_loadable_module() 2018-12-20 22:04:08 +00:00
gold-plugin.cpp [LTO] Prevent devirtualization for symbols dynamically exported 2021-01-27 15:54:13 -08:00
gold.exports
README.txt

README.txt 

The LLVM Gold LTO Plugin
========================

This directory contains a plugin that is designed to work with binutils
gold linker. At present time, this is not the default linker in
binutils, and the default build of gold does not support plugins.

See docs/GoldPlugin.html for complete build and usage instructions.

NOTE: libLTO and LLVMgold aren't built without PIC because they would fail
to link on x86-64 with a relocation error: PIC and non-PIC can't be combined.
As an alternative to passing --enable-pic, you can use 'make ENABLE_PIC=1' in
your entire LLVM build.