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llvm-mirror/tools/gold
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Teresa Johnson 8ec572f211 [ThinLTO/gold] Perform index-based weak/linkonce resolution 
Summary:
Invoke the weak/linkonce symbol resolution support (already used by
libLTO) that operates via the summary index.

This ensures prevailing linkonce are kept, by making them weak, and
marks preempted copies as available_externally when possible.

With this change, the older support for keeping the prevailing linkonce
(by changing their symbol resolution) is removed.

Reviewers: mehdi_amini

Subscribers: llvm-commits, mehdi_amini

Differential Revision: http://reviews.llvm.org/D22302

llvm-svn: 275474
2016-07-14 21:13:24 +00:00
..
CMakeLists.txt [ThinLTO/gold] Handle bitcode archives 2016-05-26 01:46:41 +00:00
gold-plugin.cpp [ThinLTO/gold] Perform index-based weak/linkonce resolution 2016-07-14 21:13:24 +00:00
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.