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Peter Collingbourne 3bdbf14413 libLTO, llvm-lto, gold: Introduce flag for controlling optimization level.

This change also introduces a link-time optimization level of 1. This
optimization level runs only the globaldce pass as well as cleanup passes for
passes that run at -O0, specifically simplifycfg which cleans up lowerbitsets.

http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150316/266951.html

llvm-svn: 232769

2015-03-19 22:01:00 +00:00

CMakeLists.txt

[gold] Consolidate the gold plugin options and actually search for

2015-02-14 09:43:57 +00:00

gold-plugin.cpp

libLTO, llvm-lto, gold: Introduce flag for controlling optimization level.

2015-03-19 22:01:00 +00:00

gold.exports

Create an exports file, so that the plugin only exports the onload symbol.

2010-04-16 00:43:25 +00:00

Makefile

Rewrite the gold plugin to fix pr19901.

2014-08-21 20:28:55 +00:00

README.txt

Cut the gold plugin README down to size

2013-12-02 14:17:47 +00:00

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.