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Nico Weber 9c0716f116 ld.lld: Demangle symbols from archives in diagnostics 
This ports r366573 from COFF to ELF.

There are now to toString(Archive::Symbol), one doing MSVC demangling
in COFF and one doing Itanium demangling in ELF, so rename these two
to toCOFFString() and to toELFString() to not get a duplicate symbol.

Nothing ever passes a raw Archive::Symbol to CHECK(), so these not
being part of the normal toString() machinery seems ok.

There are two code paths in the ELF linker that emits this type of
diagnostic:

1. The "normal" one in InputFiles.cpp. This is covered by the tweaked test.

2. An additional one that's only used for libcalls if there's at least
   one bitcode in the link, and if the libcall symbol is lazy, and
   lazily loaded from an archive (i.e. not from a lazy .o file).
   (This code path was added in r339301.) Since all libcall names so far
   are C symbols and never mangled, the change there is not observable
   and hence not covered by tests.

Differential Revision: https://reviews.llvm.org/D65095

llvm-svn: 366836
 		2019-07-23 19:00:01 +00:00
..
COFF ld.lld: Demangle symbols from archives in diagnostics 2019-07-23 19:00:01 +00:00
Common [ELF] Support explicitly overriding relocation model in LTO 2019-07-20 21:59:47 +00:00
ELF ld.lld: Demangle symbols from archives in diagnostics 2019-07-23 19:00:01 +00:00
MinGW [Coding style change][lld] Rename variables for non-ELF ports 2019-07-11 05:40:30 +00:00
cmake/modules [CMake] Properly conditionalize installation of lld libraries 2018-03-09 13:09:36 +00:00
docs Bump the trunk version to 10.0.0svn 2019-07-18 11:51:05 +00:00
include/lld [ELF] Support explicitly overriding relocation model in LTO 2019-07-20 21:59:47 +00:00
lib [Coding style change][lld] Rename variables for non-ELF ports 2019-07-11 05:40:30 +00:00
test ld.lld: Demangle symbols from archives in diagnostics 2019-07-23 19:00:01 +00:00
tools/lld Fix build breakage on Darwin. 2019-07-11 06:12:18 +00:00
unittests Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
utils Python 2/3 compatibility 2019-03-20 07:42:13 +00:00
wasm [WebAssembly] Compute and export TLS block alignment 2019-07-19 23:34:16 +00:00
.arcconfig [lld] Set up .arcconfig to point to new Diffusion LLD repository 2017-12-06 20:56:23 +00:00
.clang-format
…
.gitignore
…
CMakeLists.txt [CMake] Don't set Python_ADDITIONAL_VERSIONS 2019-07-18 15:17:42 +00:00
CODE_OWNERS.TXT
…
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
README.md Note that the test .tar.xz has been updated. 2017-12-22 19:37:32 +00:00

README.md

LLVM Linker (lld)

This directory and its subdirectories contain source code for the LLVM Linker, a modular cross platform linker which is built as part of the LLVM compiler infrastructure project.

lld is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.

Benchmarking

In order to make sure various developers can evaluate patches over the same tests, we create a collection of self contained programs.

It is hosted at https://s3-us-west-2.amazonaws.com/linker-tests/lld-speed-test.tar.xz

The current sha256 is 10eec685463d5a8bbf08d77f4ca96282161d396c65bd97dc99dbde644a31610f.