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Fangrui Song fbf2f66400 [ELF] Update flag propagation rule to ignore discarded output sections 
See the updated insert-before.test for the effects: many synthetic
sections are SHF_ALLOC|SHF_WRITE. If they are discarded, we don't want
to propagate their flags to subsequent output section descriptions.

`getFirstInputSection(sec) == nullptr` can technically be merged into
`isDiscardable` but I'd like to postpone that as not sharing code may give more
refactoring opportunity.

Depends on D118529.

Reviewed By: peter.smith, bluca

Differential Revision: https://reviews.llvm.org/D118530
 		2022-02-01 10:19:30 -08:00
..
COFF Revert "Rename llvm::array_lengthof into llvm::size to match std::size from C++17" 2022-01-26 16:55:53 +01:00
Common [lld] Add module name to LTO inline asm diagnostic 2022-01-28 11:32:42 -08:00
ELF [ELF] Update flag propagation rule to ignore discarded output sections 2022-02-01 10:19:30 -08:00
MachO [lld-macho] Add support for -add_empty_section 2022-01-30 10:03:41 -08:00
MinGW [LLD][MinGW] Add --heap argument support 2022-01-30 00:01:45 +02:00
cmake/modules [CMake] Factor out config prefix finding logic 2022-01-07 20:16:18 +00:00
docs [ELF] Deduplicate names of local symbols only with -O2 2022-02-01 10:10:22 -08:00
include/lld Re-land [LLD] Remove global state in lldCommon 2022-01-20 14:53:26 -05:00
test [ELF] Update flag propagation rule to ignore discarded output sections 2022-02-01 10:19:30 -08:00
tools/lld Re-land [LLD] Remove global state in lldCommon 2022-01-20 14:53:26 -05:00
utils
…
wasm [lld][WebAssembly] Handle TLS symbols in older object file 2022-01-27 17:27:09 -08:00
.clang-format
…
.clang-tidy NFC: .clang-tidy: Inherit configs from parents to improve maintainability 2021-06-08 08:25:59 -07:00
.gitignore
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CMakeLists.txt [cmake] Make include(GNUInstallDirs) always below project(..) 2022-01-20 18:59:17 +00:00
CODE_OWNERS.TXT Add code owners of new MachO port 2020-09-02 19:32:12 -07:00
LICENSE.TXT
…
README.md [doc] Place sha256 in lld/README.md into backticks 2021-01-12 10:19:40 -08:00

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.