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llvm-capstone/lld
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Justin Bogner dcb6d212fd Reapply "[Option] Add "Visibility" field and clone the OptTable APIs to use it" 
This reverts commit 4e3b89483a, with
fixes for places I'd missed updating in lld and lldb. I've also
renamed OptionVisibility::Default to "DefaultVis" to avoid ambiguity
since the undecorated name has to be available anywhere Options.inc is
included.

Original message follows:

This splits OptTable's "Flags" field into "Flags" and "Visibility",
updates the places where we instantiate Option tables, and adds
variants of the OptTable APIs that use Visibility mask instead of
Include/Exclude flags.

We need to do this to clean up a bunch of complexity in the clang
driver's option handling - there's a whole slew of flags like
CoreOption, NoDriverOption, and FlangOnlyOption there today to try to
handle all of the permutations of flags that the various drivers need,
but it really doesn't scale well, as can be seen by things like the
somewhat recently introduced CLDXCOption.

Instead, we'll provide an additive model for visibility that's
separate from the other flags. For things like "HelpHidden", which is
used as a "subtractive" modifier for option visibility, we leave that
in "Flags" and handle it as a special case.

Note that we don't actually update the users of the Include/Exclude
APIs here or change the flags that exist in clang at all - that will
come in a follow up that refactors clang's Options.td to use the
increased flexibility this change allows.

Differential Revision: https://reviews.llvm.org/D157149
2023-08-15 01:16:58 -07:00
..
cmake/modules [cmake] Fix path to LLVMConfig.cmake for multi-config builds 2023-01-13 20:32:59 +01:00
COFF Reapply "[Option] Add "Visibility" field and clone the OptTable APIs to use it" 2023-08-15 01:16:58 -07:00
Common [GlobPattern] Update invalid glob pattern diagnostic for unmatched '[' 2023-08-08 20:25:10 -07:00
docs Clear release notes for 18.x 2023-07-25 13:58:49 +02:00
ELF [GlobPattern] Update invalid glob pattern diagnostic for unmatched '[' 2023-08-08 20:25:10 -07:00
include/lld/Common Re-land [LLD] Allow usage of LLD as a library 2023-06-19 07:35:11 -04:00
MachO Reapply "[Option] Add "Visibility" field and clone the OptTable APIs to use it" 2023-08-15 01:16:58 -07:00
MinGW Reapply "[Option] Add "Visibility" field and clone the OptTable APIs to use it" 2023-08-15 01:16:58 -07:00
test [lld-macho] Postprocess LC Linker Option 2023-08-13 13:39:04 -07:00
tools/lld Re-land [LLD] Allow usage of LLD as a library 2023-06-19 07:35:11 -04:00
unittests Re-land [LLD] Allow usage of LLD as a library 2023-06-19 07:35:11 -04:00
utils [NFC][Py Reformat] Reformat python files in the rest of the dirs 2023-05-25 11:17:05 +02:00
wasm Reapply "[Option] Add "Visibility" field and clone the OptTable APIs to use it" 2023-08-15 01:16:58 -07:00
.clang-format
.clang-tidy
.gitignore
CMakeLists.txt [lld] respect LLVM_EXTERNAL_LIT 2023-07-06 16:35:01 +02:00
CODE_OWNERS.TXT
LICENSE.TXT
README.md

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.