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Leonard Chan b854304d0e [llvm][IR] Do not place constants with static relocations in a mergeable section 
This patch provides two major changes:

1. Add getRelocationInfo to check if a constant will have static, dynamic, or
   no relocations. (Also rename the original needsRelocation to needsDynamicRelocation.)
2. Only allow a constant with no relocations (static or dynamic) to be placed
   in a mergeable section.

This will allow unused symbols that contain static relocations and happen to
fit in mergeable constant sections (.rodata.cstN) to instead be placed in
unique-named sections if -fdata-sections is used and subsequently garbage collected
by --gc-sections.

See https://lists.llvm.org/pipermail/llvm-dev/2021-February/148281.html.

Differential Revision: https://reviews.llvm.org/D95960
2021-02-18 15:39:00 -08:00
benchmarks
bindings [Go] Fix bindings/go/llvm/IRBindings.cpp 2020-12-16 10:09:58 -08:00
cmake [cmake] Move check for libproc to config-ix.cmake 2021-02-18 10:54:27 +01:00
docs [Coverage] Store compilation dir separately in coverage mapping 2021-02-18 14:34:39 -08:00
examples [Draft] [examples] Move llvm/examples/OCaml-Kaleidoscope/ to llvm-archive 2021-02-11 06:52:24 +05:30
include [llvm][IR] Do not place constants with static relocations in a mergeable section 2021-02-18 15:39:00 -08:00
lib [llvm][IR] Do not place constants with static relocations in a mergeable section 2021-02-18 15:39:00 -08:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [CMake] Delete LLVM_RUNTIME_BUILD_ID_LINK_TARGETS 2021-02-15 11:06:23 -08:00
test [llvm][IR] Do not place constants with static relocations in a mergeable section 2021-02-18 15:39:00 -08:00
tools Revert "[Debugify] Make the debugify aware of the original (-g) Debug Info" 2021-02-18 02:04:27 -08:00
unittests [Coverage] Store compilation dir separately in coverage mapping 2021-02-18 14:34:39 -08:00
utils [gn build] assert that goma_dir and sysroot are set for goma builds 2021-02-18 18:30:26 -05:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore [clangd] Store index in '.cache/clangd/index' instead of '.clangd/index' 2020-07-07 14:53:45 +02:00
CMakeLists.txt [cmake] Move check for libproc to config-ix.cmake 2021-02-18 10:54:27 +01:00
CODE_OWNERS.TXT Change XCore code owner. 2021-01-14 12:13:48 +00:00
configure
CREDITS.TXT [NFC] Add contributors names to CREDITS.TXT 2020-10-07 13:22:55 -04:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT

README.txt 

The LLVM Compiler Infrastructure
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

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

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.