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Mirror of https://github.com/RPCS3/llvm-mirror
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Petr Hosek 62cf2a8725 [InstrProfiling] Use !associated metadata for counters, data and values 
C identifier name input sections such as __llvm_prf_* are GC roots so
they cannot be discarded. In LLD, the SHF_LINK_ORDER flag overrides the
C identifier name semantics.

The !associated metadata may be attached to a global object declaration
with a single argument that references another global object, and it
gets lowered to SHF_LINK_ORDER flag. When a function symbol is discarded
by the linker, setting up !associated metadata allows linker to discard
counters, data and values associated with that function symbol.

Note that !associated metadata is only supported by ELF, it does not have
any effect on non-ELF targets.

Differential Revision: https://reviews.llvm.org/D76802
2021-02-01 15:01:43 -08:00
benchmarks
bindings [Go] Fix bindings/go/llvm/IRBindings.cpp 2020-12-16 10:09:58 -08:00
cmake Reland [lldb][docs] Use sphinx instead of epydoc to generate LLDB's Python reference 2021-01-17 12:13:01 +01:00
docs [Branch-Rename] Fix some links 2021-02-01 16:43:21 +05:30
examples [Doc][NFC] Fix Kaleidoscope links, typos and add blog posts for MCJIT 2021-01-25 19:59:36 +05:30
include [InstrProfiling] Use !associated metadata for counters, data and values 2021-02-01 15:01:43 -08:00
lib [InstrProfiling] Use !associated metadata for counters, data and values 2021-02-01 15:01:43 -08:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [CMake] Split the target side of runtimes build 2021-01-11 23:39:36 -08:00
test [InstrProfiling] Use !associated metadata for counters, data and values 2021-02-01 15:01:43 -08:00
tools [llvm-objcopy] -O binary: consider SHT_NOBITS sections to be empty 2021-02-01 15:01:25 -08:00
unittests [FPEnv] Intrinsic for setting rounding mode 2021-02-01 11:28:14 +07:00
utils [flang][directive] Enforce basic semantic check for all clauses 2021-02-01 13:33:30 -05:00
.clang-format
.clang-tidy
.gitattributes
.gitignore [clangd] Store index in '.cache/clangd/index' instead of '.clangd/index' 2020-07-07 14:53:45 +02:00
CMakeLists.txt Revert "[CMake] Actually require python 3.6 or greater" 2021-01-29 12:03:32 -08:00
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
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
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.