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David Stenberg 9857b3e63f [DebugInfo] Allow GNU macro extension to be emitted
Allow the GNU .debug_macro extension to be emitted for DWARF versions
earlier than 5. The extension is basically what became DWARF 5's format,
except that a DW_AT_GNU_macros attribute is emitted, and some entries
like the strx entries are missing. In this patch I emit GNU's indirect
entries, which are the same as DWARF 5's strp entries.

This patch adds the extension behind a hidden LLVM flag,
-use-gnu-debug-macro. I would later want to enable it by default when
tuning for GDB and targeting DWARF versions earlier than 5.

The size of a Clang 8.0 binary built with RelWithDebInfo and the flags
"-gdwarf-4 -fdebug-macro" reduces from 1533 MB to 1349 MB with
.debug_macro (compared to 1296 MB without -fdebug-macro).

Reviewed By: SouraVX, dblaikie

Differential Revision: https://reviews.llvm.org/D82975
2020-08-11 17:00:25 +02:00
benchmarks
bindings [Bindings] Remove ipc_propagation. 2020-08-02 22:36:53 +01:00
cmake [cmake] Make gtest macro definitions a part the library interface 2020-08-11 15:22:44 +02:00
docs [Docs] Fixed missing closing quote character 2020-08-11 11:21:15 +02:00
examples [llvm][examples][SimplifyCFG] Fix pass's IR changed reporting 2020-07-27 13:39:58 -06:00
include [flang][directives] Use TableGen information for clause classes in parse-tree 2020-08-11 10:44:14 -04:00
lib [DebugInfo] Allow GNU macro extension to be emitted 2020-08-11 17:00:25 +02:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes Revert "[AIX] Try to not use LLVM tools while building runtimes" 2020-08-10 21:35:49 -04:00
test [DebugInfo] Allow GNU macro extension to be emitted 2020-08-11 17:00:25 +02:00
tools [llvm-readobj/elf] - Remove unwrapOrError calls from DumpStyle<ELFT>::printRelocationsHelper. 2020-08-11 16:49:37 +03:00
unittests [SystemZ/ZOS] Add binary format goff and operating system zos to the triple 2020-08-11 05:26:26 -04:00
utils [flang][directives] Use TableGen information for clause classes in parse-tree 2020-08-11 10:44:14 -04:00
.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] Bump CMake minimum version to 3.13.4 2020-07-22 14:25:07 -04:00
CODE_OWNERS.TXT Remove Olesen from LLVM code owners 2020-08-05 11:12:10 -07:00
configure
CREDITS.TXT [test commit] Add my name to the CREDITS.TXT 2020-07-24 12:05:53 -05:00
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
LLVMBuild.txt
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT

The LLVM Compiler Infrastructure
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a toolkit for the construction of highly optimized compilers,
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LLVM is open source software. You may freely distribute it under the terms of
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Please see the documentation provided in docs/ for further
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started with LLVM and docs/README.txt for an overview of LLVM's
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If you are writing a package for LLVM, see docs/Packaging.rst for our
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