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Fangrui Song 0c234a7fc0 [TargetLoweringObjectFileImpl] Make .llvmbc and .llvmcmd non-SHF_ALLOC
There are two ways .llvmbc can be produced:

* clang -c -fembed-bitcode=all (which also produces .llvmcmd)
* LTO backend: ld.lld -mllvm -lto-embed-bitcode or -plugin-opt=-lto-embed-bitcode

.llvmbc and .llvmcmd have the SHF_ALLOC flag, so they can be dropped by
--gc-sections.

This patch sets SectionKind::Metadata to drop the SHF_ALLOC flag. This
is conceptually correct: the two sections are not part of the process
image, so SHF_ALLOC is not appropriate.

`test/LTO/X86/embed-bitcode.ll`: changed `llvm-objcopy -O binary --only-section` to
`llvm-objcopy --dump-section`. `-O binary` does not dump non-SHF_ALLOC sections.

Reviewed By: tejohnson

Differential Revision: https://reviews.llvm.org/D86374
2020-08-25 13:37:29 -07:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [Bindings] Remove ipc_propagation. 2020-08-02 22:36:53 +01:00
cmake [runtimes] Use llvm-libtool-darwin for runtimes build 2020-08-24 13:48:30 -07:00
docs [X86] Mention -march=sapphirerapids in the release notes. 2020-08-25 11:57:34 -07:00
examples [examples] Fix dependencies for OrcV2Examples/LLJITWithThinLTOSummaries. 2020-08-25 11:51:20 -07:00
include [SDAG] Improve MemSDNode::getBasePtr 2020-08-25 15:19:52 -05:00
lib [TargetLoweringObjectFileImpl] Make .llvmbc and .llvmcmd non-SHF_ALLOC 2020-08-25 13:37:29 -07:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [runtimes] Remove TOOLCHAIN_TOOLS specialization 2020-08-24 13:48:29 -07:00
test [TargetLoweringObjectFileImpl] Make .llvmbc and .llvmcmd non-SHF_ALLOC 2020-08-25 13:37:29 -07:00
tools [llvm-mca][NFC] Refactor handling of views that examine individual instructions, 2020-08-25 12:12:37 -07:00
unittests [DWARFYAML] Make the 'Attributes' field optional. 2020-08-25 22:37:43 +08:00
utils [Utils] Add highlighting definition for byref IR attribute 2020-08-25 16:19:24 +03:00
.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 Update my email address. 2020-08-21 10:15:26 -07:00
configure
CREDITS.TXT Update my email address. 2020-08-21 10:15:26 -07:00
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 Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

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