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35e5e58dc5
Summary: VersionPrinter by default outputs information about the Host CPU and Default target. Printing this information requires linking in a large amount of data, such as supported target triples as C strings, which in turn bloats the binary size. Enable a new CMake option LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO which controls printing of the host and target info. This allows the target triple names to be dead-code stripped. This is a nice win for LLVM clients that wish to minimize their binary size, such as graphics drivers. By default this is ON, so there is no change in the default behavior. Clients who wish to suppress this printing can do so by setting this option to off via CMake. A test app on Linux that uses ParseCommandLineOptions() shows a binary size reduction of 23KB (from 149K to 126K) for a Release build, and 24KB (from 135K to 111K) in a MinSizeRel build. Reviewers: klimek, beanz, bogner, chandlerc, compnerd Reviewed By: compnerd Patch by pammon (Peter Ammon) ! Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D30904 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300630 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| bindings | ||
| cmake | ||
| docs | ||
| examples | ||
| include | ||
| lib | ||
| projects | ||
| resources | ||
| runtimes | ||
| test | ||
| tools | ||
| unittests | ||
| utils | ||
| .arcconfig | ||
| .clang-format | ||
| .clang-tidy | ||
| .gitignore | ||
| CMakeLists.txt | ||
| CODE_OWNERS.TXT | ||
| configure | ||
| CREDITS.TXT | ||
| LICENSE.TXT | ||
| llvm.spec.in | ||
| LLVMBuild.txt | ||
| README.txt | ||
| RELEASE_TESTERS.TXT | ||
Low Level Virtual Machine (LLVM) ================================ 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.