LLVM

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{{SeeWikipedia|Low Level Virtual Machine}}
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{{SeeWikipedia}}
  
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LLVM
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[[文件:DragonSmall.png|right]]
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[[文件:LLVM-Logo-Derivative-1.png|right]]
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[[文件:LLVM-Logo-Derivative-4.png|right]]
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==简介==
 
LLVM（Low Level Virtual Machine）底层虚拟机，是一个开源(BSD)编译器的基础设施，使用C++编写。它是为了任意一种编程语言写成的程序，利用虚拟技术，创造出编译时，链结时，运行时以及“闲置时”的最佳化。它最早是以 C/C++为处理对象，目前它支持了包括[[Objective-C]], [[Fortran]], [[Ada]], [[Haskell]], Java bytecode, [[Python]], [[Ruby]], [[ActionScript]], [[GLSL]]以及其他语言。
 
LLVM（Low Level Virtual Machine）底层虚拟机，是一个开源(BSD)编译器的基础设施，使用C++编写。它是为了任意一种编程语言写成的程序，利用虚拟技术，创造出编译时，链结时，运行时以及“闲置时”的最佳化。它最早是以 C/C++为处理对象，目前它支持了包括[[Objective-C]], [[Fortran]], [[Ada]], [[Haskell]], Java bytecode, [[Python]], [[Ruby]], [[ActionScript]], [[GLSL]]以及其他语言。
  
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[[文件:llvm-three-phase-design.png]]
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LLVM 采用 University of Illinois/NCSA Open Source License, or UIUC 许可证，基于MIT/X11 license and the 3-clause BSD license，兼容GPL。
  
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[[文件:llvm-three-phase-design.png]]
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==新闻==
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*[http://planet.clang.org/ planet clang]
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*[https://www.oschina.net/news/95790/rafael-leacing-llvm 因不满社区变化，LLVM 资深开发者发长邮件宣布退出] (2018.05)
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==版本==
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*13
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*12
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*11
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==C/C++==
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*[https://clang.llvm.org/c_status.html C Status]
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*[https://libcxx.llvm.org/Status/Cxx2b.html libc++ C++2b Status]
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*[https://libcxx.llvm.org/Status/Cxx20.html libc++ C++20 Status]
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*[https://libcxx.llvm.org/Status/Cxx17.html libc++ C++17 Status]
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*[https://libcxx.llvm.org/Status/Cxx14.html libc++ C++14 Status]
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==功能==
 
The LLVM compiler system for C and C++ includes the following:
 
The LLVM compiler system for C and C++ includes the following:
 
* Front-ends for C, C++, Objective-C, Fortran, etc based on the GCC 4.2 parsers. They support the ANSI-standard C and C++ languages to the same degree that GCC supports them. Additionally, many GCC extensions are supported.
 
* Front-ends for C, C++, Objective-C, Fortran, etc based on the GCC 4.2 parsers. They support the ANSI-standard C and C++ languages to the same degree that GCC supports them. Additionally, many GCC extensions are supported.
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* APIs and debugging tools to simplify rapid development of LLVM components.
 
* APIs and debugging tools to simplify rapid development of LLVM components.
  
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==安装==
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==指南==
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===Debian===
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[https://apt.llvm.org/ LLVM Debian/Ubuntu nightly packages]
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安装完，符号链接下。
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sudo ln -s /usr/bin/clang-13 /usr/bin/clang
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sudo ln -s /usr/bin/clang++-13 /usr/bin/clang++
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clang --version
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===macOS===
 
  port search llvm
 
  port search llvm
 
  sudo port install llvm-3.3
 
  sudo port install llvm-3.3
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==项目==
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[[文件:LLVM-logo.png|right|LLVM]]
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[[文件:Vellvm-logo.jpg|right|Vellvm]]
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[[文件:ＭinGW-w64-long.png|right|ＭinGW-w64]]
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*[https://github.com/topics/llvm LLVM GitHub Topics]
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*[https://github.com/sdiehl/kaleidoscope Haskell LLVM JIT Compiler Tutorial] [https://www.stephendiehl.com/llvm/ Implementing a JIT Compiled Language with Haskell and LLVM]
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*[http://cilkplus.github.io/ Cilk Plus/LLVM]
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*[https://github.com/dotnet/llilc LLILC] is an LLVM based MSIL Compiler
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*[https://github.com/Evian-Zhang/llvm-ir-tutorial LLVM IR入门指南]
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*[https://github.com/emscripten-core/emscripten Emscripten] An LLVM-to-[[WebAssembly]] [[Compiler]]
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*[https://dragonegg.llvm.org/ DragonEgg] Using LLVM as a [[GCC]] backend
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*[https://github.com/klee/klee KLEE Symbolic Execution Engine]
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*[https://lfortran.org/ LFortran] Modern interactive LLVM-based [[Fortran]] [[compiler]]
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*[https://github.com/vellvm Vellvm] Verifying the LLVM
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*[https://www.mingw-w64.org/ ＭinGW-w64]
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*[https://llvm.org/ProjectsWithLLVM/ Projects built with LLVM]
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==文档==
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*[http://docs.huihoo.com/bsdcan/2008/LLVM-and-Clang-Next-Generation-Compiler-Technology.pdf LLVM and Clang: Next Generation Compiler Technology]
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*[https://papers.freebsd.org/2019/fosdem/bennett-riscv_llvm/ Embedded FreeBSD on a five-core RISC-V processor using LLVM]
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*[https://github.com/zy445566/llvm-guide-zh LLVM 入门教程]
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==图集==
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<gallery>
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image:LLVM-New-Logo.png|new logo
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image:dragonegg.png|DragonEgg
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image:LLVM-Primer.png|LLVM Primer
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image:llvm-c-cpp-compiler.png|LLVM
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image:triton-architecture.png|Triton
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</gallery>
  
 
==链接==
 
==链接==
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*http://llvm.org/
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*[http://llvm.org/ LLVM官网]
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*[https://github.com/llvm LLVM @ GitHub]
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*[http://docs.huihoo.com/llvm/ LLVM开放文档]
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*[http://docs.huihoo.com/doxygen/llvm/20140918/ LLVM API Documentation]
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*[http://geek.csdn.net/news/detail/37785 为什么人人都该懂点LLVM]
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*[http://www.infoq.com/cn/news/2017/05/azul-falcon Azul Systems推出Falcon，一个基于LLVM的新的Java即时编译器]
  
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[[category:LLVM]]
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[[category:linux]]
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[[category:FreeBSD]]
 
[[category:iOS]]
 
[[category:iOS]]
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[[category:Mac OS X]]
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[[category:OS X]]
 
[[category:compiler]]
 
[[category:compiler]]
 
[[category:c++]]
 
[[category:c++]]

2024年10月26日 (六) 15:48的最后版本

Wikipedia-35x35.png 您可以在Wikipedia上了解到此条目的英文信息 LLVM Thanks, Wikipedia.

LLVM

DragonSmall.png
LLVM-Logo-Derivative-1.png
LLVM-Logo-Derivative-4.png

目录

[编辑] 简介

LLVM（Low Level Virtual Machine）底层虚拟机，是一个开源(BSD)编译器的基础设施，使用C++编写。它是为了任意一种编程语言写成的程序，利用虚拟技术，创造出编译时，链结时，运行时以及“闲置时”的最佳化。它最早是以 C/C++为处理对象，目前它支持了包括Objective-C, Fortran, Ada, Haskell, Java bytecode, Python, Ruby, ActionScript, GLSL以及其他语言。

LLVM 采用 University of Illinois/NCSA Open Source License, or UIUC 许可证，基于MIT/X11 license and the 3-clause BSD license，兼容GPL。

Llvm-three-phase-design.png

[编辑] 新闻

[编辑] 版本

  • 13
  • 12
  • 11

[编辑] C/C++

[编辑] 功能

The LLVM compiler system for C and C++ includes the following:

  • Front-ends for C, C++, Objective-C, Fortran, etc based on the GCC 4.2 parsers. They support the ANSI-standard C and C++ languages to the same degree that GCC supports them. Additionally, many GCC extensions are supported.
  • A stable implementation of the LLVM instruction set, which serves as both the online and offline code representation, together with assembly (ASCII) and bytecode (binary) readers and writers, and a verifier.
  • A powerful pass-management system that automatically sequences passes (including analysis, transformation, and code-generation passes) based on their dependences, and pipelines them for efficiency.
  • A wide range of global scalar optimizations.
  • A link-time interprocedural optimization framework with a rich set of analyses and transformations, including sophisticated whole-program pointer analysis, call graph construction, and support for profile-guided optimizations.
  • An easily retargettable code generator, which currently supports X86, X86-64, PowerPC, PowerPC-64, ARM, Thumb, SPARC, Alpha, and IA-64.
  • A Just-In-Time (JIT) code generation system, which currently supports X86, X86-64, PowerPC and PowerPC-64.
  • Support for generating DWARF debugging information.
  • A C back-end useful for testing and for generating native code on targets other than the ones listed above.
  • A profiling system similar to gprof.
  • A test framework with a number of benchmark codes and applications.
  • APIs and debugging tools to simplify rapid development of LLVM components.

[编辑] 指南

[编辑] Debian

LLVM Debian/Ubuntu nightly packages

安装完，符号链接下。 

sudo ln -s /usr/bin/clang-13 /usr/bin/clang
sudo ln -s /usr/bin/clang++-13 /usr/bin/clang++
clang --version

[编辑] macOS

port search llvm
sudo port install llvm-3.3

[编辑] 项目

LLVM
Vellvm
ＭinGW-w64

[编辑] 文档

[编辑] 图集

  • new logo

  • DragonEgg

  • LLVM Primer

  • LLVM

  • Triton

[编辑] 链接

来自“http://wiki.huihoo.com/wiki/?title=LLVM&oldid=167158”
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