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LLVM

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{{SeeWikipedia|Low Level Virtual Machine}}
 
{{SeeWikipedia|Low Level Virtual Machine}}
  
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LLVM
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[[文件:LLVM-Primer.png|right]]
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[[image:llvm-c-cpp-compiler.png|LLVM]]
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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。
  
[[文件:llvm-three-phase-design.png]] [[image:llvm-c-cpp-compiler.png|LLVM]]
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[[文件:llvm-three-phase-design.png]]  
  
 
==新闻==
 
==新闻==
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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]
 
*[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]]

2021年12月5日 (日) 11:29的版本

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

LLVM

LLVM-Primer.png

LLVM

目录

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-three-phase-design.png

新闻

简介

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。

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.

安装

port search llvm
sudo port install llvm-3.3

项目

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