CVS commit: wip/llvm

[Adam Hoka <hoka_adam%users.sourceforge.net@localhost>]

Module name:    wip
Committed by:   hoka_adam
Date:           Fri Jan 18 16:27:15 UTC 2008

Import into wip/llvm

Log Message:
Low Level Virtual Machine (LLVM) is:

A compilation strategy designed to enable effective program optimization across 
the entire lifetime of a program. LLVM supports effective optimization at 
compile time, link-time (particularly interprocedural), run-time and offline 
(i.e., after software is installed), while remaining transparent to developers 
and maintaining compatibility with existing build scripts.

A virtual instruction set - LLVM is a low-level object code representation that 
uses simple RISC-like instructions, but provides rich, language-independent, 
type information and dataflow (SSA) information about operands. This 
combination enables sophisticated transformations on object code, while 
remaining light-weight enough to be attached to the executable. This 
combination is key to allowing link-time, run-time, and offline transformations.

A compiler infrastructure - LLVM is also a collection of source code that 
implements the language and compilation strategy. The primary components of the 
LLVM infrastructure are a GCC-based C & C++ front-end, a link-time optimization 
framework with a growing set of global and interprocedural analyses and 
transformations, static back-ends for the X86, X86-64, PowerPC 32/64, ARM, 
Thumb, IA-64, Alpha and SPARC architectures, a back-end which emits portable C 
code, and a Just-In-Time compiler for X86, X86-64, PowerPC 32/64 processors. 

LLVM does not imply things that you would expect from a high-level virtual 
machine. It does not require garbage collection or run-time code generation (In 
fact, LLVM makes a great static compiler!). Note that optional LLVM components 
can be used to build high-level virtual machines and other systems that need 
these services.

Status:

Vendor Tag:     HOKA_ADAM
Release Tags:   HOKA_ADAM_20080118
                
N wip/llvm/PLIST
N wip/llvm/Makefile
N wip/llvm/DESCR
N wip/llvm/buildlink3.mk
N wip/llvm/distinfo
N wip/llvm/patches/patch-ab
N wip/llvm/patches/patch-aa

No conflicts created by this import


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