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ISO C++ Committee Approves C++0x Final Draft

sabre Yay for C++'0B (375 comments)

Enough said!


more than 3 years ago

GCC Compiler Finally Supplanted by PCC?

sabre Re:LLVM / clang (546 comments)

clang is fairly early on, but so is PCC. PCC supports almost no GCC extensions (e.g. inline asm, attributes, etc), doesn't support C99 fully, and has many other problems. The clang parser is basically done for C and clang has support for several other source analysis tools other than "just code generation". See the slides linked of http://clang.llvm.org/ for details. I'd expect clang to be fully ready for C use in the next year.

llvm-gcc is quite mature (it has built huge amounts of code, including apps like Qt and Mozilla), supports C/C++/ObjC and bits of FORTRAN/Ada if that is your thing. Using llvm-gcc you get the advantages of the LLVM optimizer and code generator with the GCC front-end.


more than 7 years ago



Kaleidoscope: Implementing a Language with LLVM

sabre sabre writes  |  more than 7 years ago

sabre writes "The LLVM Compiler System is being used for all sorts of interesting things these days. It basically provides an extremely modular and easy to use set of open source (BSD-licensed) compiler libraries that can be used to build various applications from. Despite this, many people don't really understand it, and are scared away by the breadth of the project or by compilers in general.

The Kaleidoscope tutorial starts out from scratch and slowly builds up a simple language to show how LLVM can help out with this. We end up with a JIT compiler for a fairly interesting little language with less than 700 lines of code. Of course, this is just the tip of the iceberg, once you start with LLVM, there are all sorts of things you can do."

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