X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=Report%2FMain%2FContext%2FLLVM.tex;h=0ba81fbd9bd9da60bcf49520df0a92efd4c5720f;hb=8a42b79a08ff544b66a1c7e3fc5e37fdfe64de5b;hp=0f913961572b01ff160a0a543fd5cd94a9c29cd7;hpb=c61a317774bdb28a0ced8e89ffe6e739cf1252a0;p=matthijs%2Fprojects%2Finternship.git diff --git a/Report/Main/Context/LLVM.tex b/Report/Main/Context/LLVM.tex index 0f91396..0ba81fb 100644 --- a/Report/Main/Context/LLVM.tex +++ b/Report/Main/Context/LLVM.tex @@ -1,9 +1,10 @@ \section{Low Level Virtual Machine} +\label{LLVM} The Low Level Virtual Machine project (LLVM, \cite{LLVM}, \cite{Lattner:MSThesis02}) is a framework for compiler construction. It provides its own intermediate representation, the LLVM IR. This is a simple language that can be used to -expres any program in a static single assignment (SSA) form that is easy to -reason with and transform. +express any program in a static single assignment (SSA) form that is easy to +reason with and apply transformations to. Additionally, LLVM provides a host of libraries to work with this IR. There is code for: @@ -15,6 +16,11 @@ code for: \end{itemize} In addition, the LLVM project provides two frontends for generating LLVM IR: -llvm-gcc, which uses gcc to compile a lot of languages with a LLVM backend (from -the gcc point of view) and clang, which is a completely new project designed to +llvm-gcc, which uses gcc to compile a lot of languages with an LLVM backend (from +the gcc point of view) and Clang, which is a completely new project designed to parse and emit LLVM IR for all c-like languages (C, ObjC, C++). + +From the LLVM project, we use a number of parts. In section \ref{MontiumC}, we +saw that Clang frontend is used directly in the Montium frontend. Also, a lot of +transformations from the LLVM project are used. Lastly, a number of small +library functions and components are used in the frontend.