X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=docs%2FReleaseNotes.rst;h=f43190fdd8e69fe6746b6dc2ac81c6a6ad947954;hp=75dcf190c90cbadca09aaa6d480c23c3f41551d7;hb=50005f6837d1b7fb2b885e062d1077d21110b07a;hpb=87c6157ff654494774bfd8bbd183998534ff858a diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst index 75dcf190c90..f43190fdd8e 100644 --- a/docs/ReleaseNotes.rst +++ b/docs/ReleaseNotes.rst @@ -1,13 +1,13 @@ ====================== -LLVM 3.3 Release Notes +LLVM 3.8 Release Notes ====================== .. contents:: :local: .. warning:: - These are in-progress notes for the upcoming LLVM 3.3 release. You may - prefer the `LLVM 3.2 Release Notes `_. @@ -15,7 +15,7 @@ Introduction ============ This document contains the release notes for the LLVM Compiler Infrastructure, -release 3.3. Here we describe the status of LLVM, including major improvements +release 3.8. Here we describe the status of LLVM, including major improvements from the previous release, improvements in various subprojects of LLVM, and some of the current users of the code. All LLVM releases may be downloaded from the `LLVM releases web site `_. @@ -23,7 +23,7 @@ from the `LLVM releases web site `_. For more information about LLVM, including information about the latest release, please check out the `main LLVM web site `_. If you have questions or comments, the `LLVM Developer's Mailing List -`_ is a good place to send +`_ is a good place to send them. Note that if you are reading this file from a Subversion checkout or the main @@ -33,6 +33,24 @@ page `_. Non-comprehensive list of changes in this release ================================================= +* With this release, the minimum Windows version required for running LLVM is + Windows 7. Earlier versions, including Windows Vista and XP are no longer + supported. + +* With this release, the autoconf build system is deprecated. It will be removed + in the 3.9 release. Please migrate to using CMake. For more information see: + `Building LLVM with CMake `_ + +* The C API function LLVMLinkModules is deprecated. It will be removed in the + 3.9 release. Please migrate to LLVMLinkModules2. Unlike the old function the + new one + + * Doesn't take an unused parameter. + * Destroys the source instead of only damaging it. + * Does not record a message. Use the diagnostic handler instead. + +* The deprecated C APIs LLVMGetBitcodeModuleProviderInContext and + LLVMGetBitcodeModuleProvider have been removed. .. NOTE For small 1-3 sentence descriptions, just add an entry at the end of @@ -41,32 +59,6 @@ Non-comprehensive list of changes in this release functionality, or simply have a lot to talk about), see the `NOTE` below for adding a new subsection. -* The CellSPU port has been removed. It can still be found in older versions. - -* The IR-level extended linker APIs (for example, to link bitcode files out of - archives) have been removed. Any existing clients of these features should - move to using a linker with integrated LTO support. - -* LLVM and Clang's documentation has been migrated to the `Sphinx - `_ documentation generation system which uses - easy-to-write reStructuredText. See `llvm/docs/README.txt` for more - information. - - Loop Vectorizer - --------------- - We've continued the work on the loop vectorizer. The loop vectorizer now has the following features: - # Loops with unknown trip count. - # Runtime checks of pointers - # Reductions, Inductions - # If Conversion - # Pointer induction variables - # Reverse iterators - # Vectorization of mixed types - # Vectorization of function calls - # Partial unrolling during vectorization - - We've also improved the X86 and ARM cost model. - * ... next change ... .. NOTE @@ -79,6 +71,43 @@ Non-comprehensive list of changes in this release Makes programs 10x faster by doing Special New Thing. +Changes to the ARM Backend +-------------------------- + + During this release ... + + +Changes to the MIPS Target +-------------------------- + + During this release ... + + +Changes to the PowerPC Target +----------------------------- + + During this release ... + + +Changes to the OCaml bindings +----------------------------- + + During this release ... + +* The ocaml function link_modules has been replaced with link_modules' which + uses LLVMLinkModules2. + + +External Open Source Projects Using LLVM 3.8 +============================================ + +An exciting aspect of LLVM is that it is used as an enabling technology for +a lot of other language and tools projects. This section lists some of the +projects that have already been updated to work with LLVM 3.8. + +* A project + + Additional Information ======================