[NVPTX] Update the usage document

[oota-llvm.git] / docs / ReleaseNotes.rst

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index a12aaa29fc4b3682d654b98255456769b46d3b10..f67ebf0e4c7a06d5db4cec16b65a956de7163fda 100644 (file)
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -41,6 +41,20 @@ 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.
 
+* This is expected to be the last release of LLVM which compiles using a C++98
+  toolchain. We expect to start using some C++11 features in LLVM and other
+  sub-projects starting after this release. That said, we are committed to
+  supporting a reasonable set of modern C++ toolchains as the host compiler on
+  all of the platforms. This will at least include Visual Studio 2012 on
+  Windows, and Clang 3.1 or GCC 4.7.x on Mac and Linux. The final set of
+  compilers (and the C++11 features they support) is not set in stone, but we
+  wanted users of LLVM to have a heads up that the next release will involve
+  a substantial change in the host toolchain requirements.
+
+* The regression tests now fail if any command in a pipe fails. To disable it in
+  a directory, just add ``config.pipefail = False`` to its ``lit.local.cfg``.
+  See :doc:`Lit <CommandGuide/lit>` for the details.
+
 * Support for exception handling has been removed from the old JIT. Use MCJIT
   if you need EH support.
 
@@ -50,6 +64,25 @@ Non-comprehensive list of changes in this release
   APFloat::isIEEENormal() was renamed to APFloat::isNormal(). This ensures that
   APFloat::isNormal() conforms to IEEE-754R-2008.
 
+* The library call simplification pass has been removed.  Its functionality
+  has been integrated into the instruction combiner and function attribute
+  marking passes.
+
+* Support for building using Visual Studio 2008 has been dropped. Use VS 2010
+  or later instead. For more information, see the `Getting Started using Visual
+  Studio <GettingStartedVS.html>`_ page.
+
+* The Loop Vectorizer that was previously enabled for -O3 is now enabled for
+  -Os and -O2.
+
+* The new SLP Vectorizer is now enabled by default.
+
+* llvm-ar now uses the new Object library and produces archives and
+  symbol tables in the gnu format.
+
+* FileCheck now allows specifing -check-prefix multiple times. This
+  helps reduce duplicate check lines when using multiple RUN lines.
+
 * ... next change ...
 
 .. NOTE
@@ -71,6 +104,21 @@ a lot of other language and tools projects. This section lists some of the
 projects that have already been updated to work with LLVM 3.4.
 
 
+LDC - the LLVM-based D compiler
+-------------------------------
+
+`D <http://dlang.org>`_ is a language with C-like syntax and static typing. It
+pragmatically combines efficiency, control, and modeling power, with safety and
+programmer productivity. D supports powerful concepts like Compile-Time Function
+Execution (CTFE) and Template Meta-Programming, provides an innovative approach
+to concurrency and offers many classical paradigms.
+
+`LDC <http://wiki.dlang.org/LDC>`_ uses the frontend from the reference compiler
+combined with LLVM as backend to produce efficient native code. LDC targets
+x86/x86_64 systems like Linux, OS X, FreeBSD and Windows and also Linux/PPC64.
+Ports to other architectures like ARM and AArch64 are underway.
+
+
 Additional Information
 ======================