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064cc1a22c
This patch adds a pipeline to support in-order CPUs such as ARM Cortex-A55. In-order pipeline implements a simplified version of Dispatch, Scheduler and Execute stages as a single stage. Entry and Retire stages are common for both in-order and out-of-order pipelines. Differential Revision: https://reviews.llvm.org/D94928
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=========================
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LLVM 13.0.0 Release Notes
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=========================
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.. contents::
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:local:
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.. warning::
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These are in-progress notes for the upcoming LLVM 13 release.
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Release notes for previous releases can be found on
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`the Download Page <https://releases.llvm.org/download.html>`_.
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Introduction
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============
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This document contains the release notes for the LLVM Compiler Infrastructure,
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release 13.0.0. Here we describe the status of LLVM, including major improvements
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from the previous release, improvements in various subprojects of LLVM, and
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some of the current users of the code. All LLVM releases may be downloaded
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from the `LLVM releases web site <https://llvm.org/releases/>`_.
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For more information about LLVM, including information about the latest
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release, please check out the `main LLVM web site <https://llvm.org/>`_. If you
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have questions or comments, the `LLVM Developer's Mailing List
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<https://lists.llvm.org/mailman/listinfo/llvm-dev>`_ is a good place to send
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them.
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Note that if you are reading this file from a Git checkout or the main
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LLVM web page, this document applies to the *next* release, not the current
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one. To see the release notes for a specific release, please see the `releases
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page <https://llvm.org/releases/>`_.
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Non-comprehensive list of changes in this release
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=================================================
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.. NOTE
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For small 1-3 sentence descriptions, just add an entry at the end of
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this list. If your description won't fit comfortably in one bullet
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point (e.g. maybe you would like to give an example of the
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functionality, or simply have a lot to talk about), see the `NOTE` below
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for adding a new subsection.
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.. NOTE
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If you would like to document a larger change, then you can add a
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subsection about it right here. You can copy the following boilerplate
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and un-indent it (the indentation causes it to be inside this comment).
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Special New Feature
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-------------------
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Makes programs 10x faster by doing Special New Thing.
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* Windows Control-flow Enforcement Technology: the ``-ehcontguard`` option now
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emits valid unwind entrypoints which are validated when the context is being
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set during exception handling.
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Changes to the LLVM IR
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----------------------
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* ...
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Changes to building LLVM
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------------------------
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Changes to TableGen
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-------------------
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Changes to the ARM Backend
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--------------------------
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During this release ...
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Changes to the MIPS Target
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--------------------------
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During this release ...
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Changes to the PowerPC Target
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-----------------------------
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During this release ...
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Changes to the X86 Target
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-------------------------
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During this release ...
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Changes to the AMDGPU Target
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-----------------------------
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During this release ...
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Changes to the AVR Target
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-----------------------------
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During this release ...
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Changes to the WebAssembly Target
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---------------------------------
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During this release ...
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Changes to the OCaml bindings
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-----------------------------
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Changes to the C API
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--------------------
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Changes to the Go bindings
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--------------------------
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Changes to the DAG infrastructure
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---------------------------------
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Changes to the Debug Info
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---------------------------------
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During this release ...
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Changes to the LLVM tools
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---------------------------------
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* The options ``--build-id-link-{dir,input,output}`` have been deleted.
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(`D96310 <https://reviews.llvm.org/D96310>`_)
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* Support for in-order processors has been added to ``llvm-mca``.
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(`D94928 <https://reviews.llvm.org/D94928>`_)
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Changes to LLDB
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---------------------------------
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Changes to Sanitizers
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---------------------
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External Open Source Projects Using LLVM 13
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===========================================
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* A project...
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Additional Information
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======================
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A wide variety of additional information is available on the `LLVM web page
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<https://llvm.org/>`_, in particular in the `documentation
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<https://llvm.org/docs/>`_ section. The web page also contains versions of the
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API documentation which is up-to-date with the Git version of the source
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code. You can access versions of these documents specific to this release by
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going into the ``llvm/docs/`` directory in the LLVM tree.
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If you have any questions or comments about LLVM, please feel free to contact
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us via the `mailing lists <https://llvm.org/docs/#mailing-lists>`_.
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