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Revert "[amdgpu] Default to code object v3"

This reverts commit 4b2e7d0215021d0d1df1a6319884b21d33936265.
Breaks check-clang, see https://reviews.llvm.org/D93258#2453600
This commit is contained in:
Nico Weber 2020-12-14 21:59:51 -05:00
parent 8f2e4bf3b0
commit d107b74361

View File

@ -911,12 +911,12 @@ The AMDGPU backend uses the following ELF header:
* ``ELFABIVERSION_AMDGPU_HSA_V3`` is used to specify the version of AMD HSA
runtime ABI for code object V3. Specify using the Clang option
``-mcode-object-version=3``. This is the default code object
version if not specified.
``-mcode-object-version=3``.
* ``ELFABIVERSION_AMDGPU_HSA_V4`` is used to specify the version of AMD HSA
runtime ABI for code object V4. Specify using the Clang option
``-mcode-object-version=4``.
``-mcode-object-version=4``. This is the default code object
version if not specified.
* ``ELFABIVERSION_AMDGPU_PAL`` is used to specify the version of AMD PAL
runtime ABI.
@ -2871,6 +2871,10 @@ non-AMD key names should be prefixed by "*vendor-name*.".
Code Object V3 Metadata
+++++++++++++++++++++++
.. warning::
Code object V3 is not the default code object version emitted by this version
of LLVM.
Code object V3 to V4 metadata is specified by the ``NT_AMDGPU_METADATA`` note
record (see :ref:`amdgpu-note-records-v3-v4`).
@ -3275,10 +3279,6 @@ same *vendor-name*.
Code Object V4 Metadata
+++++++++++++++++++++++
.. warning::
Code object V4 is not the default code object version emitted by this version
of LLVM.
Code object V4 metadata is the same as
:ref:`amdgpu-amdhsa-code-object-metadata-v3` with the changes and additions
defined in table :ref:`amdgpu-amdhsa-code-object-metadata-map-table-v3`.