Importing rustc-1.56.0

Change-Id: I98941481270706fa55f8fb2cb91686ae3bd30f38

src/llvm-project/llvm/docs/AMDGPU/gfx90a_src_10.rst

diff --git a/src/llvm-project/llvm/docs/AMDGPU/gfx90a_src_10.rst b/src/llvm-project/llvm/docs/AMDGPU/gfx90a_src_10.rst
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+..
+    **************************************************
+    *                                                *
+    *   Automatically generated file, do not edit!   *
+    *                                                *
+    **************************************************
+
+.. _amdgpu_synid_gfx90a_src_10:
+
+src
+===
+
+Instruction input.
+
+*Size:* 8 dwords.
+
+*Operands:* :ref:`v<amdgpu_synid_v>`, :ref:`a<amdgpu_synid_a>`, :ref:`constant<amdgpu_synid_constant>`