Index: llvm/docs/AMDGPUUsage.rst
===================================================================
--- llvm/docs/AMDGPUUsage.rst
+++ llvm/docs/AMDGPUUsage.rst
@@ -11415,7 +11415,7 @@
 For more information about instructions, their semantics and supported
 combinations of operands, refer to one of instruction set architecture manuals
 [AMD-GCN-GFX6]_, [AMD-GCN-GFX7]_, [AMD-GCN-GFX8]_, [AMD-GCN-GFX9]_,
-[AMD-GCN-GFX10-RDNA1]_ and [AMD-GCN-GFX10-RDNA2]_.
+[AMD-GCN-GFX9-CDNA1]_, [AMD-GCN-GFX10-RDNA1]_ and [AMD-GCN-GFX10-RDNA2]_.
 
 Operands
 ~~~~~~~~
@@ -12158,6 +12158,7 @@
 .. [AMD-GCN-GFX7] `AMD Sea Islands Series ISA <http://developer.amd.com/wordpress/media/2013/07/AMD_Sea_Islands_Instruction_Set_Architecture.pdf>`_
 .. [AMD-GCN-GFX8] `AMD GCN3 Instruction Set Architecture <http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2013/12/AMD_GCN3_Instruction_Set_Architecture_rev1.1.pdf>`__
 .. [AMD-GCN-GFX9] `AMD "Vega" Instruction Set Architecture <http://developer.amd.com/wordpress/media/2013/12/Vega_Shader_ISA_28July2017.pdf>`__
+.. [AMD-GCN-GFX9-CDNA1] `AMD Instinct MI100/CDNA1 Shader Instruction Set Architecture <https://developer.amd.com/wp-content/resources/CDNA1_Shader_ISA_14December2020.pdf>`__
 .. [AMD-GCN-GFX10-RDNA1] `AMD "RDNA 1.0" Instruction Set Architecture <https://gpuopen.com/wp-content/uploads/2019/08/RDNA_Shader_ISA_5August2019.pdf>`__
 .. [AMD-GCN-GFX10-RDNA2] `AMD "RDNA 2" Instruction Set Architecture <https://developer.amd.com/wp-content/resources/RDNA2_Shader_ISA_November2020.pdf>`__
 .. [AMD-RADEON-HD-2000-3000] `AMD R6xx shader ISA <http://developer.amd.com/wordpress/media/2012/10/R600_Instruction_Set_Architecture.pdf>`__