[llvm] [LLVM][NVPTX] Add codegen support for tcgen05.{ld, st} instructions (PR #126740)

[Artem Belevich via llvm-commits]

================
@@ -1175,6 +1175,101 @@ For more information, refer to the PTX ISA
 `<https://docs.nvidia.com/cuda/parallel-thread-execution/#tensorcore-5th-generation-instructions-tcgen05-fence>`_.
 
 
+'``llvm.nvvm.tcgen05.ld.*``'
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Syntax:
+"""""""
+
+.. code-block:: llvm
+
+  declare <n x i32> @llvm.nvvm.tcgen05.ld.<shape>.<num>(ptr addrspace(6) %tmem_addr, i1 %pack)
+
+  declare <n x i32> @llvm.nvvm.tcgen05.ld.16x32bx2.<num>(ptr addrspace(6) %tmem_addr, i64 %offset, i1 %pack)
----------------
Artem-B wrote:

That's usually an indication that tablegen failed to figure out some implicit parameters, but whether it's fixable depends on the details. If you have that version of the patch, I can give it a try and see if I can spot anything.


https://github.com/llvm/llvm-project/pull/126740