[all-commits] [llvm/llvm-project] fe62ed: [NVPTX] Add support for ldmatrix extensions introd...

[Dharuni R Acharya via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fe62ed5134de05e1ac19ce914b15797c95eee0dd
      https://github.com/llvm/llvm-project/commit/fe62ed5134de05e1ac19ce914b15797c95eee0dd
  Author: Dharuni R Acharya <125176188+DharuniRAcharya at users.noreply.github.com>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M llvm/include/llvm/IR/IntrinsicsNVVM.td
    M llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
    M llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
    M llvm/lib/Target/NVPTX/NVPTXIntrinsics.td
    A llvm/test/CodeGen/NVPTX/wmma-ptx94-sm100f.py
    A llvm/test/CodeGen/NVPTX/wmma-ptx94-sm110f.py
    A llvm/test/CodeGen/NVPTX/wmma-ptx94-sm120f.py
    A llvm/test/CodeGen/NVPTX/wmma-ptx94-sm90a.py
    M llvm/test/CodeGen/NVPTX/wmma.py

  Log Message:
  -----------
  [NVPTX] Add support for ldmatrix extensions introduced in PTX 9.4 (#224264)

This patch adds support for `.s8.s4` types for `ldmatrix` instruction 
for `.m8n16` shape introduced in PTX 9.4.

PTX ISA Reference:
https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#warp-level-matrix-instructions-ldmatrix

---------

Signed-off-by: DharuniRAcharya <dharunira at nvidia.com>



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