[all-commits] [llvm/llvm-project] 2772d7: [NVPTX][NFC] Precommit test showing memmove removal

[Johannes Doerfert via All-commits]

  Branch: refs/heads/users/jdoerfert/nvptx_fix
  Home:   https://github.com/llvm/llvm-project
  Commit: 2772d7e23ed5ca245f5fa162b2fe51bc3f72dd87
      https://github.com/llvm/llvm-project/commit/2772d7e23ed5ca245f5fa162b2fe51bc3f72dd87
  Author: Johannes Doerfert <jdoerfert.llvm at gmail.com>
  Date:   2026-05-29 (Fri, 29 May 2026)

  Changed paths:
    A llvm/test/CodeGen/NVPTX/lower-aggr-copies-shared.ll

  Log Message:
  -----------
  [NVPTX][NFC] Precommit test showing memmove removal

The memmoves are removed, not lowered into loops, because of the AS
mismatch.


  Commit: 7f9a6c51b4fda42dbf0123ac821b7e3b56b26e9e
      https://github.com/llvm/llvm-project/commit/7f9a6c51b4fda42dbf0123ac821b7e3b56b26e9e
  Author: Johannes Doerfert <jdoerfert.llvm at gmail.com>
  Date:   2026-05-29 (Fri, 29 May 2026)

  Changed paths:
    M llvm/lib/Target/NVPTX/NVPTXLowerAggrCopies.cpp
    M llvm/test/CodeGen/NVPTX/lower-aggr-copies-shared.ll

  Log Message:
  -----------
  [NVPTX][FIX] Ensure memmove are kept if not lowered to loops

Memmove lowering can fail, so we cannot unconditionally remove the
intrinsic.

Issue found by Robert Imschweiler <robert.imschweiler at amd.com>


Compare: https://github.com/llvm/llvm-project/compare/2772d7e23ed5%5E...7f9a6c51b4fd

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