[all-commits] [llvm/llvm-project] 4d0a30: [NVPTX] Promote internal function alignments in IR...

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4d0a3021c01e15c473e6a515dc8498fb190e3709
      https://github.com/llvm/llvm-project/commit/4d0a3021c01e15c473e6a515dc8498fb190e3709
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2026-07-14 (Tue, 14 Jul 2026)

  Changed paths:
    M llvm/lib/Target/NVPTX/CMakeLists.txt
    M llvm/lib/Target/NVPTX/NVPTX.h
    M llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
    M llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
    M llvm/lib/Target/NVPTX/NVPTXPassRegistry.def
    A llvm/lib/Target/NVPTX/NVPTXPromoteParamAlign.cpp
    R llvm/lib/Target/NVPTX/NVPTXSetByValParamAlign.cpp
    M llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp
    M llvm/lib/Target/NVPTX/NVPTXUtilities.cpp
    M llvm/lib/Target/NVPTX/NVPTXUtilities.h
    A llvm/test/CodeGen/NVPTX/promote-param-align.ll
    R llvm/test/CodeGen/NVPTX/set-byval-param-align.ll
    M llvm/utils/gn/secondary/llvm/lib/Target/NVPTX/BUILD.gn

  Log Message:
  -----------
  [NVPTX] Promote internal function alignments in IR pass (#208040)

During lowering NVPTX will update the alignment of parameters and return
values if the function is internal and has only compatible direct calls.
Previously this happened within the alignment helper functions during
ISel and assembly printing making it opaque and unreliable. This change
moves that logic to an IR pass so that it can be inspected and disabled
more easily.



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