[all-commits] [llvm/llvm-project] b6d82d: [ExpandVariadics] Expand vaarg instructions (#201156)

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b6d82d2ff0c3271ff32077576bbe618d5448a6d8
      https://github.com/llvm/llvm-project/commit/b6d82d2ff0c3271ff32077576bbe618d5448a6d8
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2026-06-04 (Thu, 04 Jun 2026)

  Changed paths:
    M llvm/lib/Transforms/IPO/ExpandVariadics.cpp
    M llvm/test/CodeGen/NVPTX/vaargs.ll

  Log Message:
  -----------
  [ExpandVariadics] Expand vaarg instructions (#201156)

Expand vaarg instructions within ExpandVariadics (Clang generally does
not emit these instructions but other front-ends may). This pass already
has all the necessary information to expand these instructions and doing
this in IR as part of this pass is simpler than lowering these
instructions during ISel after type legalization. This fixed a
type-mismatch bug in NVPTX.



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