[all-commits] [llvm/llvm-project] ab1f6c: [IR][SDAG] Remove lifetime size handling from SDAG...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ab1f6ce482487d0f276159a57775c0b3917da6ec
      https://github.com/llvm/llvm-project/commit/ab1f6ce482487d0f276159a57775c0b3917da6ec
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2025-07-29 (Tue, 29 Jul 2025)

  Changed paths:
    M llvm/docs/LangRef.rst
    M llvm/include/llvm/CodeGen/SelectionDAG.h
    M llvm/include/llvm/CodeGen/SelectionDAGNodes.h
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
    M llvm/test/CodeGen/X86/swap.ll

  Log Message:
  -----------
  [IR][SDAG] Remove lifetime size handling from SDAG (#150944)

Split out from https://github.com/llvm/llvm-project/pull/150248:

Specify that the argument of lifetime.start/lifetime.end is ignored and
will be removed in the future.

Remove lifetime size handling from SDAG. The size was previously
discarded during isel, so was always ignored for stack coloring anyway.
Where necessary, obtain the size of the full frame index.



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