[all-commits] [llvm/llvm-project] 39a148: [AArch64] Skip storing of stack arguments when low...

[Guy David via All-commits]

  Branch: refs/heads/users/guy-david/tail-call
  Home:   https://github.com/llvm/llvm-project
  Commit: 39a148dadcbd71acafcf06be3543f53521c4f3fd
      https://github.com/llvm/llvm-project/commit/39a148dadcbd71acafcf06be3543f53521c4f3fd
  Author: Guy David <guyda96 at gmail.com>
  Date:   2025-06-04 (Wed, 04 Jun 2025)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/Utils.h
    M llvm/include/llvm/CodeGen/SelectionDAGNodes.h
    M llvm/lib/CodeGen/GlobalISel/Utils.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/GISel/AArch64CallLowering.cpp
    M llvm/test/CodeGen/AArch64/darwinpcs-tail.ll
    M llvm/test/CodeGen/AArch64/scavenge-large-call.ll
    M llvm/test/CodeGen/AArch64/sve-fixed-length-frame-offests-crash.ll
    A llvm/test/CodeGen/AArch64/tail-call-stack-args.ll

  Log Message:
  -----------
  [AArch64] Skip storing of stack arguments when lowering tail calls

When possible, do not emit trivial load and stores to the same offset on
the stack.



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