[all-commits] [llvm/llvm-project] b4d328: AArch64: Add libcall impl declarations for __arm_s...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b4d3283ab79ceedc8819b36d8ce2f30dafb7c38e
      https://github.com/llvm/llvm-project/commit/b4d3283ab79ceedc8819b36d8ce2f30dafb7c38e
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-06-27 (Fri, 27 Jun 2025)

  Changed paths:
    M llvm/include/llvm/IR/RuntimeLibcalls.td
    M llvm/lib/IR/RuntimeLibcalls.cpp
    M llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
    M llvm/test/CodeGen/AArch64/arm64ec-builtins.ll

  Log Message:
  -----------
  AArch64: Add libcall impl declarations for __arm_sc* memory functions (#144977)

These were bypassing the ordinary libcall emission mechanism. Make sure
we have entries in RuntimeLibcalls, which should include all possible
calls the compiler could emit.

Fixes not emitting the # prefix in the arm64ec case.



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