[PATCH] D87369: [MC] [Win64EH] Write packed ARM64 epilogs if possible

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo created this revision.
mstorsjo added reviewers: efriedma, ssijaric, TomTan, rnk.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.
mstorsjo requested review of this revision.

This gives a pretty substantial size reduction; for a 6.5 MB DLL with 300 KB .xdata, the .xdata shrinks by 66 KB.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87369

Files:
  llvm/include/llvm/MC/MCWinEH.h
  llvm/lib/MC/MCWin64EH.cpp
  llvm/test/CodeGen/AArch64/wineh3.mir
  llvm/test/CodeGen/AArch64/wineh6.mir
  llvm/test/CodeGen/AArch64/wineh7.mir
  llvm/test/MC/AArch64/seh-packed-epilog.s
  llvm/test/MC/AArch64/seh.s

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