[PATCH] D68990: Add option `-aarch64-stack-clear` which enables stack clearing on function exit

[Anton Afanasyev via Phabricator via llvm-commits]

anton-afanasyev created this revision.
Herald added subscribers: llvm-commits, hiraditya, kristof.beyls.
Herald added a project: LLVM.

This patch modifies `emitEpilog()` for AArch64, breaking `MachineBasicBlock`s from `RestoreBlocks` to two `MBB`s and adding stack clearing code before frame destroying.


https://reviews.llvm.org/D68990

Files:
  llvm/lib/Target/AArch64/AArch64FrameLowering.cpp

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