[PATCH] D16732: [AArch64] Simplify callee-save register save/restore. NFC.

[Geoff Berry via llvm-commits]

gberry created this revision.
gberry added reviewers: mcrosier, jmolloy, t.p.northover.
gberry added a subscriber: llvm-commits.
Herald added subscribers: mcrosier, rengolin, aemerson.

Simplify callee-save register save/restore code generation by
remembering the size of the callee-save area when it is computed so we
don't have to scan the prologue/epilogue instructions again later to
reconstruct it.

This is intended to simplify follow-on changes that reduce the number of
registers saved/restored.

http://reviews.llvm.org/D16732

Files:
  lib/Target/AArch64/AArch64FrameLowering.cpp
  lib/Target/AArch64/AArch64MachineFunctionInfo.h

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