[PATCH] MachineFrameInfo: Simplify pristine register calculation.
qcolombet at apple.com
Thu May 28 15:04:47 PDT 2015
> It's also unnecessary because the prologue epilogue inserters already mark callee-save registers that are saved/restores properly in the respective blocks in the prologue/epilogue.
This assumes that everybody uses the live-in information.
That being said, the new semantic works for me. Just make sure to send a “Heads-up” email to llvm-dev to emphasize the change for out-of-tree targets.
The bottom line LGTM.
More information about the llvm-commits