[PATCH] MachineFrameInfo: Simplify pristine register calculation.
qcolombet at apple.com
Thu May 28 16:44:18 PDT 2015
> On May 28, 2015, at 4:16 PM, Matthias Braun <matze at braunis.de> wrote:
> Thanks for the review.
> I think heads-up message is not necessary: The previous semantics just allowed us to have fewer registers in the live-in sets in theory. There is no change for code that does not rely on live-in sets.
For in-tree yes, but we do not know for out-of-tree.
I just want to make sure we do not catch by surprise any out-of-tree target maintainer.
The semantic change is subtle.
> For code relying on the live-in sets we won't have a change as well because the live-in sets are not changed by this commit.
> rL LLVM
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