Jakob Stoklund Olesen d110e2a83f Reapply r146997, "Heed spill slot alignment on ARM." ...

Now that canRealignStack() understands frozen reserved registers, it is
safe to use it for aligned spill instructions.

It will only return true if the registers reserved at the beginning of
register allocation allow for dynamic stack realignment.

<rdar://problem/10625436>

llvm-svn: 147579

2012-01-05 00:26:57 +00:00

707 B

Raw Blame History

View Raw