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Add a trivial virtual dtor to AbstractRegisterDescription to appease

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-Wnon-virtual-dtor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118616 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Beaumont-Gay 2010-11-09 19:56:25 +00:00
parent 4a53f37a1a
commit e33daaaaf9
1 changed files with 11 additions and 0 deletions
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11
lib/CodeGen/LiveIntervalUnion.h
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@ -66,6 +66,17 @@ inline bool overlap(const LiveRange &lvrSeg, const LiveSegment &liuSeg) {
return lvrSeg.start < liuSeg.end && liuSeg.start < lvrSeg.end;
}
template <> struct isPodLike<LiveSegment> { static const bool value = true; };
raw_ostream& operator<<(raw_ostream& os, const LiveSegment &ls);
/// Abstraction to provide info for the representative register.
class AbstractRegisterDescription {
public:
virtual const char *getName(unsigned reg) const = 0;
virtual ~AbstractRegisterDescription() { }
};
/// Union of live intervals that are strong candidates for coalescing into a
/// single register (either physical or virtual depending on the context). We
/// expect the constituent live intervals to be disjoint, although we may