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Add a new LiveInterval::overlaps(). It checks if the live interval overlaps a range specified by [Start, End).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69434 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-04-18 08:52:15 +00:00
parent 0bd07fc5dd
commit cccdb2b602
2 changed files with 20 additions and 0 deletions
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include/llvm/CodeGen/LiveInterval.h
+4
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@@ -379,6 +379,10 @@ namespace llvm {
return overlapsFrom(other, other.begin());
}
/// overlaps - Return true if the live interval overlaps a range specified
/// by [Start, End).
bool overlaps(unsigned Start, unsigned End) const;
/// overlapsFrom - Return true if the intersection of the two live intervals
/// is not empty. The specified iterator is a hint that we can begin
/// scanning the Other interval starting at I.