New helper method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15138 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveInterval.h b/lib/CodeGen/LiveInterval.h
index d25f7e3..7d4c23b 100644
--- a/lib/CodeGen/LiveInterval.h
+++ b/lib/CodeGen/LiveInterval.h
@@ -36,13 +36,19 @@
assert(S < E && "Cannot create empty or backwards range");
}
+ /// contains - Return true if the index is covered by this range.
+ ///
+ bool contains(unsigned I) const {
+ return start <= I && I < end;
+ }
+
bool operator<(const LiveRange &LR) const {
return start < LR.start || (start == LR.start && end < LR.end);
}
bool operator==(const LiveRange &LR) const {
return start == LR.start && end == LR.end;
}
- private:
+ private:
LiveRange(); // DO NOT IMPLEMENT
};
std::ostream& operator<<(std::ostream& os, const LiveRange &LR);