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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69434 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index c75d5947b9..00b51a16f1 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -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.