diff --git a/lib/CodeGen/RegAlloc/LiveRange.h b/lib/CodeGen/RegAlloc/LiveRange.h
index 5f3e41bd152..994824b214b 100644
--- a/lib/CodeGen/RegAlloc/LiveRange.h
+++ b/lib/CodeGen/RegAlloc/LiveRange.h
@@ -92,6 +92,9 @@ public:
   inline void setCallInterference() { 
     doesSpanAcrossCalls = 1;
   }
+  inline void clearCallInterference() { 
+    doesSpanAcrossCalls = 0;
+  }
 
   inline bool isCallInterference() const { 
     return doesSpanAcrossCalls == 1; 
diff --git a/lib/Target/SparcV9/RegAlloc/LiveRange.h b/lib/Target/SparcV9/RegAlloc/LiveRange.h
index 5f3e41bd152..994824b214b 100644
--- a/lib/Target/SparcV9/RegAlloc/LiveRange.h
+++ b/lib/Target/SparcV9/RegAlloc/LiveRange.h
@@ -92,6 +92,9 @@ public:
   inline void setCallInterference() { 
     doesSpanAcrossCalls = 1;
   }
+  inline void clearCallInterference() { 
+    doesSpanAcrossCalls = 0;
+  }
 
   inline bool isCallInterference() const { 
     return doesSpanAcrossCalls == 1;