1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.h b/lib/CodeGen/LiveIntervalAnalysis.h
index 3769f07de7..24bc8956b3 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.h
+++ b/lib/CodeGen/LiveIntervalAnalysis.h
@@ -126,7 +126,10 @@ namespace llvm {
         };
 
         static unsigned getBaseIndex(unsigned index) {
-            return index - (index % 4);
+            return index - (index % InstrSlots::NUM);
+        }
+        static unsigned getBoundaryIndex(unsigned index) {
+            return getBaseIndex(index + InstrSlots::NUM - 1);
         }
         static unsigned getLoadIndex(unsigned index) {
             return getBaseIndex(index) + InstrSlots::LOAD;