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-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.h b/lib/CodeGen/LiveIntervalAnalysis.h
index dc1500867e..a78aed186f 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.h
+++ b/lib/CodeGen/LiveIntervalAnalysis.h
@@ -36,6 +36,7 @@ namespace llvm {
float weight; // weight of this interval:
// (number of uses *10^loopDepth)
Ranges ranges; // the ranges in which this register is live
+ bool isDefinedOnce; // True if there is one def of this register
explicit LiveInterval(unsigned r);