X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLiveInterval.cpp;h=40f8cd4388d89bc65bc89358e06d8d74e4b481e0;hb=b0000c376cf13ed63306622ab9642cfae49f074a;hp=6341b9cd5071b44cbd212e80cb2d6af4069dbf11;hpb=5a3c6a87b0173b9d367f7b55e7c99e5110ede057;p=oota-llvm.git

diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 6341b9cd507..40f8cd4388d 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -591,7 +591,7 @@ void LiveInterval::MergeInClobberRanges(const LiveInterval &Clobbers,
 /// are found to be equivalent.  This eliminates V1, replacing all
 /// LiveRanges with the V1 value number with the V2 value number.  This can
 /// cause merging of V1/V2 values numbers and compaction of the value space.
-void LiveInterval::MergeValueNumberInto(VNInfo *V1, VNInfo *V2) {
+VNInfo* LiveInterval::MergeValueNumberInto(VNInfo *V1, VNInfo *V2) {
   assert(V1 != V2 && "Identical value#'s are always equivalent!");
 
   // This code actually merges the (numerically) larger value number into the
@@ -652,6 +652,8 @@ void LiveInterval::MergeValueNumberInto(VNInfo *V1, VNInfo *V2) {
   } else {
     V1->def = ~1U;
   }
+  
+  return V2;
 }
 
 void LiveInterval::Copy(const LiveInterval &RHS,