Fix debug info to not print out recently freed memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22529 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index b242a9c..2050115 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -671,6 +671,7 @@
       if ((TriviallyJoinable || IntB.joinable(IntA, MIDefIdx)) &&
           !overlapsAliases(&IntA, &IntB)) {
         IntB.join(IntA, MIDefIdx);
+        DEBUG(std::cerr << "Joined.  Result = " << IntB << "\n");
 
         if (!MRegisterInfo::isPhysicalRegister(regA)) {
           r2iMap_.erase(regA);
@@ -683,7 +684,6 @@
           IntA.swap(IntB);
           r2iMap_.erase(regB);
         }
-        DEBUG(std::cerr << "Joined.  Result = " << IntB << "\n");
         ++numJoins;
       } else {
         DEBUG(std::cerr << "Interference!\n");