whoops, didn't mean to remove this
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15157 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 2b1184c..6021e9e 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -549,7 +549,9 @@
LiveInterval &IntB = getInterval(regB);
assert(IntA.reg == regA && IntB.reg == regB &&
"Register mapping is horribly broken!");
-
+
+ DEBUG(std::cerr << "\t\tInspecting " << IntA << " and " << IntB << ": ");
+
// If two intervals contain a single value and are joined by a copy, it
// does not matter if the intervals overlap, they can always be joined.
bool TriviallyJoinable =