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-rw-r--r--lib/CodeGen/RegAllocGreedy.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index c88bb536fd..6f4eb5baab 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -676,6 +676,7 @@ bool RAGreedy::addSplitConstraints(InterferenceCache::Cursor Intf,
Intf.moveToBlock(BC.Number);
BC.Entry = BI.LiveIn ? SpillPlacement::PrefReg : SpillPlacement::DontCare;
BC.Exit = BI.LiveOut ? SpillPlacement::PrefReg : SpillPlacement::DontCare;
+ BC.ChangesValue = BI.FirstDef;
if (!Intf.hasInterference())
continue;