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-rw-r--r--lib/CodeGen/VirtRegMap.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h
index e5d4b220fe..da20d4ae11 100644
--- a/lib/CodeGen/VirtRegMap.h
+++ b/lib/CodeGen/VirtRegMap.h
@@ -25,6 +25,7 @@
namespace llvm {
class MachineInstr;
+ class MachineFunction;
class TargetInstrInfo;
class VirtRegMap {