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-rw-r--r--llvm/lib/CodeGen/Spiller.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/Spiller.h b/llvm/lib/CodeGen/Spiller.h
index e8385088102..730419b057d 100644
--- a/llvm/lib/CodeGen/Spiller.h
+++ b/llvm/lib/CodeGen/Spiller.h
@@ -14,6 +14,9 @@
namespace llvm {
struct LiveInterval;
+ class LiveIntervals;
+ class MachineFunction;
+ class VirtRegMap;
/// Spiller interface.
///
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