Fix a couple of problems with maintaining liveness information for antidep breaking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89404 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.h b/lib/CodeGen/AggressiveAntiDepBreaker.h
index e5c9a7b..543c102 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.h
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.h
@@ -175,7 +175,9 @@
     /// return that register and all subregisters.
     void GetPassthruRegs(MachineInstr *MI, std::set<unsigned>& PassthruRegs);
 
-    void HandleLastUse(unsigned Reg, unsigned KillIdx, const char *tag);
+    void HandleLastUse(unsigned Reg, unsigned KillIdx, const char *tag,
+                       const char *header =NULL, const char *footer =NULL);
+
     void PrescanInstruction(MachineInstr *MI, unsigned Count,
                             std::set<unsigned>& PassthruRegs);
     void ScanInstruction(MachineInstr *MI, unsigned Count);