X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSimpleRegisterCoalescing.h;h=65cf542836dd5a4c18a831def84ec730a07e79db;hb=bcb8c6d09ee426e0f774e3412912f6ae9e5f78dd;hp=11849dfca05871068e5b9be648d43afc3123a9cc;hpb=f46aa914c8bd7995409ac7034e54c8b8c38c1888;p=oota-llvm.git

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.h b/lib/CodeGen/SimpleRegisterCoalescing.h
index 11849dfca05..65cf542836d 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.h
+++ b/lib/CodeGen/SimpleRegisterCoalescing.h
@@ -138,6 +138,9 @@ namespace llvm {
                                  unsigned DstReg, unsigned DstSubIdx,
                                  MachineInstr *CopyMI);
 
+    /// shouldJoinPhys - Return true if a physreg copy should be joined.
+    bool shouldJoinPhys(CoalescerPair &CP);
+
     /// isWinToJoinCrossClass - Return true if it's profitable to coalesce
     /// two virtual registers from different register classes.
     bool isWinToJoinCrossClass(unsigned SrcReg,
@@ -176,6 +179,9 @@ namespace llvm {
     /// cycles Start and End or NULL if there are no uses.
     MachineOperand *lastRegisterUse(SlotIndex Start, SlotIndex End,
                                     unsigned Reg, SlotIndex &LastUseIdx) const;
+
+    /// markAsJoined - Remember that CopyMI has already been joined.
+    void markAsJoined(MachineInstr *CopyMI);
   };
 
 } // End llvm namespace