Revert r129518, "Change ELF systems to use CFI for producing the EH tables. This...

[oota-llvm.git] / lib / CodeGen / SimpleRegisterCoalescing.h

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.h b/lib/CodeGen/SimpleRegisterCoalescing.h
index 6e79a40c8b2c714a1a2c3056ed8ea320b9c63003..65cf542836dd5a4c18a831def84ec730a07e79db 100644 (file)
--- 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,