add info about the inline asm register constraints for PPC


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25853 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 9f6b77b..30db16c 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -96,6 +96,10 @@
 
     virtual MachineBasicBlock *InsertAtEndOfBasicBlock(MachineInstr *MI,
                                                        MachineBasicBlock *MBB);
+    
+    std::vector<unsigned> 
+      getRegForInlineAsmConstraint(const std::string &Constraint) const;
+
   };
 }