ARM byval support.  Will be enabled by another patch to the FE.  <rdar://problem/7662569>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129858 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index e37855d..cfe2cf1 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -426,6 +426,13 @@
                            DebugLoc dl, SelectionDAG &DAG,
                            SmallVectorImpl<SDValue> &InVals) const;
 
+    void VarArgStyleRegisters(CCState &CCInfo, SelectionDAG &DAG,
+                              DebugLoc dl, SDValue &Chain, unsigned ArgOffset)
+      const;
+
+    void computeRegArea(CCState &CCInfo, MachineFunction &MF,
+                        unsigned &VARegSize, unsigned &VARegSaveSize) const;
+
     virtual SDValue
       LowerCall(SDValue Chain, SDValue Callee,
                 CallingConv::ID CallConv, bool isVarArg,
@@ -437,7 +444,7 @@
                 SmallVectorImpl<SDValue> &InVals) const;
 
     /// HandleByVal - Target-specific cleanup for ByVal support.
-    virtual void HandleByVal(CCState *) const;
+    virtual void HandleByVal(CCState *, unsigned &) const;
 
     /// IsEligibleForTailCallOptimization - Check whether the call is eligible
     /// for tail call optimization. Targets which want to do tail call