Varargs is apparently currently broken on PPC.  This hacks it so that it
is at least overloading the right virtual methods.  The implementations
are currently wrong though.  This fixes Ptrdist/bc, but not other programs
(e.g. siod).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22326 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp
index eaf7b09..8f3122e 100644
--- a/lib/Target/PowerPC/PPCISelPattern.cpp
+++ b/lib/Target/PowerPC/PPCISelPattern.cpp
@@ -98,10 +98,10 @@
                 SelectionDAG &DAG);
 
     virtual std::pair<SDOperand, SDOperand>
-    LowerVAStart(SDOperand Chain, SelectionDAG &DAG);
+    LowerVAStart(SDOperand Chain, SelectionDAG &DAG, SDOperand Dest);
 
     virtual std::pair<SDOperand,SDOperand>
-    LowerVAArgNext(bool isVANext, SDOperand Chain, SDOperand VAList,
+    LowerVAArgNext(SDOperand Chain, SDOperand VAList,
                    const Type *ArgTy, SelectionDAG &DAG);
 
     virtual std::pair<SDOperand, SDOperand>
@@ -464,14 +464,19 @@
 }
 
 std::pair<SDOperand, SDOperand>
-PPC32TargetLowering::LowerVAStart(SDOperand Chain, SelectionDAG &DAG) {
+PPC32TargetLowering::LowerVAStart(SDOperand Chain, SelectionDAG &DAG, SDOperand Dest) {
   //vastart just returns the address of the VarArgsFrameIndex slot.
   return std::make_pair(DAG.getFrameIndex(VarArgsFrameIndex, MVT::i32), Chain);
 }
 
 std::pair<SDOperand,SDOperand> PPC32TargetLowering::
-LowerVAArgNext(bool isVANext, SDOperand Chain, SDOperand VAList,
+LowerVAArgNext(SDOperand Chain, SDOperand VAList,
                const Type *ArgTy, SelectionDAG &DAG) {
+  // FIXME: THIS IS BROKEN!!!
+
+  bool isVANext = true;
+  
+  
   MVT::ValueType ArgVT = getValueType(ArgTy);
   SDOperand Result;
   if (!isVANext) {