Arguments to indirect calls were being passed incorrectly. They are not fixed to start after return value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68705 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp
index 5996d88..550ac5b 100644
--- a/lib/Target/PIC16/PIC16ISelLowering.cpp
+++ b/lib/Target/PIC16/PIC16ISelLowering.cpp
@@ -877,7 +877,10 @@
std::vector<SDValue> Ops;
SDVTList Tys = DAG.getVTList(MVT::Other, MVT::Flag);
SDValue Arg, StoreRet;
- for (unsigned i=0; i<NumOps; i++) {
+
+ // For PIC16 ABI the arguments come after the return value.
+ unsigned RetVals = TheCall->getNumRetVals();
+ for (unsigned i = 0, ArgOffset = RetVals; i < NumOps; i++) {
// Get the arguments
Arg = TheCall->getArg(i);
Ops.clear();
@@ -885,13 +888,14 @@
Ops.push_back(Arg);
Ops.push_back(DataAddr_Lo);
Ops.push_back(DataAddr_Hi);
- Ops.push_back(DAG.getConstant(i, MVT::i8));
+ Ops.push_back(DAG.getConstant(ArgOffset, MVT::i8));
Ops.push_back(InFlag);
StoreRet = DAG.getNode (PIC16ISD::PIC16StWF, dl, Tys, &Ops[0], Ops.size());
Chain = getChain(StoreRet);
InFlag = getOutFlag(StoreRet);
+ ArgOffset++;
}
return Chain;
}