Make VAARG work with x86 long double (which is
10 bytes long, but is passed in 12/16 bytes).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58608 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index e1a8096..8b607b4 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3438,9 +3438,9 @@
const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue();
SDValue VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0);
// Increment the pointer, VAList, to the next vaarg
- Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList,
- DAG.getConstant(VT.getSizeInBits()/8,
- TLI.getPointerTy()));
+ Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList,
+ DAG.getConstant(TLI.getTargetData()->getABITypeSize(VT.getTypeForMVT()),
+ TLI.getPointerTy()));
// Store the incremented VAList to the legalized pointer
Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0);
// Load the actual argument out of the pointer VAList