Offset for load of 32-bit arg in 64-bit world was incorrect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32019 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 0168c8ca0e7b544b802bd8c5d630882147daaedf..d26bfb53cd3383b47e92144c3da0d131edbe22c1 100644 (file)
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1123,6 +1123,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
     bool needsLoad = false;
     MVT::ValueType ObjectVT = Op.getValue(ArgNo).getValueType();
     unsigned ObjSize = MVT::getSizeInBits(ObjectVT)/8;
+    unsigned ArgSize = ObjSize;
 
     unsigned CurArgOffset = ArgOffset;
     switch (ObjectVT) {
@@ -1138,6 +1139,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
         ++GPR_idx;
       } else {
         needsLoad = true;
+        ArgSize = PtrByteSize;
       }
       break;
     case MVT::i64:  // PPC64
@@ -1203,7 +1205,8 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
       // If the argument is actually used, emit a load from the right stack
       // slot.
       if (!Op.Val->hasNUsesOfValue(0, ArgNo)) {
-        int FI = MFI->CreateFixedObject(ObjSize, CurArgOffset);
+        int FI = MFI->CreateFixedObject(ObjSize,
+                                        CurArgOffset + (ArgSize - ObjSize));
         SDOperand FIN = DAG.getFrameIndex(FI, PtrVT);
         ArgVal = DAG.getLoad(ObjectVT, Root, FIN, NULL, 0);
       } else {