Significantly improve handling of vectors that are live across basic blocks,

[oota-llvm.git] / lib / CodeGen / SelectionDAG / TargetLowering.cpp

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 922245f55355ac679223c8c2b4ace16f96915b3e..f1e36be494d8129302131f6fb99f52bcdf6bf40c 100644 (file)
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -154,7 +154,6 @@ unsigned TargetLowering::getPackedTypeBreakdown(const PackedType *PTy,
   // Figure out the right, legal destination reg to copy into.
   unsigned NumElts = PTy->getNumElements();
   MVT::ValueType EltTy = getValueType(PTy->getElementType());
-  PTyElementVT = EltTy;
   
   unsigned NumVectorRegs = 1;
   
@@ -166,10 +165,12 @@ unsigned TargetLowering::getPackedTypeBreakdown(const PackedType *PTy,
   }
   
   MVT::ValueType VT;
-  if (NumElts == 1)
+  if (NumElts == 1) {
     VT = EltTy;
-  else
-    VT = getVectorType(EltTy, NumElts);
+  } else {
+    VT = getVectorType(EltTy, NumElts); 
+  }
+  PTyElementVT = VT;
 
   MVT::ValueType DestVT = getTypeToTransformTo(VT);
   PTyLegalElementVT = DestVT;