[llvm-commits] [llvm] r160311 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp

[Nadav Rotem]

Author: nadav
Date: Mon Jul 16 13:56:39 2012
New Revision: 160311

URL: http://llvm.org/viewvc/llvm-project?rev=160311&view=rev
Log:
Minor cleanup and docs.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp?rev=160311&r1=160310&r2=160311&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp Mon Jul 16 13:56:39 2012
@@ -155,7 +155,9 @@
 SDValue DAGTypeLegalizer::ScalarizeVecRes_BUILD_VECTOR(SDNode *N) {
   EVT EltVT = N->getValueType(0).getVectorElementType();
   SDValue InOp = N->getOperand(0);
-  if (InOp.getValueType() != EltVT)
+  // The BUILD_VECTOR operands may be of wider element types and
+  // we may need to truncate them back to the requested return type.
+  if (EltVT.isInteger())
     return DAG.getNode(ISD::TRUNCATE, N->getDebugLoc(), EltVT, InOp);
   return InOp;
 }