Fix a bug in the expansion of EXTRACT_SUBVECTOR in

ExpandExtractFromVectorThroughStack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72351 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 4c2e1ed05ec9de901fdbe6ca18fba4abd9157203..25e43d92eae43cedcf0399f9d547f22df5992ed3 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -5091,7 +5091,8 @@ SDValue SelectionDAGLegalize::ExpandExtractFromVectorThroughStack(SDValue Op) {
   SDValue Ch = DAG.getStore(DAG.getEntryNode(), dl, Vec, StackPtr, NULL, 0);
 
   // Add the offset to the index.
-  unsigned EltSize = Op.getValueType().getSizeInBits()/8;
+  unsigned EltSize =
+      Vec.getValueType().getVectorElementType().getSizeInBits()/8;
   Idx = DAG.getNode(ISD::MUL, dl, Idx.getValueType(), Idx,
                     DAG.getConstant(EltSize, Idx.getValueType()));