From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sat, 17 Oct 2015 16:49:43 +0000 (+0000)
Subject: [DAG] Ensure vector constant folding uses correct scalar undef types
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=114db87382813de635450d88dded16511aea1fda;p=oota-llvm.git

[DAG] Ensure vector constant folding uses correct scalar undef types

Minor fix to D13665 found during post-commit review.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250616 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2ff20774eae..6d613436b8f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3321,11 +3321,11 @@ SDValue SelectionDAG::FoldConstantVectorArithmetic(unsigned Opcode, SDLoc DL,
   for (unsigned i = 0; i != NumElts; i++) {
     SmallVector<SDValue, 4> ScalarOps;
     for (SDValue Op : Ops) {
-      EVT InSVT = Op->getValueType(0).getScalarType();
+      EVT InSVT = Op.getValueType().getScalarType();
       BuildVectorSDNode *InBV = dyn_cast<BuildVectorSDNode>(Op);
       if (!InBV) {
         // We've checked that this is UNDEF above.
-        ScalarOps.push_back(getUNDEF(LegalSVT));
+        ScalarOps.push_back(getUNDEF(InSVT));
         continue;
       }