Revert r142579, "Fix a type in the legalization of CONCAT_VECTORS". This is

causing one of the unit tests to infinitely loop, which resulted in the
buildbots stalling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142604 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index 455307197c547b55b34905a28ae603374892aa42..a5c4c2ded4c56ef7eb00763117d2c8926615a33c 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -2926,7 +2926,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_SCALAR_TO_VECTOR(SDNode *N) {
 SDValue DAGTypeLegalizer::PromoteIntRes_CONCAT_VECTORS(SDNode *N) {
   DebugLoc dl = N->getDebugLoc();
 
-  SDValue Op0 = N->getOperand(0);
+  SDValue Op0 = N->getOperand(1);
   SDValue Op1 = N->getOperand(1);
   assert(Op0.getValueType() == Op1.getValueType() &&
          "Invalid input vector types");