commit 1da5867236f4132ec56493f3535c7b5830878b55
author Elena Demikhovsky <elena.demikhovsky@intel.com> Sun Apr 22 09:39:03 2012 +0000
committer Elena Demikhovsky <elena.demikhovsky@intel.com> Sun Apr 22 09:39:03 2012 +0000
tree 749e7273843006c0c1fdba101949f58cac1f0a8a
parent eb23f9e92e607990ffe986735e10a8dec713909a

ZERO_EXTEND/SIGN_EXTEND/TRUNCATE optimization for AVX2

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155309 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/DAGCombiner.cpp

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 1ed1ee7..e72c8d5 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -4520,8 +4520,10 @@
     SDValue Op = N0.getOperand(0);
     if (Op.getValueType().bitsLT(VT)) {
       Op = DAG.getNode(ISD::ANY_EXTEND, N->getDebugLoc(), VT, Op);
+      AddToWorkList(Op.getNode());
     } else if (Op.getValueType().bitsGT(VT)) {
       Op = DAG.getNode(ISD::TRUNCATE, N->getDebugLoc(), VT, Op);
+      AddToWorkList(Op.getNode());
     }
     return DAG.getZeroExtendInReg(Op, N->getDebugLoc(),
                                   N0.getValueType().getScalarType());