diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 8ae012b3878..9f3ad172f0e 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -9461,6 +9461,9 @@ SDValue DAGCombiner::visitSIGN_EXTEND_VECTOR_INREG(SDNode *N) { if (SDValue Res = tryToFoldExtendOfConstant(N, TLI, DAG, LegalTypes)) return Res; + if (SimplifyDemandedVectorElts(SDValue(N, 0))) + return SDValue(N, 0); + return SDValue(); } @@ -9474,6 +9477,9 @@ SDValue DAGCombiner::visitZERO_EXTEND_VECTOR_INREG(SDNode *N) { if (SDValue Res = tryToFoldExtendOfConstant(N, TLI, DAG, LegalTypes)) return Res; + if (SimplifyDemandedVectorElts(SDValue(N, 0))) + return SDValue(N, 0); + return SDValue(); } |
