[PATCH] D83197: [CodeGen] Fix warning in DAGTypeLegalizer::SplitVecRes_ExtendOp

David Sherwood via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 6 23:54:32 PDT 2020


david-arm updated this revision to Diff 275922.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83197/new/

https://reviews.llvm.org/D83197

Files:
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp


Index: llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -1767,8 +1767,7 @@
   // more effectively move in the right direction and prevent falling down
   // to scalarization in many cases due to the input vector being split too
   // far.
-  unsigned NumElements = SrcVT.getVectorNumElements();
-  if ((NumElements & 1) == 0 &&
+  if ((SrcVT.getVectorMinNumElements() & 1) == 0 &&
       SrcVT.getSizeInBits() * 2 < DestVT.getSizeInBits()) {
     LLVMContext &Ctx = *DAG.getContext();
     EVT NewSrcVT = SrcVT.widenIntegerVectorElementType(Ctx);


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