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

David Sherwood via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jul 8 01:57:57 PDT 2020


This revision was automatically updated to reflect the committed changes.
Closed by commit rG9e66e9c30a19: [CodeGen] Fix wrong use of getVectorNumElements() in DAGTypeLegalizer… (authored by david-arm).

Repository:
  rG LLVM Github Monorepo

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
@@ -1778,8 +1778,7 @@
   // 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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