[PATCH] D131544: [LegalizeTypes][NFC] Use dyn_cast instead of isa and cast.

[WangLian via Phabricator via llvm-commits]

Jimerlife updated this revision to Diff 452073.
Jimerlife added a comment.

update and add `const` keyword


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131544/new/

https://reviews.llvm.org/D131544

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
@@ -3033,8 +3033,8 @@
   SDValue Idx = N->getOperand(1);
   EVT VecVT = Vec.getValueType();
 
-  if (isa<ConstantSDNode>(Idx)) {
-    uint64_t IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
+  if (const ConstantSDNode *Index = dyn_cast<ConstantSDNode>(Idx)) {
+    uint64_t IdxVal = Index->getZExtValue();
 
     SDValue Lo, Hi;
     GetSplitVector(Vec, Lo, Hi);


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