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

[WangLian via Phabricator via llvm-commits]

Jimerlife created this revision.
Jimerlife added reviewers: craig.topper, sdesmalen, frasercrmck, benshi001.
Jimerlife added a project: LLVM.
Herald added subscribers: StephenFan, hiraditya.
Herald added a project: All.
Jimerlife requested review of this revision.
Herald added subscribers: llvm-commits, jacquesguan.

Use dyn_cast<> instead of isa<> and cast<>


Repository:
  rG LLVM Github Monorepo

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 (auto * Index = dyn_cast<ConstantSDNode>(Idx)) {
+    uint64_t IdxVal = Index->getZExtValue();
 
     SDValue Lo, Hi;
     GetSplitVector(Vec, Lo, Hi);


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